v3.26.1
Loans and Allowance for Credit Losses - Allowance for Credit Losses Based on Portfolio Segment (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Allowance for loan losses [Abstract]        
Allowance for credit losses, Beginning Balance $ 86,814 $ 70,051 $ 74,875 $ 70,182
Initial allowance on acquired loans with deterioration 0   3,019  
Initial allowance on acquired purchased seasoned loans 0   7,822  
Provision (release) for credit loss expense 1,545 2,567 4,143 4,219
Loans charged off (2,517) (2,261) (4,483) (4,344)
Recoveries collected 1,147 803 1,613 1,103
Allowance for credit losses, Ending Balance 86,989 71,160 86,989 71,160
Construction and Land Development | Real Estate Loan        
Allowance for loan losses [Abstract]        
Allowance for credit losses, Beginning Balance 4,940 3,731 5,129 3,275
Initial allowance on acquired loans with deterioration 0   441  
Initial allowance on acquired purchased seasoned loans 0   545  
Provision (release) for credit loss expense 189 335 (986) 791
Loans charged off 0 0 0 0
Recoveries collected 0 0 0 0
Allowance for credit losses, Ending Balance 5,129 4,066 5,129 4,066
Agricultural | Real Estate Loan        
Allowance for loan losses [Abstract]        
Allowance for credit losses, Beginning Balance 1,415 1,292 1,283 1,361
Initial allowance on acquired loans with deterioration 0   60  
Initial allowance on acquired purchased seasoned loans 0   124  
Provision (release) for credit loss expense (30) 30 (42) (39)
Loans charged off 0 0 (40) 0
Recoveries collected 0 0 0 0
Allowance for credit losses, Ending Balance 1,385 1,322 1,385 1,322
Residential Properties | Real Estate Loan | 1-4 Family        
Allowance for loan losses [Abstract]        
Allowance for credit losses, Beginning Balance 5,943 3,544 3,753 3,579
Initial allowance on acquired loans with deterioration 0   188  
Initial allowance on acquired purchased seasoned loans 0   1,952  
Provision (release) for credit loss expense (125) (7) (242) (21)
Loans charged off (51) (55) (77) (94)
Recoveries collected 196 134 389 152
Allowance for credit losses, Ending Balance 5,963 3,616 5,963 3,616
Commercial | Real Estate Loan        
Allowance for loan losses [Abstract]        
Allowance for credit losses, Beginning Balance 41,619 32,214 35,589 32,669
Initial allowance on acquired loans with deterioration 0   1,767  
Initial allowance on acquired purchased seasoned loans 0   3,593  
Provision (release) for credit loss expense (277) 1,111 1,503 986
Loans charged off (10) (70) (1,121) (408)
Recoveries collected 29 3 30 11
Allowance for credit losses, Ending Balance 41,361 33,258 41,361 33,258
Agricultural Loans        
Allowance for loan losses [Abstract]        
Allowance for credit losses, Beginning Balance 2,663 1,649 1,401 1,957
Initial allowance on acquired loans with deterioration 0   18  
Initial allowance on acquired purchased seasoned loans 0   58  
Provision (release) for credit loss expense 1,190 1,287 2,366 2,096
Loans charged off (2,115) (1,386) (2,115) (2,503)
Recoveries collected 45 217 55 217
Allowance for credit losses, Ending Balance 1,783 1,767 1,783 1,767
Commercial and Industrial Loans        
Allowance for loan losses [Abstract]        
Allowance for credit losses, Beginning Balance 28,553 26,028 26,285 25,602
Initial allowance on acquired loans with deterioration 0   543  
Initial allowance on acquired purchased seasoned loans 0   1,361  
Provision (release) for credit loss expense 559 (203) 1,174 356
Loans charged off (19) (489) (310) (712)
Recoveries collected 716 282 756 372
Allowance for credit losses, Ending Balance 29,809 25,618 29,809 25,618
Consumer Loans        
Allowance for loan losses [Abstract]        
Allowance for credit losses, Beginning Balance 1,681 1,593 1,435 1,739
Initial allowance on acquired loans with deterioration 0   2  
Initial allowance on acquired purchased seasoned loans 0   189  
Provision (release) for credit loss expense 39 14 370 50
Loans charged off (322) (261) (820) (627)
Recoveries collected 161 167 383 351
Allowance for credit losses, Ending Balance $ 1,559 $ 1,513 $ 1,559 $ 1,513