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Allowance for Credit Losses - Credit Quality Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 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 $ 14,241,370   $ 14,241,370   $ 14,353,497
Current period gross charge-offs:          
Total, Current period gross charge-offs 5,770 $ 4,449 16,392 $ 15,929  
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 135,131   135,131   278,361
2023/2022 257,739   257,739   656,256
2022/2021 631,917   631,917   1,169,793
2021/2020 1,121,668   1,121,668   633,900
2020/2019 603,533   603,533   283,560
Prior 1,428,967   1,428,967   1,251,365
Revolving Loans Amortized Cost Basis 8,105   8,105   10,080
Financing Receivable, before Allowance for Credit Loss, Total 4,187,060   4,187,060   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 113,307   113,307   211,598
2023/2022 206,224   206,224   529,296
2022/2021 504,141   504,141   999,522
2021/2020 956,983   956,983   529,881
2020/2019 503,160   503,160   227,058
Prior 1,129,857   1,129,857   987,251
Financing Receivable, before Allowance for Credit Loss, Total 3,413,672   3,413,672   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 11,614   11,614   36,975
2023/2022 28,638   28,638   67,205
2022/2021 65,128   65,128   117,337
2021/2020 109,018   109,018   68,122
2020/2019 66,719   66,719   33,148
Prior 157,263   157,263   130,387
Financing Receivable, before Allowance for Credit Loss, Total 438,380   438,380   453,174
Real Estate Loan [Member] | 620 - 679          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 1,519   1,519   3,544
2023/2022 1,792   1,792   16,395
2022/2021 22,921   22,921   19,184
2021/2020 19,854   19,854   12,811
2020/2019 11,651   11,651   4,096
Prior 37,979   37,979   38,987
Financing Receivable, before Allowance for Credit Loss, Total 95,716   95,716   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 896   896   6,521
2022/2021 3,703   3,703   1,917
2021/2020 6,707   6,707   2,492
2020/2019 2,269   2,269   398
Prior 15,751   15,751   11,679
Financing Receivable, before Allowance for Credit Loss, Total 29,326   29,326   24,312
Real Estate Loan [Member] | Less than 550          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2023/2022 286   286    
2022/2021 2,380   2,380   2,909
2021/2020 3,818   3,818   2,017
2020/2019 2,959   2,959   582
Prior 5,569   5,569   6,439
Financing Receivable, before Allowance for Credit Loss, Total 15,012   15,012   11,947
Real Estate Loan [Member] | No Score          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 543   543   9,137
2023/2022 7,117   7,117   19,311
2022/2021 16,923   16,923   11,492
2021/2020 10,512   10,512   6,043
2020/2019 5,553   5,553   9,679
Prior 52,526   52,526   51,109
Financing Receivable, before Allowance for Credit Loss, Total 93,174   93,174   106,771
Real Estate Loan [Member] | Fico Other          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 8,148   8,148   15,802
2023/2022 12,786   12,786   17,528
2022/2021 16,721   16,721   17,432
2021/2020 14,776   14,776   12,534
2020/2019 11,222   11,222   8,599
Prior 30,022   30,022   25,513
Revolving Loans Amortized Cost Basis 8,105   8,105   10,080
Financing Receivable, before Allowance for Credit Loss, Total 101,780   101,780   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 1,154,819   1,154,819   1,168,856
Revolving Loans Converted to Term Loans Amortized Cost Basis 5,004   5,004   5,732
Financing Receivable, before Allowance for Credit Loss, Total 1,159,823   1,159,823   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 930,909   930,909   964,932
Revolving Loans Converted to Term Loans Amortized Cost Basis 1,730   1,730   1,511
Financing Receivable, before Allowance for Credit Loss, Total 932,639   932,639   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 167,097   167,097   151,716
Revolving Loans Converted to Term Loans Amortized Cost Basis 1,137   1,137   1,920
Financing Receivable, before Allowance for Credit Loss, Total 168,234   168,234   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 36,540   36,540   36,541
Revolving Loans Converted to Term Loans Amortized Cost Basis 985   985   1,189
Financing Receivable, before Allowance for Credit Loss, Total 37,525   37,525   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 14,514   14,514   9,896
Revolving Loans Converted to Term Loans Amortized Cost Basis 581   581   1,012
Financing Receivable, before Allowance for Credit Loss, Total 15,095   15,095   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 4,477   4,477   4,488
Revolving Loans Converted to Term Loans Amortized Cost Basis 571   571   100
Financing Receivable, before Allowance for Credit Loss, Total 5,048   5,048   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 1,282   1,282   1,283
Financing Receivable, before Allowance for Credit Loss, Total 1,282   1,282   1,283
Total loans          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 718,931   718,931   1,243,109
2023/2022 1,216,434   1,216,434   2,491,897
2022/2021 2,344,271   2,344,271   2,678,220
2021/2020 2,433,415   2,433,415   1,169,781
2020/2019 1,076,972   1,076,972   1,122,038
Prior 3,667,076   3,667,076   2,950,761
Revolving Loans Amortized Cost Basis 2,755,052   2,755,052   2,685,919
Revolving Loans Converted to Term Loans Amortized Cost Basis 29,219   29,219   11,772
Financing Receivable, before Allowance for Credit Loss, Total 14,241,370   14,241,370   14,353,497
Current period gross charge-offs:          
2024, Current period gross charge-offs     385   769
2023, Current period gross charge-offs     1,981   2,470
2022, Current period gross charge-offs     2,440   2,210
2021, Current period gross charge-offs     1,174   1,229
2020, Current period gross charge-offs     739   4,484
Prior, Current period gross charge-offs     4,177   5,696
Revolving Loans Amortized Cost Basis, Current period gross charge-offs     4,952   6,063
Revolving Loans Converted to Term Loans Amortized Cost Basis, Current period gross charge-offs     544   585
Total, Current period gross charge-offs     16,392   23,506
Residential mortgage          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 135,131   135,131    
2023/2022 257,739   257,739    
2022/2021 631,917   631,917    
2021/2020 1,121,668   1,121,668    
2020/2019 603,533   603,533    
Prior 1,428,967   1,428,967    
Revolving Loans Amortized Cost Basis 1,162,924   1,162,924    
Revolving Loans Converted to Term Loans Amortized Cost Basis 5,004   5,004    
Financing Receivable, before Allowance for Credit Loss, Total 5,346,883   5,346,883    
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 4,187,060   4,187,060   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 1,159,823   1,159,823   1,174,588
Consumer          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 152,129   152,129   198,207
2023/2022 154,425   154,425   246,444
2022/2021 182,666   182,666   144,576
2021/2020 99,319   99,319   66,514
2020/2019 38,415   38,415   51,677
Prior 30,852   30,852   24,321
Revolving Loans Amortized Cost Basis 369,179   369,179   375,309
Revolving Loans Converted to Term Loans Amortized Cost Basis 3,059   3,059   2,853
Financing Receivable, before Allowance for Credit Loss, Total 1,030,044   1,030,044   1,109,901
Current period gross charge-offs:          
2024, Current period gross charge-offs     385   639
2023, Current period gross charge-offs     1,403   2,400
2022, Current period gross charge-offs     2,107   2,135
2021, Current period gross charge-offs     1,085   1,142
2020, Current period gross charge-offs     518   1,816
Prior, Current period gross charge-offs     2,234   2,622
Revolving Loans Amortized Cost Basis, Current period gross charge-offs     4,952   5,790
Revolving Loans Converted to Term Loans Amortized Cost Basis, Current period gross charge-offs     544   566
Total, Current period gross charge-offs 4,192 3,665 13,228 12,963 17,110
Consumer | 740 and greater          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 71,777   71,777   92,117
2023/2022 71,423   71,423   128,358
2022/2021 94,710   94,710   76,148
2021/2020 51,952   51,952   33,507
2020/2019 18,512   18,512   21,819
Prior 10,435   10,435   8,970
Revolving Loans Amortized Cost Basis 121,278   121,278   123,592
Revolving Loans Converted to Term Loans Amortized Cost Basis 128   128   155
Financing Receivable, before Allowance for Credit Loss, Total 440,215   440,215   484,666
Consumer | 680 - 739          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 51,651   51,651   68,865
2023/2022 51,667   51,667   71,031
2022/2021 49,864   49,864   37,925
2021/2020 23,959   23,959   17,116
2020/2019 9,995   9,995   13,270
Prior 7,497   7,497   5,690
Revolving Loans Amortized Cost Basis 77,278   77,278   76,645
Revolving Loans Converted to Term Loans Amortized Cost Basis 525   525   401
Financing Receivable, before Allowance for Credit Loss, Total 272,436   272,436   290,943
Consumer | 620 - 679          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 21,223   21,223   28,533
2023/2022 20,604   20,604   29,229
2022/2021 21,700   21,700   16,919
2021/2020 12,515   12,515   7,843
2020/2019 5,155   5,155   7,972
Prior 5,577   5,577   4,624
Revolving Loans Amortized Cost Basis 35,665   35,665   35,210
Revolving Loans Converted to Term Loans Amortized Cost Basis 851   851   781
Financing Receivable, before Allowance for Credit Loss, Total 123,290   123,290   131,111
Consumer | 550 - 619          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 4,116   4,116   4,996
2023/2022 7,348   7,348   10,859
2022/2021 9,802   9,802   7,760
2021/2020 5,983   5,983   4,917
2020/2019 2,862   2,862   4,651
Prior 3,862   3,862   2,986
Revolving Loans Amortized Cost Basis 12,674   12,674   13,223
Revolving Loans Converted to Term Loans Amortized Cost Basis 825   825   925
Financing Receivable, before Allowance for Credit Loss, Total 47,472   47,472   50,317
Consumer | Less than 550          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 1,071   1,071   1,790
2023/2022 3,266   3,266   6,370
2022/2021 6,247   6,247   4,842
2021/2020 3,999   3,999   2,796
2020/2019 1,783   1,783   2,905
Prior 2,492   2,492   2,040
Revolving Loans Amortized Cost Basis 4,836   4,836   5,222
Revolving Loans Converted to Term Loans Amortized Cost Basis 525   525   455
Financing Receivable, before Allowance for Credit Loss, Total 24,219   24,219   26,420
Consumer | No Score          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 2,291   2,291   1,545
2023/2022 117   117   229
2022/2021 47   47    
2020/2019 7   7   1
Prior 8   8   10
Revolving Loans Amortized Cost Basis 42,658   42,658   42,933
Revolving Loans Converted to Term Loans Amortized Cost Basis 205   205   136
Financing Receivable, before Allowance for Credit Loss, Total 45,333   45,333   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 296   296   982
2021/2020 911   911   335
2020/2019 101   101   1,059
Prior 981   981   1
Revolving Loans Amortized Cost Basis 74,790   74,790   78,484
Financing Receivable, before Allowance for Credit Loss, Total 77,079   77,079   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 111,274   111,274   101,818
2023/2022 92,718   92,718   329,672
2022/2021 215,218   215,218   351,148
2021/2020 260,338   260,338   36,453
2020/2019 22,674   22,674   151,313
Prior 271,847   271,847   144,925
Revolving Loans Amortized Cost Basis 1,122,612   1,122,612   1,048,183
Revolving Loans Converted to Term Loans Amortized Cost Basis 13,396   13,396   1,837
Financing Receivable, before Allowance for Credit Loss, Total 2,110,077   2,110,077   2,165,349
Current period gross charge-offs:          
2024, Current period gross charge-offs         130
2023, Current period gross charge-offs     578   70
2022, Current period gross charge-offs     333   75
2021, Current period gross charge-offs     89   87
2020, Current period gross charge-offs     221   168
Prior, Current period gross charge-offs     1,543   2,952
Total, Current period gross charge-offs 1,178 $ 784 2,764 $ 2,572 3,482
Commercial and Industrial | Pass [Member]          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 100,174   100,174   85,839
2023/2022 82,175   82,175   273,663
2022/2021 191,861   191,861   346,024
2021/2020 256,997   256,997   32,753
2020/2019 20,866   20,866   146,893
Prior 266,720   266,720   141,681
Revolving Loans Amortized Cost Basis 1,026,457   1,026,457   971,065
Revolving Loans Converted to Term Loans Amortized Cost Basis 13,396   13,396   1,823
Financing Receivable, before Allowance for Credit Loss, Total 1,958,646   1,958,646   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 303   303   1
2023/2022 1   1   44,069
2022/2021 7,327   7,327   80
2021/2020 48   48   653
2020/2019 398   398   1,032
Prior 1,371   1,371   1,290
Revolving Loans Amortized Cost Basis 18,239   18,239   22,807
Revolving Loans Converted to Term Loans Amortized Cost Basis         14
Financing Receivable, before Allowance for Credit Loss, Total 27,687   27,687   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 8,251   8,251   230
2021/2020 219   219   677
2020/2019 358   358   1,686
Prior 2,033   2,033   829
Revolving Loans Amortized Cost Basis 32,296   32,296   8,330
Financing Receivable, before Allowance for Credit Loss, Total 43,157   43,157   12,094
Commercial and Industrial | Other Indicator          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 10,797   10,797   15,978
2023/2022 10,542   10,542   11,598
2022/2021 7,779   7,779   4,814
2021/2020 3,074   3,074   2,370
2020/2019 1,052   1,052   1,702
Prior 1,723   1,723   1,125
Revolving Loans Amortized Cost Basis 45,620   45,620   45,981
Financing Receivable, before Allowance for Credit Loss, Total 80,587   80,587   83,568
Commercial Real Estate Portfolio Segment [Member]          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 122,471   122,471   348,881
2023/2022 349,741   349,741   885,480
2022/2021 873,267   873,267   719,685
2021/2020 691,520   691,520   338,888
2020/2019 329,193   329,193   539,949
Prior 1,796,185   1,796,185   1,429,298
Revolving Loans Amortized Cost Basis 95,152   95,152   76,712
Revolving Loans Converted to Term Loans Amortized Cost Basis 7,760   7,760   1,350
Financing Receivable, before Allowance for Credit Loss, Total 4,265,289   4,265,289   4,340,243
Current period gross charge-offs:          
2020, Current period gross charge-offs         2,500
Prior, Current period gross charge-offs     400    
Total, Current period gross charge-offs 400   400   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 118,884   118,884   346,369
2023/2022 347,480   347,480   872,783
2022/2021 810,746   810,746   676,362
2021/2020 649,133   649,133   337,529
2020/2019 325,887   325,887   523,446
Prior 1,774,529   1,774,529   1,414,613
Revolving Loans Amortized Cost Basis 87,188   87,188   74,238
Revolving Loans Converted to Term Loans Amortized Cost Basis 7,760   7,760   1,350
Financing Receivable, before Allowance for Credit Loss, Total 4,121,607   4,121,607   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 3,587   3,587   2,307
2023/2022 2,261   2,261   7,618
2022/2021 7,537   7,537   41,320
2021/2020 41,384   41,384   1,359
2020/2019 3,306   3,306   13,550
Prior 11,973   11,973   11,998
Revolving Loans Amortized Cost Basis 7,815   7,815   819
Financing Receivable, before Allowance for Credit Loss, Total 77,863   77,863   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 54,984   54,984   2,003
2021/2020 1,003   1,003    
2020/2019         2,953
Prior 9,548   9,548   2,545
Revolving Loans Amortized Cost Basis 149   149   1,655
Financing Receivable, before Allowance for Credit Loss, Total 65,684   65,684   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 135   135   142
Financing Receivable, before Allowance for Credit Loss, Total 135   135   142
Construction          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 66,647   66,647   169,160
2023/2022 255,644   255,644   290,659
2022/2021 373,996   373,996   273,924
2021/2020 244,787   244,787   62,200
2020/2019 60,019   60,019   65,238
Prior 49,971   49,971   32,332
Revolving Loans Amortized Cost Basis 5,185   5,185   6,779
Financing Receivable, before Allowance for Credit Loss, Total 1,056,249   1,056,249   900,292
Construction | Pass [Member]          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 61,677   61,677   156,432
2023/2022 246,176   246,176   269,623
2022/2021 361,974   361,974   265,674
2021/2020 241,212   241,212   60,057
2020/2019 58,820   58,820   63,018
Prior 46,344   46,344   27,847
Revolving Loans Amortized Cost Basis 4,484   4,484   6,070
Financing Receivable, before Allowance for Credit Loss, Total 1,020,687   1,020,687   848,721
Construction | Special Mention [Member]          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2020/2019         189
Prior 164   164   665
Financing Receivable, before Allowance for Credit Loss, Total 164   164   854
Construction | Other Indicator          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 4,970   4,970   12,728
2023/2022 9,468   9,468   21,036
2022/2021 12,022   12,022   8,250
2021/2020 3,575   3,575   2,143
2020/2019 1,199   1,199   2,031
Prior 3,463   3,463   3,820
Revolving Loans Amortized Cost Basis 701   701   709
Financing Receivable, before Allowance for Credit Loss, Total 35,398   35,398   50,717
Finance Leases Portfolio Segment [Member]          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 131,279   131,279   146,682
2023/2022 106,167   106,167   83,386
2022/2021 67,207   67,207   19,094
2021/2020 15,783   15,783   31,826
2020/2019 23,138   23,138   30,301
Prior 89,254   89,254   68,520
Financing Receivable, before Allowance for Credit Loss, Total 432,828   432,828   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 126,380   126,380   145,914
2023/2022 105,523   105,523   82,833
2022/2021 66,764   66,764   18,680
2021/2020 15,483   15,483   31,791
2020/2019 23,133   23,133   30,299
Prior 89,254   89,254   68,520
Financing Receivable, before Allowance for Credit Loss, Total 426,537   426,537   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 42   42   137
2022/2021 100   100   414
2021/2020 300   300   35
2020/2019 5   5    
Financing Receivable, before Allowance for Credit Loss, Total 447   447   642
Finance Leases Portfolio Segment [Member] | Substandard [Member]          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 4,899   4,899   712
2023/2022 602   602   416
2022/2021 343   343    
2020/2019         2
Financing Receivable, before Allowance for Credit Loss, Total 5,844   5,844   1,130
Commercial Portfolio Segment [Member]          
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]          
2024/2023 431,671   431,671   766,541
2023/2022 804,270   804,270   1,589,197
2022/2021 1,529,688   1,529,688   1,363,851
2021/2020 1,212,428   1,212,428   469,367
2020/2019 435,024   435,024   786,801
Prior 2,207,257   2,207,257   1,675,075
Revolving Loans Amortized Cost Basis 1,222,949   1,222,949   1,131,674
Revolving Loans Converted to Term Loans Amortized Cost Basis 21,156   21,156   3,187
Financing Receivable, before Allowance for Credit Loss, Total $ 7,864,443   7,864,443   7,785,693
Current period gross charge-offs:          
2024, Current period gross charge-offs         130
2023, Current period gross charge-offs     578   70
2022, Current period gross charge-offs     333   75
2021, Current period gross charge-offs     89   87
2020, Current period gross charge-offs     221   2,668
Prior, Current period gross charge-offs     1,943   2,952
Total, Current period gross charge-offs     $ 3,164   $ 5,982