v3.26.1
Regulatory Capital Requirements (Details)
$ in Thousands
Jun. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Red River Bancshares, Inc.    
Total Risk-Based Capital    
Actual amount $ 453,106 $ 430,986
Actual ratio (as a percent) 0.1876 0.1803
Regulatory requirements, minimum, amount $ 253,614 $ 250,995
Regulatory requirements, minimum, ratio (as a percent) 0.1050 0.1050
Tier I Risk-Based Capital    
Actual amount $ 427,693 $ 406,945
Actual ratio (as a percent) 0.1771 0.1702
Regulatory requirements, minimum, amount $ 205,306 $ 203,186
Regulatory requirements, minimum, ratio (as a percent) 0.0850 0.0850
Common Equity Tier I Capital    
Actual amount $ 427,693 $ 406,945
Actual ratio (as a percent) 0.1771 0.1702
Regulatory requirements, minimum, amount $ 169,076 $ 167,330
Regulatory requirements, minimum, ratio (as a percent) 0.0700 0.0700
Tier I Leverage Capital    
Actual amount $ 427,693 $ 406,945
Actual ratio (as a percent) 0.1277 0.1221
Regulatory requirements, minimum, amount $ 133,948 $ 133,321
Regulatory requirements, minimum, ratio (as a percent) 0.0400 0.0400
Red River Bank    
Total Risk-Based Capital    
Actual amount $ 443,564 $ 421,929
Actual ratio (as a percent) 0.1837 0.1766
Regulatory requirements, minimum, amount $ 253,528 $ 250,916
Regulatory requirements, minimum, ratio (as a percent) 0.1050 0.1050
Regulatory requirements, minimum plus CCB, amount $ 241,455 $ 238,968
Regulatory requirements, minimum plus CCB, ratio (as a percent) 0.1000 0.1000
Tier I Risk-Based Capital    
Actual amount $ 418,151 $ 397,888
Actual ratio (as a percent) 0.1732 0.1665
Regulatory requirements, minimum, amount $ 205,237 $ 203,123
Regulatory requirements, minimum, ratio (as a percent) 0.0850 0.0850
Regulatory requirements, minimum, amount $ 193,164 $ 191,174
Regulatory requirements, minimum, ratio (as a percent) 0.0800 0.0800
Common Equity Tier I Capital    
Actual amount $ 418,151 $ 397,888
Actual ratio (as a percent) 0.1732 0.1665
Regulatory requirements, minimum, amount $ 169,019 $ 167,277
Regulatory requirements, minimum, ratio (as a percent) 0.0700 0.0700
Regulatory requirements, minimum plus CCB, amount $ 156,946 $ 155,329
Regulatory requirements, minimum plus CCB, ratio (as a percent) 0.0650 0.0650
Tier I Leverage Capital    
Actual amount $ 418,151 $ 397,888
Actual ratio (as a percent) 0.1249 0.1194
Regulatory requirements, minimum, amount $ 133,896 $ 133,274
Regulatory requirements, minimum, ratio (as a percent) 0.0400 0.0400
Regulatory requirements, minimum plus CCB, amount $ 167,371 $ 166,593
Regulatory requirements, minimum plus CCB, ratio (as a percent) 0.0500 0.0500