v3.26.1
Regulatory Ratios and Capital - Narrative (Details)
$ / shares in Units, $ in Thousands
 3 Months Ended
Apr. 23, 2026
$ / shares
Mar. 31, 2026
USD ($)
$ / shares
shares
Mar. 31, 2025
USD ($)
Dec. 31, 2025
USD ($)
Dec. 12, 2025
USD ($)
Dec. 31, 2009
USD ($)
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]            
Shares repurchased   $ 75,141 $ 31,152      
Assets   $ 33,486,484   $ 31,540,274   $ 15,000,000
Subsequent Event            
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]            
Common stock, dividends, per share, cash paid (in USD per share) | $ / shares $ 0.20          
December 2025 Share Repurchase Program            
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]            
Authorized repurchase amount         $ 200,000  
Shares repurchased (in shares) | shares   770,423        
Shares repurchased   $ 75,100        
Shares repurchased, price per share (in dollars per share) | $ / shares   $ 96.82        
Basel III, Phased-In            
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]            
Tier 1 capital (to average assets) to be well capitalized under prompt corrective action provisions, ratio   0.025