v3.26.1
Loans and Allowance for Credit Losses - Loan Risk Ratings (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Credit quality categories          
Prior $ 1,875,117   $ 1,875,117   $ 1,362,664
Year Five 940,520   940,520   663,013
Year Four 472,926   472,926   987,622
Year Three 440,144   440,144   543,191
Year Two 620,940   620,940   457,635
Year One 276,090   276,090   616,747
Revolving loans 249,440   249,440   238,924
Revolving Converted to Term Loans 2,572   2,572   30,506
Total 4,877,749   4,877,749   4,900,302
Current period gross charge-offs          
Total gross charge-offs (267) $ (787) (1,523) $ (1,513)  
Total loans evaluated by performing status          
Credit quality categories          
Prior 0   0   0
Year Five 0   0   0
Year Four 0   0   0
Year Three 0   0   0
Year Two 0   0   0
Year One 0   0   0
Revolving loans 4,092   4,092   4,521
Revolving Converted to Term Loans 0   0   0
Total 4,092   4,092   4,521
Current period gross charge-offs          
Gross charge-offs, Prior     (747)   (636)
Gross charge-offs, Year Five     (417)   (2,739)
Gross charge-offs, Year Four     (161)   (1,595)
Gross charge-offs, Year Three     (43)   (975)
Gross charge-offs, Year Two     (19)   (324)
Gross charge-offs, Year One     0   0
Revolving loans     (136)   (979)
Revolving Converted to Term Loans     0   (31)
Total gross charge-offs     (1,523)   (7,279)
Total loans by risk category          
Credit quality categories          
Prior 1,875,117   1,875,117   1,362,664
Year Five 940,520   940,520   663,013
Year Four 472,926   472,926   987,622
Year Three 440,144   440,144   543,191
Year Two 620,940   620,940   457,635
Year One 276,090   276,090   616,747
Revolving loans 245,348   245,348   234,403
Revolving Converted to Term Loans 2,572   2,572   30,506
Total 4,873,657   4,873,657   4,895,781
Current period gross charge-offs          
Gross charge-offs, Prior     (747)   (636)
Gross charge-offs, Year Five     (417)   (2,739)
Gross charge-offs, Year Four     (161)   (1,595)
Gross charge-offs, Year Three     (43)   (975)
Gross charge-offs, Year Two     (19)   (324)
Gross charge-offs, Year One     0   0
Revolving loans     (21)   (444)
Revolving Converted to Term Loans     0   (31)
Total gross charge-offs     (1,408)   (6,744)
Pass          
Credit quality categories          
Prior 1,805,420   1,805,420   1,316,177
Year Five 886,675   886,675   625,423
Year Four 449,300   449,300   948,569
Year Three 438,034   438,034   540,936
Year Two 620,018   620,018   457,235
Year One 275,810   275,810   616,279
Revolving loans 238,604   238,604   230,110
Revolving Converted to Term Loans 2,572   2,572   30,333
Total 4,716,433   4,716,433   4,765,062
Special mention          
Credit quality categories          
Prior 34,474   34,474   18,928
Year Five 33,890   33,890   17,688
Year Four 2,977   2,977   34,792
Year Three 0   0   953
Year Two 0   0   76
Year One 0   0   54
Revolving loans 1,616   1,616   910
Revolving Converted to Term Loans 0   0   0
Total 72,957   72,957   73,401
Substandard          
Credit quality categories          
Prior 35,223   35,223   27,559
Year Five 19,955   19,955   19,902
Year Four 20,649   20,649   4,261
Year Three 2,110   2,110   1,302
Year Two 922   922   324
Year One 280   280   414
Revolving loans 5,128   5,128   3,383
Revolving Converted to Term Loans 0   0   173
Total 84,267   84,267   57,318
Commercial real estate          
Credit quality categories          
Prior 1,271,234   1,271,234   975,147
Year Five 563,286   563,286   384,409
Year Four 215,728   215,728   593,778
Year Three 154,606   154,606   242,514
Year Two 258,745   258,745   140,212
Year One 121,339   121,339   265,405
Revolving loans 17,926   17,926   15,395
Revolving Converted to Term Loans 150   150   27,136
Total 2,603,014   2,603,014   2,643,996
Current period gross charge-offs          
Gross charge-offs, Prior     (64)   (109)
Gross charge-offs, Year Five     0   (2,640)
Gross charge-offs, Year Four     0   0
Gross charge-offs, Year Three     0   0
Gross charge-offs, Year Two     0   0
Gross charge-offs, Year One     0   0
Revolving loans     0   0
Revolving Converted to Term Loans     0   0
Total gross charge-offs (64) 0 (64) 0 (2,749)
Commercial real estate | Pass          
Credit quality categories          
Prior 1,227,989   1,227,989   939,986
Year Five 511,763   511,763   364,719
Year Four 193,215   193,215   556,924
Year Three 153,536   153,536   242,170
Year Two 258,137   258,137   139,929
Year One 121,339   121,339   265,405
Revolving loans 17,791   17,791   14,703
Revolving Converted to Term Loans 150   150   27,136
Total 2,483,920   2,483,920   2,550,972
Commercial real estate | Special mention          
Credit quality categories          
Prior 17,063   17,063   15,105
Year Five 33,701   33,701   2,884
Year Four 2,977   2,977   34,014
Year Three 0   0   344
Year Two 0   0   0
Year One 0   0   0
Revolving loans 0   0   0
Revolving Converted to Term Loans 0   0   0
Total 53,741   53,741   52,347
Commercial real estate | Substandard          
Credit quality categories          
Prior 26,182   26,182   20,056
Year Five 17,822   17,822   16,806
Year Four 19,536   19,536   2,840
Year Three 1,070   1,070   0
Year Two 608   608   283
Year One 0   0   0
Revolving loans 135   135   692
Revolving Converted to Term Loans 0   0   0
Total 65,353   65,353   40,677
Residential real estate          
Credit quality categories          
Prior 482,294   482,294   328,473
Year Five 276,105   276,105   198,987
Year Four 194,894   194,894   276,136
Year Three 164,337   164,337   216,231
Year Two 144,243   144,243   147,517
Year One 60,452   60,452   114,412
Revolving loans 148,036   148,036   132,513
Revolving Converted to Term Loans 40   40   695
Total 1,470,401   1,470,401   1,414,964
Current period gross charge-offs          
Gross charge-offs, Prior     (139)   (5)
Gross charge-offs, Year Five     0   0
Gross charge-offs, Year Four     0   0
Gross charge-offs, Year Three     0   0
Gross charge-offs, Year Two     0   0
Gross charge-offs, Year One     0   0
Revolving loans     (4)   (45)
Revolving Converted to Term Loans     0   0
Total gross charge-offs (1) 0 (143) 0 (50)
Residential real estate | Pass          
Credit quality categories          
Prior 456,836   456,836   317,764
Year Five 274,381   274,381   182,198
Year Four 194,586   194,586   275,869
Year Three 163,825   163,825   215,397
Year Two 144,243   144,243   147,517
Year One 60,452   60,452   114,300
Revolving loans 145,231   145,231   131,075
Revolving Converted to Term Loans 40   40   695
Total 1,439,594   1,439,594   1,384,815
Residential real estate | Special mention          
Credit quality categories          
Prior 17,407   17,407   3,719
Year Five 189   189   14,777
Year Four 0   0   0
Year Three 0   0   504
Year Two 0   0   0
Year One 0   0   0
Revolving loans 1,498   1,498   65
Revolving Converted to Term Loans 0   0   0
Total 19,094   19,094   19,065
Residential real estate | Substandard          
Credit quality categories          
Prior 8,051   8,051   6,990
Year Five 1,535   1,535   2,012
Year Four 308   308   267
Year Three 512   512   330
Year Two 0   0   0
Year One 0   0   112
Revolving loans 1,307   1,307   1,373
Revolving Converted to Term Loans 0   0   0
Total 11,713   11,713   11,084
Construction          
Credit quality categories          
Prior 31,249   31,249   27,182
Year Five 6,767   6,767   7,238
Year Four 15,864   15,864   7,047
Year Three 72,192   72,192   28,868
Year Two 146,454   146,454   108,885
Year One 47,513   47,513   151,981
Revolving loans 17,271   17,271   13,070
Revolving Converted to Term Loans 469   469   632
Total 337,779   337,779   344,903
Current period gross charge-offs          
Gross charge-offs, Prior     0   0
Gross charge-offs, Year Five     0   0
Gross charge-offs, Year Four     0   0
Gross charge-offs, Year Three     0   0
Gross charge-offs, Year Two     0   0
Gross charge-offs, Year One     0   0
Revolving loans     0   0
Revolving Converted to Term Loans     0   0
Total gross charge-offs 0 0 0 0 0
Construction | Pass          
Credit quality categories          
Prior 31,094   31,094   27,094
Year Five 6,767   6,767   7,238
Year Four 15,864   15,864   7,047
Year Three 72,192   72,192   28,868
Year Two 146,213   146,213   108,885
Year One 47,513   47,513   151,738
Revolving loans 17,271   17,271   13,070
Revolving Converted to Term Loans 469   469   632
Total 337,383   337,383   344,572
Construction | Substandard          
Credit quality categories          
Prior 155   155   88
Year Five 0   0   0
Year Four 0   0   0
Year Three 0   0   0
Year Two 241   241   0
Year One 0   0   243
Revolving loans 0   0   0
Revolving Converted to Term Loans 0   0   0
Total 396   396   331
Commercial          
Credit quality categories          
Prior 45,116   45,116   23,907
Year Five 16,198   16,198   26,600
Year Four 13,702   13,702   20,604
Year Three 24,478   24,478   15,557
Year Two 32,401   32,401   29,383
Year One 25,526   25,526   35,256
Revolving loans 61,378   61,378   72,656
Revolving Converted to Term Loans 1,913   1,913   2,043
Total 220,712   220,712   226,006
Current period gross charge-offs          
Gross charge-offs, Prior     (2)   (71)
Gross charge-offs, Year Five     (37)   0
Gross charge-offs, Year Four     (149)   0
Gross charge-offs, Year Three     0   (329)
Gross charge-offs, Year Two     0   0
Gross charge-offs, Year One     0   0
Revolving loans     (15)   (381)
Revolving Converted to Term Loans     0   (31)
Total gross charge-offs 0 0 (203) (2) (812)
Commercial | Pass          
Credit quality categories          
Prior 44,280   44,280   23,379
Year Five 15,652   15,652   25,518
Year Four 13,274   13,274   19,739
Year Three 23,950   23,950   14,925
Year Two 32,384   32,384   29,307
Year One 25,246   25,246   35,202
Revolving loans 57,574   57,574   70,493
Revolving Converted to Term Loans 1,913   1,913   1,870
Total 214,273   214,273   220,433
Commercial | Special mention          
Credit quality categories          
Prior 4   4   104
Year Five 0   0   27
Year Four 0   0   107
Year Three 0   0   105
Year Two 0   0   76
Year One 0   0   54
Revolving loans 118   118   845
Revolving Converted to Term Loans 0   0   0
Total 122   122   1,318
Commercial | Substandard          
Credit quality categories          
Prior 832   832   424
Year Five 546   546   1,055
Year Four 428   428   758
Year Three 528   528   527
Year Two 17   17   0
Year One 280   280   0
Revolving loans 3,686   3,686   1,318
Revolving Converted to Term Loans 0   0   173
Total 6,317   6,317   4,255
Consumer          
Credit quality categories          
Prior 45,224   45,224   7,955
Year Five 78,164   78,164   45,779
Year Four 32,738   32,738   90,057
Year Three 24,531   24,531   40,021
Year Two 39,097   39,097   31,638
Year One 21,260   21,260   49,693
Revolving loans 737   737   769
Revolving Converted to Term Loans 0   0   0
Total 241,751   241,751   265,912
Current period gross charge-offs          
Gross charge-offs, Prior     (542)   (451)
Gross charge-offs, Year Five     (380)   (99)
Gross charge-offs, Year Four     (12)   (1,595)
Gross charge-offs, Year Three     (43)   (646)
Gross charge-offs, Year Two     (19)   (324)
Gross charge-offs, Year One     0   0
Revolving loans     (2)   (18)
Revolving Converted to Term Loans     0   0
Total gross charge-offs (167) (598) (998) (1,080) (3,133)
Consumer | Pass          
Credit quality categories          
Prior 45,221   45,221   7,954
Year Five 78,112   78,112   45,750
Year Four 32,361   32,361   88,990
Year Three 24,531   24,531   39,576
Year Two 39,041   39,041   31,597
Year One 21,260   21,260   49,634
Revolving loans 737   737   769
Revolving Converted to Term Loans 0   0   0
Total 241,263   241,263   264,270
Consumer | Special mention          
Credit quality categories          
Prior         0
Year Five         0
Year Four         671
Year Three         0
Year Two         0
Year One         0
Revolving loans         0
Revolving Converted to Term Loans         0
Total         671
Consumer | Substandard          
Credit quality categories          
Prior 3   3   1
Year Five 52   52   29
Year Four 377   377   396
Year Three 0   0   445
Year Two 56   56   41
Year One 0   0   59
Revolving loans 0   0   0
Revolving Converted to Term Loans 0   0   0
Total 488   488   971
Credit cards          
Credit quality categories          
Prior 0   0   0
Year Five 0   0   0
Year Four 0   0   0
Year Three 0   0   0
Year Two 0   0   0
Year One 0   0   0
Revolving loans 4,092   4,092   4,521
Revolving Converted to Term Loans 0   0   0
Total 4,092   4,092   4,521
Current period gross charge-offs          
Gross charge-offs, Prior     0   0
Gross charge-offs, Year Five     0   0
Gross charge-offs, Year Four     0   0
Gross charge-offs, Year Three     0   0
Gross charge-offs, Year Two     0   0
Gross charge-offs, Year One     0   0
Revolving loans     (115)   (535)
Revolving Converted to Term Loans     0   0
Total gross charge-offs (35) $ (189) (115) $ (431) (535)
Credit cards | Performing          
Credit quality categories          
Prior 0   0   0
Year Five 0   0   0
Year Four 0   0   0
Year Three 0   0   0
Year Two 0   0   0
Year One 0   0   0
Revolving loans 4,074   4,074   4,473
Revolving Converted to Term Loans 0   0   0
Total 4,074   4,074   4,473
Credit cards | Nonperforming          
Credit quality categories          
Prior 0   0   0
Year Five 0   0   0
Year Four 0   0   0
Year Three 0   0   0
Year Two 0   0   0
Year One 0   0   0
Revolving loans 18   18   48
Revolving Converted to Term Loans 0   0   0
Total $ 18   $ 18   $ 48