v3.26.1
Allowance for Credit Losses - Recorded Investment of Commercial Loan Portfolio by Risk Category (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Analysis of risk category of loans by class of loans      
Threshold period of loans past due to be considered as substandard 90 days    
Minimum outstanding balance of non-homogeneous loans to be individually evaluated as to credit risk $ 250    
Current year 112,444   $ 422,989
Prior year 465,496   448,390
Two years before current year 479,630   266,301
Three years before current year 272,236   427,076
Four years before current year 435,338   357,624
Prior 884,577   552,346
Revolving Loans 248,639   230,987
Total loans 2,898,360   2,705,713
Current period gross charge offs, Total 2,945 $ 3,241  
Commercial & Industrial | Commercial      
Analysis of risk category of loans by class of loans      
Current year 35,624   111,066
Prior year 77,459   76,438
Two years before current year 70,834   32,244
Three years before current year 30,557   91,576
Four years before current year 89,517   77,603
Prior 171,246   110,544
Revolving Loans 169,403   147,271
Total loans 644,640   646,742
Current period gross charge offs, 2025     81
Current period gross charge offs, 2024     52
Current period gross charge offs, 2022     86
Current period gross charge offs, 2021     56
Current period gross charge offs, Prior 1   219
Current period gross charge offs, Total 1   494
Farmland | Commercial      
Analysis of risk category of loans by class of loans      
Current year 3,962   15,852
Prior year 20,007   10,199
Two years before current year 10,945   18,948
Three years before current year 18,152   14,137
Four years before current year 14,383   15,774
Prior 64,196   50,581
Revolving Loans 315   365
Total loans 131,960   125,856
Non Farm, Non Residential | Commercial      
Analysis of risk category of loans by class of loans      
Current year 41,575   156,729
Prior year 194,778   166,305
Two years before current year 209,903   90,074
Three years before current year 123,729   156,731
Four years before current year 176,939   154,624
Prior 407,298   176,193
Revolving Loans 11,995   9,680
Total loans 1,166,217   910,336
Current period gross charge offs, 2022     33
Current period gross charge offs, Prior     11
Current period gross charge offs, Total     44
Agriculture | Commercial      
Analysis of risk category of loans by class of loans      
Current year 1,813   13,729
Prior year 9,543   10,425
Two years before current year 10,046   6,241
Three years before current year 5,809   7,485
Four years before current year 6,699   3,219
Prior 25,763   32,558
Revolving Loans 58,848   65,141
Total loans 118,521   138,798
Current period gross charge offs, 2024     4
Current period gross charge offs, Prior     83
Current period gross charge offs, Total     87
All Other Commercial | Commercial      
Analysis of risk category of loans by class of loans      
Current year 19,711   95,456
Prior year 109,669   88,430
Two years before current year 43,050   62,856
Three years before current year 13,240   90,108
Four years before current year 66,380   71,275
Prior 89,758   137,501
Revolving Loans 7,843   7,986
Total loans 349,651   553,612
Current period gross charge offs, 2025 173   728
Current period gross charge offs, Total 173   728
Multifamily | Residential      
Analysis of risk category of loans by class of loans      
Current year 9,759   30,157
Prior year 54,040   96,593
Two years before current year 134,852   55,938
Three years before current year 80,749   67,039
Four years before current year 81,420   35,129
Prior 126,316   44,969
Revolving Loans 235   544
Total loans 487,371   330,369
Pass      
Analysis of risk category of loans by class of loans      
Current year 102,979   420,680
Prior year 460,936   430,599
Two years before current year 466,666   264,067
Three years before current year 270,159   408,916
Four years before current year 415,753   333,812
Prior 837,535   521,403
Revolving Loans 235,290   216,018
Total loans 2,789,318   2,595,495
Pass | Commercial & Industrial | Commercial      
Analysis of risk category of loans by class of loans      
Current year 32,340   109,471
Prior year 73,976   69,074
Two years before current year 68,693   31,396
Three years before current year 29,830   89,638
Four years before current year 87,896   70,630
Prior 158,351   99,985
Revolving Loans 161,619   140,465
Total loans 612,705   610,659
Pass | Farmland | Commercial      
Analysis of risk category of loans by class of loans      
Current year 3,962   15,852
Prior year 19,258   9,054
Two years before current year 9,588   17,769
Three years before current year 17,674   14,137
Four years before current year 14,254   15,774
Prior 61,932   49,862
Revolving Loans 315   365
Total loans 126,983   122,813
Pass | Non Farm, Non Residential | Commercial      
Analysis of risk category of loans by class of loans      
Current year 41,575   156,729
Prior year 194,778   157,955
Two years before current year 201,574   90,074
Three years before current year 123,729   153,861
Four years before current year 174,132   138,925
Prior 384,102   170,080
Revolving Loans 11,995   9,680
Total loans 1,131,885   877,304
Pass | Agriculture | Commercial      
Analysis of risk category of loans by class of loans      
Current year 1,813   13,315
Prior year 9,515   10,053
Two years before current year 9,470   6,034
Three years before current year 4,937   6,428
Four years before current year 3,832   3,040
Prior 19,694   27,137
Revolving Loans 53,283   56,978
Total loans 102,544   122,985
Pass | All Other Commercial | Commercial      
Analysis of risk category of loans by class of loans      
Current year 19,711   95,156
Prior year 109,369   87,870
Two years before current year 42,489   62,856
Three years before current year 13,240   90,093
Four years before current year 66,376   70,734
Prior 88,845   136,922
Revolving Loans 7,843   7,986
Total loans 347,873   551,617
Pass | Multifamily | Residential      
Analysis of risk category of loans by class of loans      
Current year 3,578   30,157
Prior year 54,040   96,593
Two years before current year 134,852   55,938
Three years before current year 80,749   54,759
Four years before current year 69,263   34,709
Prior 124,611   37,417
Revolving Loans 235   544
Total loans 467,328   310,117
Special Mention      
Analysis of risk category of loans by class of loans      
Current year 9,313   685
Prior year 3,028   16,431
Two years before current year 11,680   1,003
Three years before current year 1,431   15,080
Four years before current year 16,108   5,488
Prior 10,047   13,208
Revolving Loans 7,010   6,901
Total loans 58,617   58,796
Special Mention | Commercial & Industrial | Commercial      
Analysis of risk category of loans by class of loans      
Current year 3,132    
Prior year 1,979   6,292
Two years before current year 1,154   302
Three years before current year 277   1,145
Four years before current year 413   5,347
Prior 4,784   3,769
Revolving Loans 3,243   2,603
Total loans 14,982   19,458
Special Mention | Farmland | Commercial      
Analysis of risk category of loans by class of loans      
Prior year 749   1,145
Two years before current year 1,357   701
Three years before current year 478    
Four years before current year 81    
Prior 1,978   87
Total loans 4,643   1,933
Special Mention | Non Farm, Non Residential | Commercial      
Analysis of risk category of loans by class of loans      
Prior year     8,350
Two years before current year 8,329    
Three years before current year     946
Four years before current year 900    
Prior 2,114   2,034
Total loans 11,343   11,330
Special Mention | Agriculture | Commercial      
Analysis of risk category of loans by class of loans      
Current year     385
Prior year     84
Two years before current year 279    
Three years before current year 676   914
Four years before current year 2,758   141
Prior 1,102   999
Revolving Loans 3,767   4,298
Total loans 8,582   6,821
Special Mention | All Other Commercial | Commercial      
Analysis of risk category of loans by class of loans      
Current year     300
Prior year 300   560
Two years before current year 561    
Total loans 861   860
Special Mention | Multifamily | Residential      
Analysis of risk category of loans by class of loans      
Current year 6,181    
Three years before current year     12,075
Four years before current year 11,956    
Prior 69   6,319
Total loans 18,206   18,394
Substandard      
Analysis of risk category of loans by class of loans      
Current year     29
Prior year 127   298
Two years before current year 311   717
Three years before current year 221   2,775
Four years before current year 3,272   17,768
Prior 34,630   15,660
Revolving Loans 6,339   8,068
Total loans 44,900   45,315
Substandard | Commercial & Industrial | Commercial      
Analysis of risk category of loans by class of loans      
Prior year 99   11
Two years before current year 15   32
Three years before current year 25   504
Four years before current year 1,007   1,511
Prior 7,981   6,737
Revolving Loans 4,541   4,203
Total loans 13,668   12,998
Substandard | Farmland | Commercial      
Analysis of risk category of loans by class of loans      
Two years before current year     478
Four years before current year 48    
Prior 280   626
Total loans 328   1,104
Substandard | Non Farm, Non Residential | Commercial      
Analysis of risk category of loans by class of loans      
Three years before current year     1,924
Four years before current year 1,907   15,699
Prior 20,381   3,382
Total loans 22,288   21,005
Substandard | Agriculture | Commercial      
Analysis of risk category of loans by class of loans      
Current year     29
Prior year 28   287
Two years before current year 296   207
Three years before current year 196   142
Four years before current year 109   17
Prior 4,967   4,422
Revolving Loans 1,798   3,865
Total loans 7,394   8,969
Substandard | All Other Commercial | Commercial      
Analysis of risk category of loans by class of loans      
Four years before current year     541
Prior 743   213
Total loans 743   754
Substandard | Multifamily | Residential      
Analysis of risk category of loans by class of loans      
Three years before current year     205
Four years before current year 201    
Prior 278   280
Total loans 479   485
Not Rated      
Analysis of risk category of loans by class of loans      
Current year 152   1,595
Prior year 1,405   1,062
Two years before current year 973   514
Three years before current year 425   305
Four years before current year 205   556
Prior 2,365   2,075
Total loans 5,525   6,107
Not Rated | Commercial & Industrial | Commercial      
Analysis of risk category of loans by class of loans      
Current year 152   1,595
Prior year 1,405   1,061
Two years before current year 972   514
Three years before current year 425   289
Four years before current year 201   115
Prior 130   53
Total loans 3,285   3,627
Not Rated | Farmland | Commercial      
Analysis of risk category of loans by class of loans      
Prior 6   6
Total loans 6   6
Not Rated | Non Farm, Non Residential | Commercial      
Analysis of risk category of loans by class of loans      
Prior 701   697
Total loans 701   697
Not Rated | Agriculture | Commercial      
Analysis of risk category of loans by class of loans      
Prior year     1
Two years before current year 1    
Three years before current year     1
Four years before current year     21
Total loans 1   23
Not Rated | All Other Commercial | Commercial      
Analysis of risk category of loans by class of loans      
Three years before current year     15
Four years before current year 4    
Prior 170   366
Total loans 174   381
Not Rated | Multifamily | Residential      
Analysis of risk category of loans by class of loans      
Four years before current year     420
Prior 1,358   953
Total loans $ 1,358   $ 1,373