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Loans - Credit risk profile by risk grade of commercial and consumer loans (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Loans          
Amortized Cost Basis by Origination Year - 2023 $ 3,685,850   $ 3,685,850   $ 8,589,197
Amortized Cost Basis by Origination Year - 2022 8,900,782   8,900,782   6,907,684
Amortized Cost Basis by Origination Year - 2021 6,553,671   6,553,671   3,112,648
Amortized Cost Basis by Origination Year - 2020 2,675,993   2,675,993   2,533,623
Amortized Cost Basis by Origination Year - 2019 2,183,676   2,183,676   1,539,466
Amortized Cost Basis by Origination Year - Prior 4,757,618   4,757,618   4,173,570
Amortized Cost Basis by Origination Year - Revolving 3,259,082   3,259,082   3,321,674
Total loans 32,016,672   32,016,672   30,177,862
Current-period gross charge-offs - 2023     3,782   291
Current-period gross charge-offs - 2022     3,534   3,478
Current-period gross charge-offs - 2021     13,255   556
Current-period gross charge-offs - 2020     670   2,063
Current-period gross charge-offs - 2019     927   2,299
Current-period gross charge-offs - Prior     1,275   4,842
Current-period gross charge-offs - Revolving     6,732   9,917
Current-period gross charge-offs - Total 17,970 $ 7,126 30,175 $ 18,779 23,446
30 days past due          
Loans          
Total loans 61,071   61,071   68,416
60 days past due          
Loans          
Total loans 28,966   28,966   31,607
90 days past due          
Loans          
Total loans 2,604   2,604   4,350
Construction and land development          
Loans          
Total loans 2,776,241   2,776,241   2,860,360
Construction and land development | 30 days past due          
Loans          
Total loans 1,272   1,272   2,146
Construction and land development | 60 days past due          
Loans          
Total loans 474   474   3,653
Construction and land development | 90 days past due          
Loans          
Total loans 46   46    
Commercial and industrial          
Loans          
Total loans 5,458,229   5,458,229   5,313,483
Commercial and industrial | 30 days past due          
Loans          
Total loans 27,715   27,715   24,500
Commercial and industrial | 60 days past due          
Loans          
Total loans 14,819   14,819   11,677
Commercial and industrial | 90 days past due          
Loans          
Total loans 806   806   1,704
Other income producing property          
Loans          
Total loans 670,331   670,331   696,242
Other income producing property | 30 days past due          
Loans          
Total loans 301   301   1,623
Other income producing property | 60 days past due          
Loans          
Total loans 288   288   1,480
Other income producing property | 90 days past due          
Loans          
Total loans         298
Consumer Owner Occupied Loans          
Loans          
Total loans 6,259,048   6,259,048   5,162,042
Consumer Owner Occupied Loans | 30 days past due          
Loans          
Total loans 5,145   5,145   6,001
Consumer Owner Occupied Loans | 60 days past due          
Loans          
Total loans 1,595   1,595   744
Consumer Owner Occupied Loans | 90 days past due          
Loans          
Total loans 26   26   40
Home equity loans          
Loans          
Total loans 1,349,097   1,349,097   1,313,168
Home equity loans | 30 days past due          
Loans          
Total loans 3,221   3,221   2,527
Home equity loans | 60 days past due          
Loans          
Total loans 949   949   361
Home equity loans | 90 days past due          
Loans          
Total loans 1   1    
Consumer loans          
Loans          
Total loans 1,258,078   1,258,078   1,278,426
Consumer loans | 30 days past due          
Loans          
Total loans 14,522   14,522   19,713
Consumer loans | 60 days past due          
Loans          
Total loans 7,965   7,965   10,655
Consumer loans | 90 days past due          
Loans          
Total loans 24   24    
Other loans          
Loans          
Total loans 4,199   4,199   20,989
Commercial loans          
Loans          
Amortized Cost Basis by Origination Year - 2023 2,478,373   2,478,373   5,965,333
Amortized Cost Basis by Origination Year - 2022 5,999,669   5,999,669   4,853,572
Amortized Cost Basis by Origination Year - 2021 4,594,348   4,594,348   2,281,793
Amortized Cost Basis by Origination Year - 2020 1,927,848   1,927,848   2,112,230
Amortized Cost Basis by Origination Year - 2019 1,806,946   1,806,946   1,292,239
Amortized Cost Basis by Origination Year - Prior 3,679,015   3,679,015   3,156,201
Amortized Cost Basis by Origination Year - Revolving 1,736,579   1,736,579   1,768,969
Total loans 22,222,778   22,222,778   21,430,337
Current-period gross charge-offs - 2023     3,551   12
Current-period gross charge-offs - 2022     2,295   2,825
Current-period gross charge-offs - 2021     12,849   198
Current-period gross charge-offs - 2020     381   1,773
Current-period gross charge-offs - 2019     765   2,214
Current-period gross charge-offs - Prior     833   3,828
Current-period gross charge-offs - Revolving     395   1,792
Current-period gross charge-offs - Total     21,069   12,642
Commercial loans | Pass          
Loans          
Amortized Cost Basis by Origination Year - 2023 2,382,778   2,382,778   5,911,188
Amortized Cost Basis by Origination Year - 2022 5,898,525   5,898,525   4,719,732
Amortized Cost Basis by Origination Year - 2021 4,497,347   4,497,347   2,245,766
Amortized Cost Basis by Origination Year - 2020 1,838,284   1,838,284   2,053,868
Amortized Cost Basis by Origination Year - 2019 1,719,027   1,719,027   1,227,113
Amortized Cost Basis by Origination Year - Prior 3,466,254   3,466,254   2,968,415
Amortized Cost Basis by Origination Year - Revolving 1,644,950   1,644,950   1,698,688
Total loans 21,447,165   21,447,165   20,824,770
Commercial loans | Special mention          
Loans          
Amortized Cost Basis by Origination Year - 2023 35,323   35,323   20,216
Amortized Cost Basis by Origination Year - 2022 64,495   64,495   35,235
Amortized Cost Basis by Origination Year - 2021 38,533   38,533   9,381
Amortized Cost Basis by Origination Year - 2020 48,585   48,585   21,567
Amortized Cost Basis by Origination Year - 2019 25,210   25,210   42,014
Amortized Cost Basis by Origination Year - Prior 46,137   46,137   73,870
Amortized Cost Basis by Origination Year - Revolving 24,560   24,560   33,035
Total loans 282,843   282,843   235,318
Commercial loans | Substandard          
Loans          
Amortized Cost Basis by Origination Year - 2023 60,266   60,266   33,528
Amortized Cost Basis by Origination Year - 2022 36,640   36,640   98,604
Amortized Cost Basis by Origination Year - 2021 58,438   58,438   26,645
Amortized Cost Basis by Origination Year - 2020 40,976   40,976   36,716
Amortized Cost Basis by Origination Year - 2019 62,709   62,709   22,956
Amortized Cost Basis by Origination Year - Prior 166,600   166,600   113,348
Amortized Cost Basis by Origination Year - Revolving 67,066   67,066   37,244
Total loans 492,695   492,695   369,041
Commercial loans | Doubtful          
Loans          
Amortized Cost Basis by Origination Year - 2023 6   6   401
Amortized Cost Basis by Origination Year - 2022 9   9   1
Amortized Cost Basis by Origination Year - 2021 30   30   1
Amortized Cost Basis by Origination Year - 2020 3   3   79
Amortized Cost Basis by Origination Year - 2019         156
Amortized Cost Basis by Origination Year - Prior 24   24   568
Amortized Cost Basis by Origination Year - Revolving 3   3   2
Total loans 75   75   1,208
Commercial loans | Construction and land development          
Loans          
Amortized Cost Basis by Origination Year - 2023 342,812   342,812   877,608
Amortized Cost Basis by Origination Year - 2022 933,044   933,044   754,382
Amortized Cost Basis by Origination Year - 2021 504,028   504,028   135,275
Amortized Cost Basis by Origination Year - 2020 24,642   24,642   65,841
Amortized Cost Basis by Origination Year - 2019 12,959   12,959   21,740
Amortized Cost Basis by Origination Year - Prior 34,828   34,828   35,798
Amortized Cost Basis by Origination Year - Revolving 60,848   60,848   65,656
Total loans 1,913,161   1,913,161   1,956,300
Current-period gross charge-offs - Prior     2    
Current-period gross charge-offs - Total     2    
Commercial loans | Construction and land development | Pass          
Loans          
Amortized Cost Basis by Origination Year - 2023 342,418   342,418   875,751
Amortized Cost Basis by Origination Year - 2022 920,495   920,495   742,985
Amortized Cost Basis by Origination Year - 2021 502,988   502,988   134,996
Amortized Cost Basis by Origination Year - 2020 24,380   24,380   63,439
Amortized Cost Basis by Origination Year - 2019 10,853   10,853   14,521
Amortized Cost Basis by Origination Year - Prior 27,023   27,023   29,442
Amortized Cost Basis by Origination Year - Revolving 60,848   60,848   65,656
Total loans 1,889,005   1,889,005   1,926,790
Commercial loans | Construction and land development | Special mention          
Loans          
Amortized Cost Basis by Origination Year - 2023         1,643
Amortized Cost Basis by Origination Year - 2022 11,530   11,530   988
Amortized Cost Basis by Origination Year - 2021 1,040   1,040   268
Amortized Cost Basis by Origination Year - 2020 9   9   76
Amortized Cost Basis by Origination Year - 2019 817   817   7,219
Amortized Cost Basis by Origination Year - Prior 473   473   2,068
Total loans 13,869   13,869   12,262
Commercial loans | Construction and land development | Substandard          
Loans          
Amortized Cost Basis by Origination Year - 2023 394   394   214
Amortized Cost Basis by Origination Year - 2022 1,019   1,019   10,409
Amortized Cost Basis by Origination Year - 2021         11
Amortized Cost Basis by Origination Year - 2020 251   251   2,326
Amortized Cost Basis by Origination Year - 2019 1,289   1,289    
Amortized Cost Basis by Origination Year - Prior 7,327   7,327   4,282
Total loans 10,280   10,280   17,242
Commercial loans | Construction and land development | Doubtful          
Loans          
Amortized Cost Basis by Origination Year - 2020 2   2    
Amortized Cost Basis by Origination Year - Prior 5   5   6
Total loans 7   7   6
Commercial loans | Commercial non-owner occupied          
Loans          
Amortized Cost Basis by Origination Year - 2023 683,985   683,985   2,266,778
Amortized Cost Basis by Origination Year - 2022 2,551,598   2,551,598   1,878,862
Amortized Cost Basis by Origination Year - 2021 2,056,852   2,056,852   818,336
Amortized Cost Basis by Origination Year - 2020 757,233   757,233   980,205
Amortized Cost Basis by Origination Year - 2019 835,988   835,988   536,889
Amortized Cost Basis by Origination Year - Prior 1,721,873   1,721,873   1,475,873
Amortized Cost Basis by Origination Year - Revolving 94,823   94,823   116,016
Total loans 8,702,352   8,702,352   8,072,959
Current-period gross charge-offs - 2023         8
Current-period gross charge-offs - 2021     51    
Current-period gross charge-offs - Prior         360
Current-period gross charge-offs - Total     51   368
Commercial loans | Commercial non-owner occupied | 30 days past due          
Loans          
Total loans 4,922   4,922   1,158
Commercial loans | Commercial non-owner occupied | 60 days past due          
Loans          
Total loans 1,378   1,378   978
Commercial loans | Commercial non-owner occupied | 90 days past due          
Loans          
Total loans         77
Commercial loans | Commercial non-owner occupied | Pass          
Loans          
Amortized Cost Basis by Origination Year - 2023 627,660   627,660   2,245,943
Amortized Cost Basis by Origination Year - 2022 2,535,022   2,535,022   1,849,079
Amortized Cost Basis by Origination Year - 2021 2,036,897   2,036,897   816,791
Amortized Cost Basis by Origination Year - 2020 704,631   704,631   959,707
Amortized Cost Basis by Origination Year - 2019 791,932   791,932   506,350
Amortized Cost Basis by Origination Year - Prior 1,629,748   1,629,748   1,417,397
Amortized Cost Basis by Origination Year - Revolving 94,728   94,728   108,759
Total loans 8,420,618   8,420,618   7,904,026
Commercial loans | Commercial non-owner occupied | Special mention          
Loans          
Amortized Cost Basis by Origination Year - 2023 24,499   24,499   7,579
Amortized Cost Basis by Origination Year - 2022 6,089   6,089   4,225
Amortized Cost Basis by Origination Year - 2021 4,074   4,074   936
Amortized Cost Basis by Origination Year - 2020 33,091   33,091   11,036
Amortized Cost Basis by Origination Year - 2019 9,935   9,935   24,067
Amortized Cost Basis by Origination Year - Prior 13,889   13,889   32,110
Amortized Cost Basis by Origination Year - Revolving 95   95   5,000
Total loans 91,672   91,672   84,953
Commercial loans | Commercial non-owner occupied | Substandard          
Loans          
Amortized Cost Basis by Origination Year - 2023 31,826   31,826   13,256
Amortized Cost Basis by Origination Year - 2022 10,487   10,487   25,557
Amortized Cost Basis by Origination Year - 2021 15,880   15,880   609
Amortized Cost Basis by Origination Year - 2020 19,511   19,511   9,383
Amortized Cost Basis by Origination Year - 2019 34,121   34,121   6,472
Amortized Cost Basis by Origination Year - Prior 78,236   78,236   26,366
Amortized Cost Basis by Origination Year - Revolving         2,257
Total loans 190,061   190,061   83,900
Commercial loans | Commercial non-owner occupied | Doubtful          
Loans          
Amortized Cost Basis by Origination Year - 2022         1
Amortized Cost Basis by Origination Year - 2021 1   1    
Amortized Cost Basis by Origination Year - 2020         79
Total loans 1   1   80
Commercial loans | Commercial owner occupied real estate loan          
Loans          
Amortized Cost Basis by Origination Year - 2023 444,882   444,882   1,063,043
Amortized Cost Basis by Origination Year - 2022 1,120,143   1,120,143   1,195,762
Amortized Cost Basis by Origination Year - 2021 1,171,854   1,171,854   748,386
Amortized Cost Basis by Origination Year - 2020 681,763   681,763   734,105
Amortized Cost Basis by Origination Year - 2019 703,150   703,150   463,144
Amortized Cost Basis by Origination Year - Prior 1,327,865   1,327,865   1,178,058
Amortized Cost Basis by Origination Year - Revolving 89,440   89,440   77,695
Total loans 5,539,097   5,539,097   5,460,193
Current-period gross charge-offs - 2022     126    
Current-period gross charge-offs - 2020         1,143
Current-period gross charge-offs - Prior         833
Current-period gross charge-offs - Total     126   1,976
Commercial loans | Commercial owner occupied real estate loan | 30 days past due          
Loans          
Total loans 3,973   3,973   10,748
Commercial loans | Commercial owner occupied real estate loan | 60 days past due          
Loans          
Total loans 1,498   1,498   2,059
Commercial loans | Commercial owner occupied real estate loan | 90 days past due          
Loans          
Total loans 1,701   1,701   2,231
Commercial loans | Commercial owner occupied real estate loan | Pass          
Loans          
Amortized Cost Basis by Origination Year - 2023 428,352   428,352   1,046,562
Amortized Cost Basis by Origination Year - 2022 1,074,223   1,074,223   1,136,289
Amortized Cost Basis by Origination Year - 2021 1,125,327   1,125,327   725,040
Amortized Cost Basis by Origination Year - 2020 653,996   653,996   709,669
Amortized Cost Basis by Origination Year - 2019 674,921   674,921   446,497
Amortized Cost Basis by Origination Year - Prior 1,239,235   1,239,235   1,080,522
Amortized Cost Basis by Origination Year - Revolving 80,845   80,845   75,506
Total loans 5,276,899   5,276,899   5,220,085
Commercial loans | Commercial owner occupied real estate loan | Special mention          
Loans          
Amortized Cost Basis by Origination Year - 2023 1,560   1,560   3,620
Amortized Cost Basis by Origination Year - 2022 33,594   33,594   25,263
Amortized Cost Basis by Origination Year - 2021 22,258   22,258   3,383
Amortized Cost Basis by Origination Year - 2020 12,318   12,318   7,934
Amortized Cost Basis by Origination Year - 2019 9,581   9,581   7,160
Amortized Cost Basis by Origination Year - Prior 27,864   27,864   34,724
Amortized Cost Basis by Origination Year - Revolving 8,595   8,595   1,294
Total loans 115,770   115,770   83,378
Commercial loans | Commercial owner occupied real estate loan | Substandard          
Loans          
Amortized Cost Basis by Origination Year - 2023 14,967   14,967   12,861
Amortized Cost Basis by Origination Year - 2022 12,326   12,326   34,210
Amortized Cost Basis by Origination Year - 2021 24,269   24,269   19,962
Amortized Cost Basis by Origination Year - 2020 15,448   15,448   16,502
Amortized Cost Basis by Origination Year - 2019 18,648   18,648   9,487
Amortized Cost Basis by Origination Year - Prior 60,762   60,762   62,808
Amortized Cost Basis by Origination Year - Revolving         895
Total loans 146,420   146,420   156,725
Commercial loans | Commercial owner occupied real estate loan | Doubtful          
Loans          
Amortized Cost Basis by Origination Year - 2023 3   3    
Amortized Cost Basis by Origination Year - 2021         1
Amortized Cost Basis by Origination Year - 2020 1   1    
Amortized Cost Basis by Origination Year - Prior 4   4   4
Total loans 8   8   5
Commercial loans | Commercial and industrial          
Loans          
Amortized Cost Basis by Origination Year - 2023 942,819   942,819   1,578,396
Amortized Cost Basis by Origination Year - 2022 1,250,604   1,250,604   927,124
Amortized Cost Basis by Origination Year - 2021 755,135   755,135   514,826
Amortized Cost Basis by Origination Year - 2020 407,208   407,208   282,896
Amortized Cost Basis by Origination Year - 2019 208,815   208,815   222,838
Amortized Cost Basis by Origination Year - Prior 469,629   469,629   343,500
Amortized Cost Basis by Origination Year - Revolving 1,424,019   1,424,019   1,443,903
Total loans 5,458,229   5,458,229   5,313,483
Current-period gross charge-offs - 2023     3,551   4
Current-period gross charge-offs - 2022     2,169   2,825
Current-period gross charge-offs - 2021     12,798   198
Current-period gross charge-offs - 2020     381   630
Current-period gross charge-offs - 2019     765   2,214
Current-period gross charge-offs - Prior     831   2,589
Current-period gross charge-offs - Revolving     395   1,742
Current-period gross charge-offs - Total     20,890   10,202
Commercial loans | Commercial and industrial | Pass          
Loans          
Amortized Cost Basis by Origination Year - 2023 921,531   921,531   1,566,203
Amortized Cost Basis by Origination Year - 2022 1,225,758   1,225,758   895,368
Amortized Cost Basis by Origination Year - 2021 728,158   728,158   506,655
Amortized Cost Basis by Origination Year - 2020 399,814   399,814   274,446
Amortized Cost Basis by Origination Year - 2019 197,974   197,974   212,522
Amortized Cost Basis by Origination Year - Prior 454,648   454,648   333,286
Amortized Cost Basis by Origination Year - Revolving 1,343,128   1,343,128   1,386,678
Total loans 5,271,011   5,271,011   5,175,158
Commercial loans | Commercial and industrial | Special mention          
Loans          
Amortized Cost Basis by Origination Year - 2023 8,950   8,950   5,885
Amortized Cost Basis by Origination Year - 2022 12,662   12,662   3,782
Amortized Cost Basis by Origination Year - 2021 10,435   10,435   3,401
Amortized Cost Basis by Origination Year - 2020 3,032   3,032   1,859
Amortized Cost Basis by Origination Year - 2019 4,310   4,310   3,378
Amortized Cost Basis by Origination Year - Prior 1,307   1,307   1,316
Amortized Cost Basis by Origination Year - Revolving 14,455   14,455   24,347
Total loans 55,151   55,151   43,968
Commercial loans | Commercial and industrial | Substandard          
Loans          
Amortized Cost Basis by Origination Year - 2023 12,335   12,335   6,308
Amortized Cost Basis by Origination Year - 2022 12,175   12,175   27,974
Amortized Cost Basis by Origination Year - 2021 16,513   16,513   4,770
Amortized Cost Basis by Origination Year - 2020 4,362   4,362   6,591
Amortized Cost Basis by Origination Year - 2019 6,531   6,531   6,783
Amortized Cost Basis by Origination Year - Prior 13,661   13,661   8,476
Amortized Cost Basis by Origination Year - Revolving 66,433   66,433   32,876
Total loans 132,010   132,010   93,778
Commercial loans | Commercial and industrial | Doubtful          
Loans          
Amortized Cost Basis by Origination Year - 2023 3   3    
Amortized Cost Basis by Origination Year - 2022 9   9    
Amortized Cost Basis by Origination Year - 2021 29   29    
Amortized Cost Basis by Origination Year - 2019         155
Amortized Cost Basis by Origination Year - Prior 13   13   422
Amortized Cost Basis by Origination Year - Revolving 3   3   2
Total loans 57   57   579
Commercial loans | Other income producing property          
Loans          
Amortized Cost Basis by Origination Year - 2023 50,612   50,612   152,022
Amortized Cost Basis by Origination Year - 2022 139,346   139,346   94,203
Amortized Cost Basis by Origination Year - 2021 103,475   103,475   63,011
Amortized Cost Basis by Origination Year - 2020 54,585   54,585   46,867
Amortized Cost Basis by Origination Year - 2019 43,874   43,874   47,559
Amortized Cost Basis by Origination Year - Prior 124,248   124,248   122,438
Amortized Cost Basis by Origination Year - Revolving 39,414   39,414   49,572
Total loans 555,554   555,554   575,672
Current-period gross charge-offs - Prior         46
Current-period gross charge-offs - Revolving         50
Current-period gross charge-offs - Total         96
Commercial loans | Other income producing property | Pass          
Loans          
Amortized Cost Basis by Origination Year - 2023 49,793   49,793   149,793
Amortized Cost Basis by Origination Year - 2022 138,439   138,439   92,887
Amortized Cost Basis by Origination Year - 2021 100,992   100,992   60,473
Amortized Cost Basis by Origination Year - 2020 54,040   54,040   46,189
Amortized Cost Basis by Origination Year - 2019 43,035   43,035   47,155
Amortized Cost Basis by Origination Year - Prior 115,214   115,214   107,436
Amortized Cost Basis by Origination Year - Revolving 37,516   37,516   46,179
Total loans 539,029   539,029   550,112
Commercial loans | Other income producing property | Special mention          
Loans          
Amortized Cost Basis by Origination Year - 2023 75   75   952
Amortized Cost Basis by Origination Year - 2022 275   275   957
Amortized Cost Basis by Origination Year - 2021 707   707   1,257
Amortized Cost Basis by Origination Year - 2020 69   69   378
Amortized Cost Basis by Origination Year - 2019 293   293   190
Amortized Cost Basis by Origination Year - Prior 2,604   2,604   3,652
Amortized Cost Basis by Origination Year - Revolving 1,415   1,415   2,328
Total loans 5,438   5,438   9,714
Commercial loans | Other income producing property | Substandard          
Loans          
Amortized Cost Basis by Origination Year - 2023 744   744   876
Amortized Cost Basis by Origination Year - 2022 632   632   359
Amortized Cost Basis by Origination Year - 2021 1,776   1,776   1,281
Amortized Cost Basis by Origination Year - 2020 476   476   300
Amortized Cost Basis by Origination Year - 2019 546   546   214
Amortized Cost Basis by Origination Year - Prior 6,430   6,430   11,214
Amortized Cost Basis by Origination Year - Revolving 483   483   1,065
Total loans 11,087   11,087   15,309
Commercial loans | Other income producing property | Doubtful          
Loans          
Amortized Cost Basis by Origination Year - 2023         401
Amortized Cost Basis by Origination Year - Prior         136
Total loans         537
Commercial loans | Consumer Owner Occupied Loans          
Loans          
Amortized Cost Basis by Origination Year - 2023 9,064   9,064   6,497
Amortized Cost Basis by Origination Year - 2022 4,934   4,934   3,239
Amortized Cost Basis by Origination Year - 2021 3,004   3,004   1,959
Amortized Cost Basis by Origination Year - 2020 2,417   2,417   2,316
Amortized Cost Basis by Origination Year - 2019 2,160   2,160   69
Amortized Cost Basis by Origination Year - Prior 572   572   534
Amortized Cost Basis by Origination Year - Revolving 28,035   28,035   16,127
Total loans 50,186   50,186   30,741
Commercial loans | Consumer Owner Occupied Loans | Pass          
Loans          
Amortized Cost Basis by Origination Year - 2023 8,825   8,825   5,947
Amortized Cost Basis by Origination Year - 2022 4,588   4,588   3,124
Amortized Cost Basis by Origination Year - 2021 2,985   2,985   1,811
Amortized Cost Basis by Origination Year - 2020 1,423   1,423   418
Amortized Cost Basis by Origination Year - 2019 312   312   68
Amortized Cost Basis by Origination Year - Prior 386   386   332
Amortized Cost Basis by Origination Year - Revolving 27,885   27,885   15,910
Total loans 46,404   46,404   27,610
Commercial loans | Consumer Owner Occupied Loans | Special mention          
Loans          
Amortized Cost Basis by Origination Year - 2023 239   239   537
Amortized Cost Basis by Origination Year - 2022 345   345   20
Amortized Cost Basis by Origination Year - 2021 19   19   136
Amortized Cost Basis by Origination Year - 2020 66   66   284
Amortized Cost Basis by Origination Year - 2019 274   274    
Amortized Cost Basis by Origination Year - Revolving         66
Total loans 943   943   1,043
Commercial loans | Consumer Owner Occupied Loans | Substandard          
Loans          
Amortized Cost Basis by Origination Year - 2023         13
Amortized Cost Basis by Origination Year - 2022 1   1   95
Amortized Cost Basis by Origination Year - 2021         12
Amortized Cost Basis by Origination Year - 2020 928   928   1,614
Amortized Cost Basis by Origination Year - 2019 1,574   1,574    
Amortized Cost Basis by Origination Year - Prior 184   184   202
Amortized Cost Basis by Origination Year - Revolving 150   150   151
Total loans 2,837   2,837   2,087
Commercial loans | Consumer Owner Occupied Loans | Doubtful          
Loans          
Amortized Cost Basis by Origination Year - 2019         1
Amortized Cost Basis by Origination Year - Prior 2   2    
Total loans 2   2   1
Commercial loans | Other loans          
Loans          
Amortized Cost Basis by Origination Year - 2023 4,199   4,199   20,989
Total loans 4,199   4,199   20,989
Commercial loans | Other loans | Pass          
Loans          
Amortized Cost Basis by Origination Year - 2023 4,199   4,199   20,989
Total loans 4,199   4,199   20,989
Consumer portfolio loans          
Loans          
Amortized Cost Basis by Origination Year - 2023 1,207,477   1,207,477   2,623,864
Amortized Cost Basis by Origination Year - 2022 2,901,113   2,901,113   2,054,112
Amortized Cost Basis by Origination Year - 2021 1,959,323   1,959,323   830,855
Amortized Cost Basis by Origination Year - 2020 748,145   748,145   421,393
Amortized Cost Basis by Origination Year - 2019 376,730   376,730   247,227
Amortized Cost Basis by Origination Year - Prior 1,078,603   1,078,603   1,017,369
Amortized Cost Basis by Origination Year - Revolving 1,522,503   1,522,503   1,552,705
Total loans 9,793,894   9,793,894   8,747,525
Current-period gross charge-offs - 2023     231   279
Current-period gross charge-offs - 2022     1,239   653
Current-period gross charge-offs - 2021     406   358
Current-period gross charge-offs - 2020     289   290
Current-period gross charge-offs - 2019     162   85
Current-period gross charge-offs - Prior     442   1,014
Current-period gross charge-offs - Revolving     6,337   8,125
Current-period gross charge-offs - Total     9,106   10,804
Consumer portfolio loans | Current due          
Loans          
Amortized Cost Basis by Origination Year - 2023 1,205,980   1,205,980   2,621,392
Amortized Cost Basis by Origination Year - 2022 2,895,625   2,895,625   2,051,220
Amortized Cost Basis by Origination Year - 2021 1,955,795   1,955,795   826,906
Amortized Cost Basis by Origination Year - 2020 745,679   745,679   419,742
Amortized Cost Basis by Origination Year - 2019 375,380   375,380   245,166
Amortized Cost Basis by Origination Year - Prior 1,066,266   1,066,266   1,005,834
Amortized Cost Basis by Origination Year - Revolving 1,498,245   1,498,245   1,522,165
Total loans 9,742,970   9,742,970   8,692,425
Consumer portfolio loans | 30 days past due          
Loans          
Amortized Cost Basis by Origination Year - 2023 826   826   2,036
Amortized Cost Basis by Origination Year - 2022 1,705   1,705   1,448
Amortized Cost Basis by Origination Year - 2021 2,041   2,041   1,914
Amortized Cost Basis by Origination Year - 2020 930   930   972
Amortized Cost Basis by Origination Year - 2019 614   614   776
Amortized Cost Basis by Origination Year - Prior 4,332   4,332   3,810
Amortized Cost Basis by Origination Year - Revolving 14,970   14,970   19,057
Total loans 25,418   25,418   30,013
Consumer portfolio loans | 60 days past due          
Loans          
Amortized Cost Basis by Origination Year - 2023 665   665   310
Amortized Cost Basis by Origination Year - 2022 1,317   1,317   440
Amortized Cost Basis by Origination Year - 2021 766   766   705
Amortized Cost Basis by Origination Year - 2020 227   227   72
Amortized Cost Basis by Origination Year - 2019 292   292   456
Amortized Cost Basis by Origination Year - Prior 2,847   2,847   2,256
Amortized Cost Basis by Origination Year - Revolving 7,412   7,412   10,376
Total loans 13,526   13,526   14,615
Consumer portfolio loans | 90 days past due          
Loans          
Amortized Cost Basis by Origination Year - 2023 6   6   126
Amortized Cost Basis by Origination Year - 2022 2,466   2,466   1,004
Amortized Cost Basis by Origination Year - 2021 721   721   1,330
Amortized Cost Basis by Origination Year - 2020 1,309   1,309   607
Amortized Cost Basis by Origination Year - 2019 444   444   829
Amortized Cost Basis by Origination Year - Prior 5,158   5,158   5,469
Amortized Cost Basis by Origination Year - Revolving 1,876   1,876   1,107
Total loans 11,980   11,980   10,472
Consumer portfolio loans | Construction and land development          
Loans          
Amortized Cost Basis by Origination Year - 2023 104,146   104,146   466,477
Amortized Cost Basis by Origination Year - 2022 548,704   548,704   351,485
Amortized Cost Basis by Origination Year - 2021 159,300   159,300   50,908
Amortized Cost Basis by Origination Year - 2020 26,240   26,240   14,110
Amortized Cost Basis by Origination Year - 2019 9,188   9,188   7,029
Amortized Cost Basis by Origination Year - Prior 15,502   15,502   13,672
Amortized Cost Basis by Origination Year - Revolving         379
Total loans 863,080   863,080   904,060
Current-period gross charge-offs - 2021         21
Current-period gross charge-offs - Prior     8   4
Current-period gross charge-offs - Total     8   25
Consumer portfolio loans | Construction and land development | Current due          
Loans          
Amortized Cost Basis by Origination Year - 2023 104,143   104,143   466,475
Amortized Cost Basis by Origination Year - 2022 548,493   548,493   351,485
Amortized Cost Basis by Origination Year - 2021 159,300   159,300   50,472
Amortized Cost Basis by Origination Year - 2020 26,240   26,240   14,053
Amortized Cost Basis by Origination Year - 2019 9,188   9,188   7,006
Amortized Cost Basis by Origination Year - Prior 15,415   15,415   13,588
Amortized Cost Basis by Origination Year - Revolving         379
Total loans 862,779   862,779   903,458
Consumer portfolio loans | Construction and land development | 30 days past due          
Loans          
Amortized Cost Basis by Origination Year - 2023         2
Amortized Cost Basis by Origination Year - 2020         57
Amortized Cost Basis by Origination Year - 2019         23
Amortized Cost Basis by Origination Year - Prior 59   59   43
Total loans 59   59   125
Consumer portfolio loans | Construction and land development | 60 days past due          
Loans          
Amortized Cost Basis by Origination Year - Prior 11   11    
Total loans 11   11    
Consumer portfolio loans | Construction and land development | 90 days past due          
Loans          
Amortized Cost Basis by Origination Year - 2023 3   3    
Amortized Cost Basis by Origination Year - 2022 211   211    
Amortized Cost Basis by Origination Year - 2021         436
Amortized Cost Basis by Origination Year - Prior 17   17   41
Total loans 231   231   477
Consumer portfolio loans | Commercial non-owner occupied          
Loans          
Current-period gross charge-offs - 2023     18    
Current-period gross charge-offs - 2022     49    
Current-period gross charge-offs - 2021     27    
Current-period gross charge-offs - Prior     2    
Current-period gross charge-offs - Total     96    
Consumer portfolio loans | Other income producing property          
Loans          
Amortized Cost Basis by Origination Year - 2023 6,329   6,329   45,717
Amortized Cost Basis by Origination Year - 2022 43,588   43,588   21,421
Amortized Cost Basis by Origination Year - 2021 19,013   19,013   4,937
Amortized Cost Basis by Origination Year - 2020 4,435   4,435   2,663
Amortized Cost Basis by Origination Year - 2019 2,558   2,558   4,322
Amortized Cost Basis by Origination Year - Prior 38,573   38,573   40,886
Amortized Cost Basis by Origination Year - Revolving 281   281   624
Total loans 114,777   114,777   120,570
Consumer portfolio loans | Other income producing property | Current due          
Loans          
Amortized Cost Basis by Origination Year - 2023 6,329   6,329   45,717
Amortized Cost Basis by Origination Year - 2022 43,588   43,588   21,421
Amortized Cost Basis by Origination Year - 2021 18,825   18,825   4,937
Amortized Cost Basis by Origination Year - 2020 4,435   4,435   2,663
Amortized Cost Basis by Origination Year - 2019 2,558   2,558   4,322
Amortized Cost Basis by Origination Year - Prior 38,139   38,139   40,680
Amortized Cost Basis by Origination Year - Revolving 281   281   624
Total loans 114,155   114,155   120,364
Consumer portfolio loans | Other income producing property | 30 days past due          
Loans          
Amortized Cost Basis by Origination Year - Prior 313   313   62
Total loans 313   313   62
Consumer portfolio loans | Other income producing property | 60 days past due          
Loans          
Amortized Cost Basis by Origination Year - 2021 188   188    
Amortized Cost Basis by Origination Year - Prior         23
Total loans 188   188   23
Consumer portfolio loans | Other income producing property | 90 days past due          
Loans          
Amortized Cost Basis by Origination Year - Prior 121   121   121
Total loans 121   121   121
Consumer portfolio loans | Consumer Owner Occupied Loans          
Loans          
Amortized Cost Basis by Origination Year - 2023 829,938   829,938   1,697,025
Amortized Cost Basis by Origination Year - 2022 1,973,016   1,973,016   1,469,615
Amortized Cost Basis by Origination Year - 2021 1,621,189   1,621,189   660,041
Amortized Cost Basis by Origination Year - 2020 632,393   632,393   316,576
Amortized Cost Basis by Origination Year - 2019 298,104   298,104   188,758
Amortized Cost Basis by Origination Year - Prior 854,222   854,222   799,286
Total loans 6,208,862   6,208,862   5,131,301
Current-period gross charge-offs - 2023         25
Current-period gross charge-offs - 2020         6
Current-period gross charge-offs - 2019         23
Current-period gross charge-offs - Prior         66
Current-period gross charge-offs - Total         120
Consumer portfolio loans | Consumer Owner Occupied Loans | Current due          
Loans          
Amortized Cost Basis by Origination Year - 2023 828,826   828,826   1,695,454
Amortized Cost Basis by Origination Year - 2022 1,968,603   1,968,603   1,467,080
Amortized Cost Basis by Origination Year - 2021 1,618,466   1,618,466   657,005
Amortized Cost Basis by Origination Year - 2020 630,494   630,494   315,458
Amortized Cost Basis by Origination Year - 2019 297,347   297,347   187,580
Amortized Cost Basis by Origination Year - Prior 847,666   847,666   792,572
Total loans 6,191,402   6,191,402   5,115,149
Consumer portfolio loans | Consumer Owner Occupied Loans | 30 days past due          
Loans          
Amortized Cost Basis by Origination Year - 2023 515   515   1,316
Amortized Cost Basis by Origination Year - 2022 1,396   1,396   1,254
Amortized Cost Basis by Origination Year - 2021 1,665   1,665   1,681
Amortized Cost Basis by Origination Year - 2020 657   657   664
Amortized Cost Basis by Origination Year - 2019 239   239   272
Amortized Cost Basis by Origination Year - Prior 1,914   1,914   2,028
Total loans 6,386   6,386   7,215
Consumer portfolio loans | Consumer Owner Occupied Loans | 60 days past due          
Loans          
Amortized Cost Basis by Origination Year - 2023 597   597   255
Amortized Cost Basis by Origination Year - 2022 1,047   1,047   337
Amortized Cost Basis by Origination Year - 2021 493   493   579
Amortized Cost Basis by Origination Year - 2020 143   143    
Amortized Cost Basis by Origination Year - 2019 202   202   242
Amortized Cost Basis by Origination Year - Prior 1,239   1,239   1,650
Total loans 3,721   3,721   3,063
Consumer portfolio loans | Consumer Owner Occupied Loans | 90 days past due          
Loans          
Amortized Cost Basis by Origination Year - 2022 1,970   1,970   944
Amortized Cost Basis by Origination Year - 2021 565   565   776
Amortized Cost Basis by Origination Year - 2020 1,099   1,099   454
Amortized Cost Basis by Origination Year - 2019 316   316   664
Amortized Cost Basis by Origination Year - Prior 3,403   3,403   3,036
Total loans 7,353   7,353   5,874
Consumer portfolio loans | Home equity loans          
Loans          
Amortized Cost Basis by Origination Year - 2023 6,037   6,037   5,921
Amortized Cost Basis by Origination Year - 2022 6,188   6,188   5,231
Amortized Cost Basis by Origination Year - 2021 4,138   4,138   3,516
Amortized Cost Basis by Origination Year - 2020 2,442   2,442   1,760
Amortized Cost Basis by Origination Year - 2019 846   846   2,443
Amortized Cost Basis by Origination Year - Prior 14,392   14,392   19,000
Amortized Cost Basis by Origination Year - Revolving 1,315,054   1,315,054   1,275,297
Total loans 1,349,097   1,349,097   1,313,168
Current-period gross charge-offs - 2020     39   19
Current-period gross charge-offs - Prior     29   280
Current-period gross charge-offs - Revolving     59   146
Current-period gross charge-offs - Total     127   445
Consumer portfolio loans | Home equity loans | Current due          
Loans          
Amortized Cost Basis by Origination Year - 2023 5,918   5,918   5,921
Amortized Cost Basis by Origination Year - 2022 6,092   6,092   5,231
Amortized Cost Basis by Origination Year - 2021 3,941   3,941   3,282
Amortized Cost Basis by Origination Year - 2020 2,250   2,250   1,560
Amortized Cost Basis by Origination Year - 2019 553   553   1,955
Amortized Cost Basis by Origination Year - Prior 12,740   12,740   17,941
Amortized Cost Basis by Origination Year - Revolving 1,311,305   1,311,305   1,272,848
Total loans 1,342,799   1,342,799   1,308,738
Consumer portfolio loans | Home equity loans | 30 days past due          
Loans          
Amortized Cost Basis by Origination Year - 2023 119   119    
Amortized Cost Basis by Origination Year - 2022 47   47    
Amortized Cost Basis by Origination Year - 2021 177   177   155
Amortized Cost Basis by Origination Year - 2020         77
Amortized Cost Basis by Origination Year - 2019 205   205   418
Amortized Cost Basis by Origination Year - Prior 733   733   422
Amortized Cost Basis by Origination Year - Revolving 2,708   2,708   1,586
Total loans 3,989   3,989   2,658
Consumer portfolio loans | Home equity loans | 60 days past due          
Loans          
Amortized Cost Basis by Origination Year - 2021 20   20   19
Amortized Cost Basis by Origination Year - 2020         36
Amortized Cost Basis by Origination Year - 2019 87   87   70
Amortized Cost Basis by Origination Year - Prior 543   543   26
Amortized Cost Basis by Origination Year - Revolving 688   688   540
Total loans 1,338   1,338   691
Consumer portfolio loans | Home equity loans | 90 days past due          
Loans          
Amortized Cost Basis by Origination Year - 2022 49   49    
Amortized Cost Basis by Origination Year - 2021         60
Amortized Cost Basis by Origination Year - 2020 192   192   87
Amortized Cost Basis by Origination Year - 2019 1   1    
Amortized Cost Basis by Origination Year - Prior 376   376   611
Amortized Cost Basis by Origination Year - Revolving 353   353   323
Total loans 971   971   1,081
Consumer portfolio loans | Consumer loans          
Loans          
Amortized Cost Basis by Origination Year - 2023 261,027   261,027   408,724
Amortized Cost Basis by Origination Year - 2022 329,617   329,617   206,360
Amortized Cost Basis by Origination Year - 2021 155,683   155,683   111,453
Amortized Cost Basis by Origination Year - 2020 82,635   82,635   86,284
Amortized Cost Basis by Origination Year - 2019 66,034   66,034   44,675
Amortized Cost Basis by Origination Year - Prior 155,914   155,914   144,525
Amortized Cost Basis by Origination Year - Revolving 207,168   207,168   276,405
Total loans 1,258,078   1,258,078   1,278,426
Current-period gross charge-offs - 2023     213   254
Current-period gross charge-offs - 2022     1,190   653
Current-period gross charge-offs - 2021     379   337
Current-period gross charge-offs - 2020     250   265
Current-period gross charge-offs - 2019     162   62
Current-period gross charge-offs - Prior     403   664
Current-period gross charge-offs - Revolving     6,278   7,979
Current-period gross charge-offs - Total     8,875   10,214
Consumer portfolio loans | Consumer loans | Current due          
Loans          
Amortized Cost Basis by Origination Year - 2023 260,764   260,764   407,825
Amortized Cost Basis by Origination Year - 2022 328,849   328,849   206,003
Amortized Cost Basis by Origination Year - 2021 155,263   155,263   111,210
Amortized Cost Basis by Origination Year - 2020 82,260   82,260   86,008
Amortized Cost Basis by Origination Year - 2019 65,734   65,734   44,303
Amortized Cost Basis by Origination Year - Prior 152,306   152,306   141,053
Amortized Cost Basis by Origination Year - Revolving 186,659   186,659   248,314
Total loans 1,231,835   1,231,835   1,244,716
Consumer portfolio loans | Consumer loans | 30 days past due          
Loans          
Amortized Cost Basis by Origination Year - 2023 192   192   718
Amortized Cost Basis by Origination Year - 2022 262   262   194
Amortized Cost Basis by Origination Year - 2021 199   199   78
Amortized Cost Basis by Origination Year - 2020 273   273   174
Amortized Cost Basis by Origination Year - 2019 170   170   63
Amortized Cost Basis by Origination Year - Prior 1,313   1,313   1,255
Amortized Cost Basis by Origination Year - Revolving 12,262   12,262   17,471
Total loans 14,671   14,671   19,953
Consumer portfolio loans | Consumer loans | 60 days past due          
Loans          
Amortized Cost Basis by Origination Year - 2023 68   68   55
Amortized Cost Basis by Origination Year - 2022 270   270   103
Amortized Cost Basis by Origination Year - 2021 65   65   107
Amortized Cost Basis by Origination Year - 2020 84   84   36
Amortized Cost Basis by Origination Year - 2019 3   3   144
Amortized Cost Basis by Origination Year - Prior 1,054   1,054   557
Amortized Cost Basis by Origination Year - Revolving 6,724   6,724   9,836
Total loans 8,268   8,268   10,838
Consumer portfolio loans | Consumer loans | 90 days past due          
Loans          
Amortized Cost Basis by Origination Year - 2023 3   3   126
Amortized Cost Basis by Origination Year - 2022 236   236   60
Amortized Cost Basis by Origination Year - 2021 156   156   58
Amortized Cost Basis by Origination Year - 2020 18   18   66
Amortized Cost Basis by Origination Year - 2019 127   127   165
Amortized Cost Basis by Origination Year - Prior 1,241   1,241   1,660
Amortized Cost Basis by Origination Year - Revolving 1,523   1,523   784
Total loans $ 3,304   $ 3,304   $ 2,919