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Allowance for Credit Losses - Credit Quality Information (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
Financing Receivable, before Allowance for Credit Loss, Total $ 14,359,899   $ 14,359,899   $ 14,353,497
Current period gross charge-offs:          
Total, Current period gross charge-offs 4,859 $ 5,650 10,622 $ 11,480  
Unlikely to be Collected Financing Receivable [Member]          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
Financing Receivable, before Allowance for Credit Loss, Total 0   0   0
Real Estate Loan [Member]          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 88,908   88,908   278,361
2023/2022 263,543   263,543   656,256
2022/2021 642,020   642,020   1,169,793
2021/2020 1,138,921   1,138,921   633,900
2020/2019 613,259   613,259   283,560
Prior 1,457,454   1,457,454   1,251,365
Revolving Loans Amortized Cost Basis 12,311   12,311   10,080
Financing Receivable, before Allowance for Credit Loss, Total 4,216,416   4,216,416   4,283,315
Real Estate Loan [Member] | 740 and greater          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 70,514   70,514   211,598
2023/2022 210,915   210,915   529,296
2022/2021 514,686   514,686   999,522
2021/2020 975,554   975,554   529,881
2020/2019 505,850   505,850   227,058
Prior 1,165,042   1,165,042   987,251
Financing Receivable, before Allowance for Credit Loss, Total 3,442,561   3,442,561   3,484,606
Real Estate Loan [Member] | 680 - 739          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 9,653   9,653   36,975
2023/2022 27,661   27,661   67,205
2022/2021 64,910   64,910   117,337
2021/2020 109,306   109,306   68,122
2020/2019 68,491   68,491   33,148
Prior 150,793   150,793   130,387
Financing Receivable, before Allowance for Credit Loss, Total 430,814   430,814   453,174
Real Estate Loan [Member] | 620 - 679          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 813   813   3,544
2023/2022 1,619   1,619   16,395
2022/2021 18,125   18,125   19,184
2021/2020 20,117   20,117   12,811
2020/2019 16,097   16,097   4,096
Prior 35,943   35,943   38,987
Financing Receivable, before Allowance for Credit Loss, Total 92,714   92,714   95,017
Real Estate Loan [Member] | 550 - 619          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023         1,305
2023/2022 2,045   2,045   6,521
2022/2021 6,336   6,336   1,917
2021/2020 3,822   3,822   2,492
2020/2019 2,853   2,853   398
Prior 12,349   12,349   11,679
Financing Receivable, before Allowance for Credit Loss, Total 27,405   27,405   24,312
Real Estate Loan [Member] | Less than 550          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2022/2021 2,689   2,689   2,909
2021/2020 3,939   3,939   2,017
2020/2019 2,833   2,833   582
Prior 8,662   8,662   6,439
Financing Receivable, before Allowance for Credit Loss, Total 18,123   18,123   11,947
Real Estate Loan [Member] | No Score          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 544   544   9,137
2023/2022 8,300   8,300   19,311
2022/2021 18,472   18,472   11,492
2021/2020 10,601   10,601   6,043
2020/2019 5,804   5,804   9,679
Prior 54,420   54,420   51,109
Financing Receivable, before Allowance for Credit Loss, Total 98,141   98,141   106,771
Real Estate Loan [Member] | Fico Other          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 7,384   7,384   15,802
2023/2022 13,003   13,003   17,528
2022/2021 16,802   16,802   17,432
2021/2020 15,582   15,582   12,534
2020/2019 11,331   11,331   8,599
Prior 30,245   30,245   25,513
Revolving Loans Amortized Cost Basis 12,311   12,311   10,080
Financing Receivable, before Allowance for Credit Loss, Total 106,658   106,658   107,488
Residential Lending: Home Equity Line          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
Revolving Loans Amortized Cost Basis 1,154,437   1,154,437   1,168,856
Revolving Loans Converted to Term Loans Amortized Cost Basis 5,396   5,396   5,732
Financing Receivable, before Allowance for Credit Loss, Total 1,159,833   1,159,833   1,174,588
Residential Lending: Home Equity Line | 740 and greater          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
Revolving Loans Amortized Cost Basis 937,349   937,349   964,932
Revolving Loans Converted to Term Loans Amortized Cost Basis 1,244   1,244   1,511
Financing Receivable, before Allowance for Credit Loss, Total 938,593   938,593   966,443
Residential Lending: Home Equity Line | 680 - 739          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
Revolving Loans Amortized Cost Basis 158,877   158,877   151,716
Revolving Loans Converted to Term Loans Amortized Cost Basis 1,713   1,713   1,920
Financing Receivable, before Allowance for Credit Loss, Total 160,590   160,590   153,636
Residential Lending: Home Equity Line | 620 - 679          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
Revolving Loans Amortized Cost Basis 38,362   38,362   36,541
Revolving Loans Converted to Term Loans Amortized Cost Basis 1,362   1,362   1,189
Financing Receivable, before Allowance for Credit Loss, Total 39,724   39,724   37,730
Residential Lending: Home Equity Line | 550 - 619          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
Revolving Loans Amortized Cost Basis 13,065   13,065   9,896
Revolving Loans Converted to Term Loans Amortized Cost Basis 457   457   1,012
Financing Receivable, before Allowance for Credit Loss, Total 13,522   13,522   10,908
Residential Lending: Home Equity Line | Less than 550          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
Revolving Loans Amortized Cost Basis 5,455   5,455   4,488
Revolving Loans Converted to Term Loans Amortized Cost Basis 620   620   100
Financing Receivable, before Allowance for Credit Loss, Total 6,075   6,075   4,588
Residential Lending: Home Equity Line | No Score          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
Revolving Loans Amortized Cost Basis 1,329   1,329   1,283
Financing Receivable, before Allowance for Credit Loss, Total 1,329   1,329   1,283
Total loans          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 501,638   501,638   1,243,109
2023/2022 1,207,501   1,207,501   2,491,897
2022/2021 2,411,028   2,411,028   2,678,220
2021/2020 2,530,550   2,530,550   1,169,781
2020/2019 1,106,829   1,106,829   1,122,038
Prior 3,761,270   3,761,270   2,950,761
Revolving Loans Amortized Cost Basis 2,822,531   2,822,531   2,685,919
Revolving Loans Converted to Term Loans Amortized Cost Basis 18,552   18,552   11,772
Financing Receivable, before Allowance for Credit Loss, Total 14,359,899   14,359,899   14,353,497
Current period gross charge-offs:          
2024, Current period gross charge-offs         769
2023, Current period gross charge-offs     1,157   2,470
2022, Current period gross charge-offs     1,756   2,210
2021, Current period gross charge-offs     861   1,229
2020, Current period gross charge-offs     397   4,484
Prior, Current period gross charge-offs     2,409   5,696
Revolving Loans Amortized Cost Basis, Current period gross charge-offs     3,652   6,063
Revolving Loans Converted to Term Loans Amortized Cost Basis, Current period gross charge-offs     390   585
Total, Current period gross charge-offs     10,622   23,506
Residential mortgage          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 88,908   88,908    
2023/2022 263,543   263,543    
2022/2021 642,020   642,020    
2021/2020 1,138,921   1,138,921    
2020/2019 613,259   613,259    
Prior 1,457,454   1,457,454    
Revolving Loans Amortized Cost Basis 1,166,748   1,166,748    
Revolving Loans Converted to Term Loans Amortized Cost Basis 5,396   5,396    
Financing Receivable, before Allowance for Credit Loss, Total 5,376,249   5,376,249    
Current period gross charge-offs:          
Prior, Current period gross charge-offs         122
Revolving Loans Amortized Cost Basis, Current period gross charge-offs         273
Revolving Loans Converted to Term Loans Amortized Cost Basis, Current period gross charge-offs         19
Total, Current period gross charge-offs       122 414
Residential mortgage | Real Estate Loan [Member]          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
Financing Receivable, before Allowance for Credit Loss, Total 4,216,416   4,216,416   4,283,315
Residential mortgage | Residential Lending: Home Equity Line          
Current period gross charge-offs:          
Revolving Loans Amortized Cost Basis, Current period gross charge-offs         273
Revolving Loans Converted to Term Loans Amortized Cost Basis, Current period gross charge-offs         19
Total, Current period gross charge-offs         292
Home equity Line | Residential Lending: Home Equity Line          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
Financing Receivable, before Allowance for Credit Loss, Total 1,159,833   1,159,833   1,174,588
Consumer          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 86,529   86,529   198,207
2023/2022 169,317   169,317   246,444
2022/2021 204,196   204,196   144,576
2021/2020 113,720   113,720   66,514
2020/2019 47,675   47,675   51,677
Prior 43,345   43,345   24,321
Revolving Loans Amortized Cost Basis 359,275   359,275   375,309
Revolving Loans Converted to Term Loans Amortized Cost Basis 3,047   3,047   2,853
Financing Receivable, before Allowance for Credit Loss, Total 1,027,104   1,027,104   1,109,901
Current period gross charge-offs:          
2024, Current period gross charge-offs         639
2023, Current period gross charge-offs     941   2,400
2022, Current period gross charge-offs     1,437   2,135
2021, Current period gross charge-offs     800   1,142
2020, Current period gross charge-offs     345   1,816
Prior, Current period gross charge-offs     1,471   2,622
Revolving Loans Amortized Cost Basis, Current period gross charge-offs     3,652   5,790
Revolving Loans Converted to Term Loans Amortized Cost Basis, Current period gross charge-offs     390   566
Total, Current period gross charge-offs 4,182 4,516 9,036 9,298 17,110
Consumer | 740 and greater          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 40,216   40,216   92,117
2023/2022 77,383   77,383   128,358
2022/2021 104,378   104,378   76,148
2021/2020 59,698   59,698   33,507
2020/2019 23,380   23,380   21,819
Prior 16,094   16,094   8,970
Revolving Loans Amortized Cost Basis 117,299   117,299   123,592
Revolving Loans Converted to Term Loans Amortized Cost Basis 154   154   155
Financing Receivable, before Allowance for Credit Loss, Total 438,602   438,602   484,666
Consumer | 680 - 739          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 29,906   29,906   68,865
2023/2022 57,534   57,534   71,031
2022/2021 58,142   58,142   37,925
2021/2020 28,100   28,100   17,116
2020/2019 12,379   12,379   13,270
Prior 10,584   10,584   5,690
Revolving Loans Amortized Cost Basis 75,643   75,643   76,645
Revolving Loans Converted to Term Loans Amortized Cost Basis 466   466   401
Financing Receivable, before Allowance for Credit Loss, Total 272,754   272,754   290,943
Consumer | 620 - 679          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 12,113   12,113   28,533
2023/2022 22,995   22,995   29,229
2022/2021 23,172   23,172   16,919
2021/2020 13,871   13,871   7,843
2020/2019 5,939   5,939   7,972
Prior 7,729   7,729   4,624
Revolving Loans Amortized Cost Basis 34,769   34,769   35,210
Revolving Loans Converted to Term Loans Amortized Cost Basis 777   777   781
Financing Receivable, before Allowance for Credit Loss, Total 121,365   121,365   131,111
Consumer | 550 - 619          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 1,882   1,882   4,996
2023/2022 7,706   7,706   10,859
2022/2021 11,366   11,366   7,760
2021/2020 6,837   6,837   4,917
2020/2019 3,455   3,455   4,651
Prior 4,719   4,719   2,986
Revolving Loans Amortized Cost Basis 13,096   13,096   13,223
Revolving Loans Converted to Term Loans Amortized Cost Basis 843   843   925
Financing Receivable, before Allowance for Credit Loss, Total 49,904   49,904   50,317
Consumer | Less than 550          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 682   682   1,790
2023/2022 3,242   3,242   6,370
2022/2021 6,673   6,673   4,842
2021/2020 4,278   4,278   2,796
2020/2019 2,189   2,189   2,905
Prior 3,189   3,189   2,040
Revolving Loans Amortized Cost Basis 5,249   5,249   5,222
Revolving Loans Converted to Term Loans Amortized Cost Basis 591   591   455
Financing Receivable, before Allowance for Credit Loss, Total 26,093   26,093   26,420
Consumer | No Score          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 1,730   1,730   1,545
2023/2022 457   457   229
2022/2021 135   135    
2020/2019 9   9   1
Prior 22   22   10
Revolving Loans Amortized Cost Basis 40,193   40,193   42,933
Revolving Loans Converted to Term Loans Amortized Cost Basis 216   216   136
Financing Receivable, before Allowance for Credit Loss, Total 42,762   42,762   44,854
Consumer | Fico Other          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023         361
2023/2022         368
2022/2021 330   330   982
2021/2020 936   936   335
2020/2019 324   324   1,059
Prior 1,008   1,008   1
Revolving Loans Amortized Cost Basis 73,026   73,026   78,484
Financing Receivable, before Allowance for Credit Loss, Total 75,624   75,624   81,590
Residential Mortgage [Member]          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023         278,361
2023/2022         656,256
2022/2021         1,169,793
2021/2020         633,900
2020/2019         283,560
Prior         1,251,365
Revolving Loans Amortized Cost Basis         1,178,936
Revolving Loans Converted to Term Loans Amortized Cost Basis         5,732
Financing Receivable, before Allowance for Credit Loss, Total         5,457,903
Residential Mortgage [Member] | Real Estate Loan [Member]          
Current period gross charge-offs:          
Prior, Current period gross charge-offs         122
Total, Current period gross charge-offs         122
Commercial and Industrial          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 75,984   75,984   101,818
2023/2022 100,460   100,460   329,672
2022/2021 253,868   253,868   351,148
2021/2020 280,752   280,752   36,453
2020/2019 26,233   26,233   151,313
Prior 279,725   279,725   144,925
Revolving Loans Amortized Cost Basis 1,188,469   1,188,469   1,048,183
Revolving Loans Converted to Term Loans Amortized Cost Basis 3,199   3,199   1,837
Financing Receivable, before Allowance for Credit Loss, Total 2,208,690   2,208,690   2,165,349
Current period gross charge-offs:          
2024, Current period gross charge-offs         130
2023, Current period gross charge-offs     216   70
2022, Current period gross charge-offs     319   75
2021, Current period gross charge-offs     61   87
2020, Current period gross charge-offs     52   168
Prior, Current period gross charge-offs     938   2,952
Total, Current period gross charge-offs 677 $ 997 1,586 $ 1,788 3,482
Commercial and Industrial | Pass [Member]          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 66,318   66,318   85,839
2023/2022 88,879   88,879   273,663
2022/2021 228,354   228,354   346,024
2021/2020 276,824   276,824   32,753
2020/2019 23,556   23,556   146,893
Prior 274,582   274,582   141,681
Revolving Loans Amortized Cost Basis 1,101,721   1,101,721   971,065
Revolving Loans Converted to Term Loans Amortized Cost Basis 3,199   3,199   1,823
Financing Receivable, before Allowance for Credit Loss, Total 2,063,433   2,063,433   1,999,741
Commercial and Industrial | Special Mention [Member]          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 315   315   1
2023/2022 1   1   44,069
2022/2021 10,547   10,547   80
2021/2020 54   54   653
2020/2019 564   564   1,032
Prior 1,313   1,313   1,290
Revolving Loans Amortized Cost Basis 18,727   18,727   22,807
Revolving Loans Converted to Term Loans Amortized Cost Basis         14
Financing Receivable, before Allowance for Credit Loss, Total 31,521   31,521   69,946
Commercial and Industrial | Substandard [Member]          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2023/2022         342
2022/2021 6,230   6,230   230
2021/2020 242   242   677
2020/2019 417   417   1,686
Prior 2,038   2,038   829
Revolving Loans Amortized Cost Basis 23,145   23,145   8,330
Financing Receivable, before Allowance for Credit Loss, Total 32,072   32,072   12,094
Commercial and Industrial | Other Indicator          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 9,351   9,351   15,978
2023/2022 11,580   11,580   11,598
2022/2021 8,737   8,737   4,814
2021/2020 3,632   3,632   2,370
2020/2019 1,696   1,696   1,702
Prior 1,792   1,792   1,125
Revolving Loans Amortized Cost Basis 44,876   44,876   45,981
Financing Receivable, before Allowance for Credit Loss, Total 81,664   81,664   83,568
Commercial Real Estate Portfolio Segment [Member]          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 101,400   101,400   348,881
2023/2022 349,418   349,418   885,480
2022/2021 875,614   875,614   719,685
2021/2020 718,628   718,628   338,888
2020/2019 333,090   333,090   539,949
Prior 1,823,424   1,823,424   1,429,298
Revolving Loans Amortized Cost Basis 96,533   96,533   76,712
Revolving Loans Converted to Term Loans Amortized Cost Basis 6,910   6,910   1,350
Financing Receivable, before Allowance for Credit Loss, Total 4,305,017   4,305,017   4,340,243
Current period gross charge-offs:          
2020, Current period gross charge-offs         2,500
Total, Current period gross charge-offs         2,500
Commercial Real Estate Portfolio Segment [Member] | Pass [Member]          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 98,062   98,062   346,369
2023/2022 347,143   347,143   872,783
2022/2021 863,033   863,033   676,362
2021/2020 676,256   676,256   337,529
2020/2019 331,737   331,737   523,446
Prior 1,798,626   1,798,626   1,414,613
Revolving Loans Amortized Cost Basis 89,069   89,069   74,238
Revolving Loans Converted to Term Loans Amortized Cost Basis 6,910   6,910   1,350
Financing Receivable, before Allowance for Credit Loss, Total 4,210,836   4,210,836   4,246,690
Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member]          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 3,338   3,338   2,307
2023/2022 2,275   2,275   7,618
2022/2021 7,565   7,565   41,320
2021/2020 41,369   41,369   1,359
2020/2019 1,353   1,353   13,550
Prior 19,329   19,329   11,998
Revolving Loans Amortized Cost Basis 6,965   6,965   819
Financing Receivable, before Allowance for Credit Loss, Total 82,194   82,194   78,971
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member]          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023         205
2023/2022         5,079
2022/2021 5,016   5,016   2,003
2021/2020 1,003   1,003    
2020/2019         2,953
Prior 5,331   5,331   2,545
Revolving Loans Amortized Cost Basis 499   499   1,655
Financing Receivable, before Allowance for Credit Loss, Total 11,849   11,849   14,440
Commercial Real Estate Portfolio Segment [Member] | Other Indicator          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
Prior 138   138   142
Financing Receivable, before Allowance for Credit Loss, Total 138   138   142
Construction          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 37,962   37,962   169,160
2023/2022 216,585   216,585   290,659
2022/2021 361,863   361,863   273,924
2021/2020 261,772   261,772   62,200
2020/2019 60,652   60,652   65,238
Prior 67,309   67,309   32,332
Revolving Loans Amortized Cost Basis 11,506   11,506   6,779
Financing Receivable, before Allowance for Credit Loss, Total 1,017,649   1,017,649   900,292
Construction | Pass [Member]          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 35,785   35,785   156,432
2023/2022 206,622   206,622   269,623
2022/2021 348,241   348,241   265,674
2021/2020 256,821   256,821   60,057
2020/2019 59,453   59,453   63,018
Prior 61,308   61,308   27,847
Revolving Loans Amortized Cost Basis 10,800   10,800   6,070
Financing Receivable, before Allowance for Credit Loss, Total 979,030   979,030   848,721
Construction | Special Mention [Member]          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2020/2019         189
Prior 825   825   665
Financing Receivable, before Allowance for Credit Loss, Total 825   825   854
Construction | Other Indicator          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 2,177   2,177   12,728
2023/2022 9,963   9,963   21,036
2022/2021 13,622   13,622   8,250
2021/2020 4,951   4,951   2,143
2020/2019 1,199   1,199   2,031
Prior 5,176   5,176   3,820
Revolving Loans Amortized Cost Basis 706   706   709
Financing Receivable, before Allowance for Credit Loss, Total 37,794   37,794   50,717
Finance Leases Portfolio Segment [Member]          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 110,855   110,855   146,682
2023/2022 108,178   108,178   83,386
2022/2021 73,467   73,467   19,094
2021/2020 16,757   16,757   31,826
2020/2019 25,920   25,920   30,301
Prior 90,013   90,013   68,520
Financing Receivable, before Allowance for Credit Loss, Total 425,190   425,190   379,809
Finance Leases Portfolio Segment [Member] | Pass [Member]          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 105,719   105,719   145,914
2023/2022 107,492   107,492   82,833
2022/2021 72,986   72,986   18,680
2021/2020 16,419   16,419   31,791
2020/2019 25,908   25,908   30,299
Prior 90,013   90,013   68,520
Financing Receivable, before Allowance for Credit Loss, Total 418,537   418,537   378,037
Finance Leases Portfolio Segment [Member] | Special Mention [Member]          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023         56
2023/2022 47   47   137
2022/2021 113   113   414
2021/2020 338   338   35
2020/2019 12   12    
Financing Receivable, before Allowance for Credit Loss, Total 510   510   642
Finance Leases Portfolio Segment [Member] | Substandard [Member]          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 5,136   5,136   712
2023/2022 639   639   416
2022/2021 368   368    
2020/2019         2
Financing Receivable, before Allowance for Credit Loss, Total 6,143   6,143   1,130
Commercial Portfolio Segment [Member]          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 326,201   326,201   766,541
2023/2022 774,641   774,641   1,589,197
2022/2021 1,564,812   1,564,812   1,363,851
2021/2020 1,277,909   1,277,909   469,367
2020/2019 445,895   445,895   786,801
Prior 2,260,471   2,260,471   1,675,075
Revolving Loans Amortized Cost Basis 1,296,508   1,296,508   1,131,674
Revolving Loans Converted to Term Loans Amortized Cost Basis 10,109   10,109   3,187
Financing Receivable, before Allowance for Credit Loss, Total $ 7,956,546   7,956,546   7,785,693
Current period gross charge-offs:          
2024, Current period gross charge-offs         130
2023, Current period gross charge-offs     216   70
2022, Current period gross charge-offs     319   75
2021, Current period gross charge-offs     61   87
2020, Current period gross charge-offs     52   2,668
Prior, Current period gross charge-offs     938   2,952
Total, Current period gross charge-offs     $ 1,586   $ 5,982