v3.26.1
Average Annual Total Returns
 12 Months Ended 25 Months Ended 28 Months Ended 43 Months Ended 58 Months Ended 60 Months Ended 72 Months Ended 90 Months Ended 91 Months Ended 96 Months Ended 108 Months Ended 115 Months Ended 120 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
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Dec. 31, 2025
ALPS Sector Dividend Dogs ETF | S-Network® Sector Dividend Dogs Index (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [1]   11.41%         10.91%               10.00%
ALPS Sector Dividend Dogs ETF | S&P 500® Index (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [1],[2]   17.88%         14.42%               14.82%
ALPS Sector Dividend Dogs ETF | ALPS Sector Dividend Dogs ETF Shares                              
Prospectus [Line Items]                              
Average Annual Return, Percent   11.08%         10.52%               9.57%
ALPS Sector Dividend Dogs ETF | ALPS Sector Dividend Dogs ETF Shares | After Taxes on Distributions                              
Prospectus [Line Items]                              
Average Annual Return, Percent   10.09%         9.49%               8.58%
ALPS Sector Dividend Dogs ETF | ALPS Sector Dividend Dogs ETF Shares | After Taxes on Distributions and Sales                              
Prospectus [Line Items]                              
Average Annual Return, Percent   7.21%         8.20%               7.60%
ALPS International Sector Dividend Dogs ETF | S-Network® International Sector Dividend Dogs Index (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [3]   40.44%         13.59%               10.10%
ALPS International Sector Dividend Dogs ETF | Morningstar Developed Markets ex-North America Index (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [3],[4]   31.68%         8.47%               8.05%
ALPS International Sector Dividend Dogs ETF | ALPS International Sector Dividend Dogs ETF Shares                              
Prospectus [Line Items]                              
Average Annual Return, Percent   39.83%         13.18%               9.67%
ALPS International Sector Dividend Dogs ETF | ALPS International Sector Dividend Dogs ETF Shares | After Taxes on Distributions                              
Prospectus [Line Items]                              
Average Annual Return, Percent   38.32%         12.28%               8.81%
ALPS International Sector Dividend Dogs ETF | ALPS International Sector Dividend Dogs ETF Shares | After Taxes on Distributions and Sales                              
Prospectus [Line Items]                              
Average Annual Return, Percent   24.50%         10.56%               7.84%
ALPS Emerging Sector Dividend Dogs ETF | S-Network Emerging Sector Dividend Dogs Index* (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [5]   22.89%         7.51%               7.72%
ALPS Emerging Sector Dividend Dogs ETF | Morningstar Emerging Markets Index*,‡ (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [5],[6]   29.76%         4.76%               8.66%
ALPS Emerging Sector Dividend Dogs ETF | ALPS Emerging Sector Dividend Dogs ETF Shares                              
Prospectus [Line Items]                              
Average Annual Return, Percent   22.25%         6.91%               7.00%
ALPS Emerging Sector Dividend Dogs ETF | ALPS Emerging Sector Dividend Dogs ETF Shares | After Taxes on Distributions                              
Prospectus [Line Items]                              
Average Annual Return, Percent   20.98%         5.57%               5.92%
ALPS Emerging Sector Dividend Dogs ETF | ALPS Emerging Sector Dividend Dogs ETF Shares | After Taxes on Distributions and Sales                              
Prospectus [Line Items]                              
Average Annual Return, Percent   14.11%         5.20%               5.48%
ALPS REIT Dividend Dogs ETF | S-Network® REIT Dividend Dogs Index (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [7],[8]   1.36%         3.70%               5.16%
ALPS REIT Dividend Dogs ETF | S-Network® US Composite REIT Index (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [7],[9]   2.85%         4.76%               5.78%
ALPS REIT Dividend Dogs ETF | S-Network® REIT Dividend Dogs Index/S&P United States REIT Index (reflects no deductions for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [7],[10]   1.36%         3.70%               3.88%
ALPS REIT Dividend Dogs ETF | Bloomberg US 1000 Index (reflects no deductions for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [7],[11]   17.51%         13.47%               14.55%
ALPS REIT Dividend Dogs ETF | ALPS REIT Dividend Dogs ETF Shares                              
Prospectus [Line Items]                              
Average Annual Return, Percent   0.99%         3.30%               3.17%
ALPS REIT Dividend Dogs ETF | ALPS REIT Dividend Dogs ETF Shares | After Taxes on Distributions                              
Prospectus [Line Items]                              
Average Annual Return, Percent   (0.40%)         1.95%               1.81%
ALPS REIT Dividend Dogs ETF | ALPS REIT Dividend Dogs ETF Shares | After Taxes on Distributions and Sales                              
Prospectus [Line Items]                              
Average Annual Return, Percent   0.57%         1.96%               1.87%
Alps Equal Sector Weight ETF | NYSE® Equal Sector Weight Index (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [12]   13.33%         12.36%               12.37%
Alps Equal Sector Weight ETF | S&P 500® Index (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [12],[13]   17.88%         14.42%               14.82%
Alps Equal Sector Weight ETF | Alps Equal Sector Weight ETF Shares                              
Prospectus [Line Items]                              
Average Annual Return, Percent   13.14%         12.20%               12.20%
Alps Equal Sector Weight ETF | Alps Equal Sector Weight ETF Shares | After Taxes on Distributions                              
Prospectus [Line Items]                              
Average Annual Return, Percent   12.61%         11.65%               11.56%
Alps Equal Sector Weight ETF | Alps Equal Sector Weight ETF Shares | After Taxes on Distributions and Sales                              
Prospectus [Line Items]                              
Average Annual Return, Percent   8.04%         9.61%               9.93%
ALERIAN MLP ETF | Alerian MLP Infrastructure Index (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [14]   8.14%         25.71%               8.15%
ALERIAN MLP ETF | Alerian MLP Index* (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [14]   9.76%         25.96%               8.85%
ALERIAN MLP ETF | Bloomberg US 1000 Index (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [14],[15]   17.51%         13.47%               14.55%
ALERIAN MLP ETF | ALERIAN MLP ETF Shares                              
Prospectus [Line Items]                              
Average Annual Return, Percent   5.88%         22.43%               6.19%
ALERIAN MLP ETF | ALERIAN MLP ETF Shares | After Taxes on Distributions                              
Prospectus [Line Items]                              
Average Annual Return, Percent   4.04%         21.09%               5.42%
ALERIAN MLP ETF | ALERIAN MLP ETF Shares | After Taxes on Distributions and Sales                              
Prospectus [Line Items]                              
Average Annual Return, Percent   4.81%         18.31%               4.85%
Alerian Energy Infrastructure ETF | Alerian Midstream Energy Select Index (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [16]   6.58%         24.26%               12.70%
Alerian Energy Infrastructure ETF | Alerian MLP Index (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [16]   9.76%         25.96%               8.85%
Alerian Energy Infrastructure ETF | Bloomberg US 1000 Index (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [16],[17]   17.51%         13.47%               14.55%
Alerian Energy Infrastructure ETF | Alerian Energy Infrastructure ETF Shares                              
Prospectus [Line Items]                              
Average Annual Return, Percent   5.93%         23.38%               11.76%
Alerian Energy Infrastructure ETF | Alerian Energy Infrastructure ETF Shares | After Taxes on Distributions                              
Prospectus [Line Items]                              
Average Annual Return, Percent   5.33%         22.81%               11.14%
Alerian Energy Infrastructure ETF | Alerian Energy Infrastructure ETF Shares | After Taxes on Distributions and Sales                              
Prospectus [Line Items]                              
Average Annual Return, Percent   3.92%         19.16%               9.57%
RiverFront Strategic Income Fund | Bloomberg US Aggregate Bond Index (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [18],[19]   7.30%         (0.36%)               2.01%
RiverFront Strategic Income Fund | RiverFront Strategic Income Fund Shares                              
Prospectus [Line Items]                              
Average Annual Return, Percent   6.84%         2.23%               3.52%
RiverFront Strategic Income Fund | RiverFront Strategic Income Fund Shares | After Taxes on Distributions                              
Prospectus [Line Items]                              
Average Annual Return, Percent   4.76%         0.74%               1.88%
RiverFront Strategic Income Fund | RiverFront Strategic Income Fund Shares | After Taxes on Distributions and Sales                              
Prospectus [Line Items]                              
Average Annual Return, Percent   4.02%         1.05%               1.97%
ALPS Dynamic Core Income ETF | Bloomberg US Aggregate Bond Index (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [20],[21]   7.30%         (0.36%)             1.63%  
Performance Inception Date Jun. 13, 2016                            
ALPS Dynamic Core Income ETF | ALPS Dynamic Core Income ETF Shares                              
Prospectus [Line Items]                              
Average Annual Return, Percent   6.69%         0.74%             2.00%  
Performance Inception Date Jun. 13, 2016                            
ALPS Dynamic Core Income ETF | ALPS Dynamic Core Income ETF Shares | After Taxes on Distributions                              
Prospectus [Line Items]                              
Average Annual Return, Percent   4.72%         (0.68%)             0.78%  
Performance Inception Date Jun. 13, 2016                            
ALPS Dynamic Core Income ETF | ALPS Dynamic Core Income ETF Shares | After Taxes on Distributions and Sales                              
Prospectus [Line Items]                              
Average Annual Return, Percent   3.93%         (0.03%)             1.01%  
Performance Inception Date Jun. 13, 2016                            
ALPS Dynamic US Dividend Advantage ETF | S&P 500 Index (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [22],[23]   17.88%           14.42%         15.04%    
Performance Inception Date Jun. 06, 2016                            
ALPS Dynamic US Dividend Advantage ETF | ALPS Dynamic US Dividend Advantage ETF Shares                              
Prospectus [Line Items]                              
Average Annual Return, Percent   16.28%           13.45%         12.68%    
Performance Inception Date Jun. 06, 2016                            
ALPS Dynamic US Dividend Advantage ETF | ALPS Dynamic US Dividend Advantage ETF Shares | After Taxes on Distributions                              
Prospectus [Line Items]                              
Average Annual Return, Percent   15.66%           12.73%         12.01%    
Performance Inception Date Jun. 06, 2016                            
ALPS Dynamic US Dividend Advantage ETF | ALPS Dynamic US Dividend Advantage ETF Shares | After Taxes on Distributions and Sales                              
Prospectus [Line Items]                              
Average Annual Return, Percent   9.93%           10.58%         10.32%    
Performance Inception Date Jun. 06, 2016                            
ALPS Active Equity Opportunity ETF | S&P Composite 1500® Index (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [24]   17.02%         13.96%           14.61%    
Performance Inception Date Jun. 06, 2016                            
ALPS Active Equity Opportunity ETF | Bloomberg US 1000 Index (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [24],[25]   17.51%         13.47%           14.75%    
Performance Inception Date Jun. 06, 2016                            
ALPS Active Equity Opportunity ETF | ALPS Active Equity Opportunity ETF Shares                              
Prospectus [Line Items]                              
Average Annual Return, Percent   16.82%         12.48%           12.13%    
Performance Inception Date Jun. 06, 2016                            
ALPS Active Equity Opportunity ETF | ALPS Active Equity Opportunity ETF Shares | After Taxes on Distributions                              
Prospectus [Line Items]                              
Average Annual Return, Percent   16.59%         12.18%           11.79%    
Performance Inception Date Jun. 06, 2016                            
ALPS Active Equity Opportunity ETF | ALPS Active Equity Opportunity ETF Shares | After Taxes on Distributions and Sales                              
Prospectus [Line Items]                              
Average Annual Return, Percent   10.10%         9.91%           9.98%    
Performance Inception Date Jun. 06, 2016                            
Barron's 400 ETF | Barron’s 400 Index SM (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [26]   14.31%         12.39%               12.30%
Barron's 400 ETF | Bloomberg US 1000 Index (reflects no deductions for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [26],[27]   17.51%         13.47%               14.55%
Barron's 400 ETF | Barron's 400 ETF Shares                              
Prospectus [Line Items]                              
Average Annual Return, Percent   13.75%         11.71%               11.60%
Barron's 400 ETF | Barron's 400 ETF Shares | After Taxes on Distributions                              
Prospectus [Line Items]                              
Average Annual Return, Percent   13.60%         11.44%               11.36%
Barron's 400 ETF | Barron's 400 ETF Shares | After Taxes on Distributions and Sales                              
Prospectus [Line Items]                              
Average Annual Return, Percent   8.26%         9.30%               9.61%
ALPS Medical Breakthroughs ETF | S-Network® Medical Breakthroughs Index (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [28]   53.92%         0.99%               6.06%
ALPS Medical Breakthroughs ETF | NASDAQ Biotechnology Index (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [28]   33.43%         4.52%               5.57%
ALPS Medical Breakthroughs ETF | Bloomberg US 1000 Index (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [28],[29]   17.51%         13.47%               14.55%
ALPS Medical Breakthroughs ETF | ALPS Medical Breakthroughs ETF Shares                              
Prospectus [Line Items]                              
Average Annual Return, Percent   54.24%         0.67%               5.74%
ALPS Medical Breakthroughs ETF | ALPS Medical Breakthroughs ETF Shares | After Taxes on Distributions                              
Prospectus [Line Items]                              
Average Annual Return, Percent   54.24%         0.38%               5.40%
ALPS Medical Breakthroughs ETF | ALPS Medical Breakthroughs ETF Shares | After Taxes on Distributions and Sales                              
Prospectus [Line Items]                              
Average Annual Return, Percent   32.11%         0.35%               4.40%
ALPS DISRUPTIVE TECHNOLOGIES ETF | Indxx Disruptive Technologies Index (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [30]   7.08%         1.58%       9.24%        
Performance Inception Date Dec. 28, 2017                            
ALPS DISRUPTIVE TECHNOLOGIES ETF | Morningstar Global Markets Index (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [30],[31]   22.13%         10.68%       10.31%        
Performance Inception Date Dec. 28, 2017                            
ALPS DISRUPTIVE TECHNOLOGIES ETF | ALPS DISRUPTIVE TECHNOLOGIES ETF Shares                              
Prospectus [Line Items]                              
Average Annual Return, Percent   6.78%         1.24%       8.91%        
Performance Inception Date Dec. 28, 2017                            
ALPS DISRUPTIVE TECHNOLOGIES ETF | ALPS DISRUPTIVE TECHNOLOGIES ETF Shares | After Taxes on Distributions                              
Prospectus [Line Items]                              
Average Annual Return, Percent   6.77%         1.19%       8.83%        
Performance Inception Date Dec. 28, 2017                            
ALPS DISRUPTIVE TECHNOLOGIES ETF | ALPS DISRUPTIVE TECHNOLOGIES ETF Shares | After Taxes on Distributions and Sales                              
Prospectus [Line Items]                              
Average Annual Return, Percent   4.02%         0.95%       7.20%        
Performance Inception Date Dec. 28, 2017                            
ALPS Clean Energy ETF | CIBC Atlas Clean Energy Index (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [32]   25.77%         (15.73%)   4.92%            
Performance Inception Date Jun. 28, 2018                            
ALPS Clean Energy ETF | S&P 1000 Index (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [32]   7.04%         8.57%   8.28%            
Performance Inception Date Jun. 28, 2018                            
ALPS Clean Energy ETF | Bloomberg US 1000 Index (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [32],[33]   17.51%         13.47%   14.54%            
Performance Inception Date Jun. 28, 2018                            
ALPS Clean Energy ETF | ALPS Clean Energy ETF Shares                              
Prospectus [Line Items]                              
Average Annual Return, Percent   25.78%         (15.69%)   4.71%            
Performance Inception Date Jun. 28, 2018                            
ALPS Clean Energy ETF | ALPS Clean Energy ETF Shares | After Taxes on Distributions                              
Prospectus [Line Items]                              
Average Annual Return, Percent   25.56%         (15.84%)   4.53%            
Performance Inception Date Jun. 28, 2018                            
ALPS Clean Energy ETF | ALPS Clean Energy ETF Shares | After Taxes on Distributions and Sales                              
Prospectus [Line Items]                              
Average Annual Return, Percent   15.30%         (10.88%)   3.68%            
Performance Inception Date Jun. 28, 2018                            
ALPS Active REIT ETF | S&P United States REIT Index (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [34]   3.01%       5.60%                  
Performance Inception Date Feb. 25, 2021                            
ALPS Active REIT ETF | Bloomberg US 1000 Index (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [34],[35]   17.51%       13.34%                  
Performance Inception Date Feb. 25, 2021                            
ALPS Active REIT ETF | ALPS Active REIT ETF Shares                              
Prospectus [Line Items]                              
Average Annual Return, Percent   (0.68%)       5.01%                  
Performance Inception Date Feb. 25, 2021                            
ALPS Active REIT ETF | ALPS Active REIT ETF Shares | After Taxes on Distributions                              
Prospectus [Line Items]                              
Average Annual Return, Percent   (1.72%)       3.67%                  
Performance Inception Date Feb. 25, 2021                            
ALPS Active REIT ETF | ALPS Active REIT ETF Shares | After Taxes on Distributions and Sales                              
Prospectus [Line Items]                              
Average Annual Return, Percent   (0.40%)       3.30%                  
Performance Inception Date Feb. 25, 2021                            
ALPS | Smith Core Plus Bond ETF | Bloomberg US Aggregate Bond Index (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [36],[37]   7.30% 5.40%                        
Performance Inception Date Dec. 05, 2023                            
ALPS | Smith Core Plus Bond ETF | ALPS | Smith Core Plus Bond ETF Shares                              
Prospectus [Line Items]                              
Average Annual Return, Percent   7.07% 6.59%                        
Performance Inception Date Dec. 05, 2023                            
ALPS | Smith Core Plus Bond ETF | ALPS | Smith Core Plus Bond ETF Shares | After Taxes on Distributions                              
Prospectus [Line Items]                              
Average Annual Return, Percent   5.12% 4.66%                        
Performance Inception Date Dec. 05, 2023                            
ALPS | Smith Core Plus Bond ETF | ALPS | Smith Core Plus Bond ETF Shares | After Taxes on Distributions and Sales                              
Prospectus [Line Items]                              
Average Annual Return, Percent   4.15% 4.21%                        
Performance Inception Date Dec. 05, 2023                            
Level Four Large Cap Growth Active ETF | Bloomberg US 1000 Growth Index (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [38]   17.93%   24.73%                      
Performance Inception Date Aug. 22, 2023                            
Level Four Large Cap Growth Active ETF | Bloomberg US 1000 Index (reflects no deduction for fees, expenses or taxes)                               
Prospectus [Line Items]                              
Average Annual Return, Percent [38],[39]   17.51%   22.18%                      
Performance Inception Date Aug. 22, 2023                            
Level Four Large Cap Growth Active ETF | Level Four Large Cap Growth Active ETF Shares                              
Prospectus [Line Items]                              
Average Annual Return, Percent   18.12%   23.84%                      
Performance Inception Date Aug. 22, 2023                            
Level Four Large Cap Growth Active ETF | Level Four Large Cap Growth Active ETF Shares | After Taxes on Distributions                              
Prospectus [Line Items]                              
Average Annual Return, Percent   18.02%   23.71%                      
Performance Inception Date Aug. 22, 2023                            
Level Four Large Cap Growth Active ETF | Level Four Large Cap Growth Active ETF Shares | After Taxes on Distributions and Sales                              
Prospectus [Line Items]                              
Average Annual Return, Percent   10.78%   18.73%                      
Performance Inception Date Aug. 22, 2023                            
ALPS | BBH Intermediate Municipal Bond ETF | Bloomberg Municipal Bond 1-15 Year Blend Index (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [40]   5.18%     3.81%                    
Performance Inception Date May 19, 2022                            
ALPS | BBH Intermediate Municipal Bond ETF | Bloomberg Municipal Bond Index (reflects no deduction for fees, expenses or taxes)                              
Prospectus [Line Items]                              
Average Annual Return, Percent [40],[41]   4.25%     3.81%                    
Performance Inception Date May 19, 2022                            
ALPS | BBH Intermediate Municipal Bond ETF | ALPS | BBH Intermediate Municipal Bond ETF Shares                              
Prospectus [Line Items]                              
Average Annual Return, Percent   5.42%     4.75%                    
Performance Inception Date May 19, 2022                            
ALPS | BBH Intermediate Municipal Bond ETF | ALPS | BBH Intermediate Municipal Bond ETF Shares | After Taxes on Distributions                              
Prospectus [Line Items]                              
Average Annual Return, Percent   5.13%     4.33%                    
Performance Inception Date May 19, 2022                            
ALPS | BBH Intermediate Municipal Bond ETF | ALPS | BBH Intermediate Municipal Bond ETF Shares | After Taxes on Distributions and Sales                              
Prospectus [Line Items]                              
Average Annual Return, Percent   4.32%     4.09%                    
Performance Inception Date May 19, 2022                            
ALPS | O'Shares U.S. Quality Dividend ETF | O’Shares U.S. Quality Dividend Index                              
Prospectus [Line Items]                              
Average Annual Return, Percent [42],[43]   10.87%         10.98%               11.57%
ALPS | O'Shares U.S. Quality Dividend ETF | Morningstar US Large-Mid Cap Broad Value Index                              
Prospectus [Line Items]                              
Average Annual Return, Percent [42]   18.83%         13.38%               12.50%
ALPS | O'Shares U.S. Quality Dividend ETF | Bloomberg US 1000 Index                              
Prospectus [Line Items]                              
Average Annual Return, Percent [42],[44]   17.51%         13.47%               14.55%
ALPS | O'Shares U.S. Quality Dividend ETF | ALPS | O'Shares U.S. Quality Dividend ETF Shares                              
Prospectus [Line Items]                              
Average Annual Return, Percent   10.31%         10.42%               11.01%
ALPS | O'Shares U.S. Quality Dividend ETF | ALPS | O'Shares U.S. Quality Dividend ETF Shares | After Taxes on Distributions                              
Prospectus [Line Items]                              
Average Annual Return, Percent   9.92%         9.97%               10.21%
ALPS | O'Shares U.S. Quality Dividend ETF | ALPS | O'Shares U.S. Quality Dividend ETF Shares | After Taxes on Distributions and Sales                              
Prospectus [Line Items]                              
Average Annual Return, Percent   6.35%         8.19%               8.72%
ALPS | O'Shares U.S. Small-Cap Quality Dividend ETF | O’Shares U.S. Small-Cap Quality Dividend Index                              
Prospectus [Line Items]                              
Average Annual Return, Percent [45],[46]   2.65%         9.55%         9.11%      
Performance Inception Date Dec. 30, 2016                            
ALPS | O'Shares U.S. Small-Cap Quality Dividend ETF | Morningstar US Small-Cap Broad Value Extended Index                              
Prospectus [Line Items]                              
Average Annual Return, Percent [45]   10.48%         10.32%         7.57%      
Performance Inception Date Dec. 30, 2016                            
ALPS | O'Shares U.S. Small-Cap Quality Dividend ETF | Bloomberg US 1000 Index                              
Prospectus [Line Items]                              
Average Annual Return, Percent [45],[47]   17.51%         13.47%         14.77%      
Performance Inception Date Dec. 30, 2016                            
ALPS | O'Shares U.S. Small-Cap Quality Dividend ETF | ALPS | O'Shares U.S. Small-Cap Quality Dividend ETF Shares                              
Prospectus [Line Items]                              
Average Annual Return, Percent   2.16%         9.02%         8.57%      
Performance Inception Date Dec. 30, 2016                            
ALPS | O'Shares U.S. Small-Cap Quality Dividend ETF | ALPS | O'Shares U.S. Small-Cap Quality Dividend ETF Shares | After Taxes on Distributions                              
Prospectus [Line Items]                              
Average Annual Return, Percent   1.62%         8.55%         7.86%      
Performance Inception Date Dec. 30, 2016                            
ALPS | O'Shares U.S. Small-Cap Quality Dividend ETF | ALPS | O'Shares U.S. Small-Cap Quality Dividend ETF Shares | After Taxes on Distributions and Sales                              
Prospectus [Line Items]                              
Average Annual Return, Percent   1.61%         7.07%         6.65%      
Performance Inception Date Dec. 30, 2016                            
ALPS | O'Shares Global Internet Giants ETF | O’Shares Global Internet Giants Index                              
Prospectus [Line Items]                              
Average Annual Return, Percent [48]   15.23%         (0.09%)     10.92%          
Performance Inception Date Jun. 05, 2018                            
ALPS | O'Shares Global Internet Giants ETF | NASDAQ 100 Index                              
Prospectus [Line Items]                              
Average Annual Return, Percent [48]   21.02%         15.30%     19.15%          
Performance Inception Date Jun. 05, 2018                            
ALPS | O'Shares Global Internet Giants ETF | Bloomberg US 1000 Index                              
Prospectus [Line Items]                              
Average Annual Return, Percent [48],[49]   17.51%         13.47%     14.26%          
Performance Inception Date Jun. 05, 2018                            
ALPS | O'Shares Global Internet Giants ETF | ALPS | O'Shares Global Internet Giants ETF Shares                              
Prospectus [Line Items]                              
Average Annual Return, Percent   14.66%         (0.58%)     10.35%          
Performance Inception Date Jun. 05, 2018                            
ALPS | O'Shares Global Internet Giants ETF | ALPS | O'Shares Global Internet Giants ETF Shares | After Taxes on Distributions                              
Prospectus [Line Items]                              
Average Annual Return, Percent   14.64%         (0.59%)     10.34%          
Performance Inception Date Jun. 05, 2018                            
ALPS | O'Shares Global Internet Giants ETF | ALPS | O'Shares Global Internet Giants ETF Shares | After Taxes on Distributions and Sales                              
Prospectus [Line Items]                              
Average Annual Return, Percent   8.69%         (0.44%)     8.42%          
Performance Inception Date Jun. 05, 2018                            
ALPS | O'Shares International Developed Quality Dividend ETF | O’Shares International Developed Quality Dividend Index                              
Prospectus [Line Items]                              
Average Annual Return, Percent [50],[51]   24.09%         9.73%               7.57%
ALPS | O'Shares International Developed Quality Dividend ETF | Bloomberg Developed Markets ex US Large, Mid & Small Cap Index                              
Prospectus [Line Items]                              
Average Annual Return, Percent [50],[52]   32.30%         9.09%               8.50%
ALPS | O'Shares International Developed Quality Dividend ETF | Morningstar Europe Index                              
Prospectus [Line Items]                              
Average Annual Return, Percent [53],[54]   36.29%         10.07%               8.99%
ALPS | O'Shares International Developed Quality Dividend ETF | ALPS | O'Shares International Developed Quality Dividend ETF Shares                              
Prospectus [Line Items]                              
Average Annual Return, Percent   23.72%         9.30%               7.08%
ALPS | O'Shares International Developed Quality Dividend ETF | ALPS | O'Shares International Developed Quality Dividend ETF Shares | After Taxes on Distributions                              
Prospectus [Line Items]                              
Average Annual Return, Percent   23.27%         8.78%               6.09%
ALPS | O'Shares International Developed Quality Dividend ETF | ALPS | O'Shares International Developed Quality Dividend ETF Shares | After Taxes on Distributions and Sales                              
Prospectus [Line Items]                              
Average Annual Return, Percent   14.58%         7.45%               5.32%
[1] Index performance shown in the table is the total return, which assumes reinvestment of any dividends and distributions during the time periods shown.
[2] Broad-based securities market index.
[3] Index performance shown in the table is the net total return. The net total return is obtained by reinvesting the net dividend, which is equal to the ordinary gross dividend minus the amount of withholding tax.
[4] Broad-based securities market index.
[5] Index performance shown in the table is the net total return. The net total return is obtained by reinvesting the net dividend, which is equal to the ordinary gross dividend minus the amount of withholding tax.
[6] Broad-based securities market index.
[7] Index performance shown in the table is the total return, which assumes reinvestment of any dividends and distributions during the time periods shown.
[8] The Index commenced operations on October 29, 2019.
[9] The Index commenced operations on February 12, 2016.
[10] The performance shown reflects a combination of the Fund’s current Underlying Index and, for periods prior to January 2, 2020, the S&P United States REIT Index. Prior to January 2, 2020, the Fund used a different Underlying Index than the S&P United States REIT Index. Therefore, the historical returns shown for the periods prior to January 2, 2020, are not necessarily indicative of the historical strategy of the Fund.
[11] Broad-based securities market index.
[12] Index performance shown in the table is the total return, which assumes reinvestment of any dividends and distributions during the time periods shown.
[13] Broad-based securities market index.
[14] Index performance shown in the table is the total return, which assumes reinvestment of any dividends and distributions during the time periods shown.
[15] Broad-based securities market index.
[16] Index performance shown in the table is the total return, which assumes reinvestment of any dividends and distributions during the time periods shown.
[17] Broad-based securities market index.
[18] Broad-based securities market index.
[19] Index performance shown in the table is the total return, which assumes reinvestment of any dividends and distributions during the time periods shown.
[20] Broad-based securities market index.
[21] Index performance shown in the table is the total return, which assumes reinvestment of any dividends and distributions during the time periods shown.
[22] Broad-based securities market index.
[23] Index performance shown in the table is the total return, which assumes reinvestment of any dividends and distributions during the time periods shown.
[24] Index performance shown in the table is the total return, which assumes reinvestment of any dividends and distributions during the time periods shown.
[25] Broad-based securities market index.
[26] Index performance shown in the table is the total return, which assumes reinvestment of any dividends and distributions during the time periods shown.
[27] Broad-based securities market index.
[28] Index performance shown in the table is the total return, which assumes reinvestment of any dividends and distributions during the time periods shown.
[29] Broad-based securities market index.
[30] Index performance shown in the table is the net total return. The net total return is obtained by reinvesting the net dividend, which is equal to the ordinary gross dividend minus the amount of withholding tax.
[31] Broad-based securities market index.
[32] Index performance shown in the table is the total return, which assumes reinvestment of any dividends and distributions during the time periods shown.
[33] Broad-based securities market index.
[34] Index performance shown in the table is the total return, which assumes reinvestment of any dividends and distributions during the time periods shown.
[35] Broad-based securities market index.
[36] Broad-based securities market index.
[37] Index performance shown in the table is the total return, which assumes reinvestment of any dividends and distributions during the time periods shown.
[38] Index performance shown in the table is the total return, which assumes reinvestment of any dividends and distributions during the time periods shown.
[39] Broad-based securities market index.
[40] Index performance shown in the table is the total return, which assumes reinvestment of any dividends and distributions during the time periods shown.
[41] Broad-based securities market index.
[42] Index performance shown in the table is total return, which assumes reinvestment of any dividends and distributions during the time periods shown.
[43] The O’Shares U.S. Quality Dividend Index performance information reflects the blended performance of the FTSE USA Qual/Vol/Yield Factor 5% Capped Index through May 31, 2020 and the O’Shares U.S. Quality Dividend Index thereafter.
[44] Broad-based securities market index.
[45] Index performance shown in the table is total return, which assumes reinvestment of any dividends and distributions during the time periods shown.
[46] O’Shares U.S. Small-Cap Quality Dividend Index performance information reflects the blended performance of the FTSE USA Small Cap Qual/Vol/Yield 3% Capped Factor Index through May 3, 2018, the FTSE USA Small Cap ex Real Estate 2Qual/Vol/Yield 3% Capped Factor Index from May 4, 2018 through May 31, 2020 and the O’Shares U.S. Small-Cap Quality Dividend Index thereafter.
[47] Broad-based securities market index.
[48] Index performance shown in the table is total return, which assumes reinvestment of any dividends and distributions during the time periods shown.
[49] Broad-based securities market index.
[50] Index performance shown in the table is net total return. The net total return is obtained by reinvesting the net dividend, which is equal to the ordinary gross dividend minus the amount of withholding tax.
[51] The O’Shares International Developed Quality Dividend Index performance information reflects the blended performance of the FTSE Developed Europe Qual/Vol/Yield 5% Capped Factor Index through May 31, 2020, the O’Shares Europe Quality Dividend Index through September 30, 2025, and O’Shares International Developed Quality Dividend Index thereafter.
[52] Broad-based securities market index of the Fund beginning October 1, 2025.
[53] Broad-based securities market index of the Fund through September 30, 2025.
[54] Index performance shown in the table is total return, which assumes reinvestment of any dividends and distributions during the time periods shown.