XML 66 R46.htm IDEA: XBRL DOCUMENT v3.25.1
Loans - Schedule of Amortized Costs by Segment of Loans by Risk Category and Origination Date (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year $ 362,325   $ 858,795
Year before current fiscal year 828,120   691,462
Two years before current fiscal year 1,107,343   1,374,330
Three years before current year 875,115   735,401
Four years before current fiscal year 607,419   515,665
Prior 1,416,841   985,638
Revolving Loans Converted to Term 122,021   129,347
Revolving 1,164,824   1,085,719
Total 6,484,008   6,376,357
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]      
Current fiscal year, writeoffs 0   3
Year before current fiscal year, writeoffs 0   10
Two years before current fiscal year, writeoffs 58   6
Three years before current year, writeoffs 6   19,723
Four years before current fiscal year, writeoffs 409   686
Prior 241   291
Revolving Loans Converted to Term 0   645
Revolving 98   330
Total 812 $ 17,506 21,694
Pass      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 362,086   855,911
Year before current fiscal year 826,194   633,309
Two years before current fiscal year 1,035,748   1,214,721
Three years before current year 714,781   641,036
Four years before current fiscal year 527,078   477,210
Prior 1,321,059   915,095
Revolving Loans Converted to Term 114,052   117,352
Revolving 1,096,408   1,024,514
Total 5,997,406   5,879,148
Pass/Watch      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 30   1,469
Year before current fiscal year 1,650   32,475
Two years before current fiscal year 23,536   40,226
Three years before current year 65,368   55,670
Four years before current fiscal year 42,758   24,762
Prior 32,862   18,629
Revolving Loans Converted to Term 261   385
Revolving 41,300   38,420
Total 207,765   212,036
Special Mention      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 0   277
Year before current fiscal year 276   13,796
Two years before current fiscal year 10,785   66,663
Three years before current year 48,046   10,100
Four years before current fiscal year 16,268   2,215
Prior 10,144   8,101
Revolving Loans Converted to Term 1,599   1,901
Revolving 6,578   3,772
Total 93,696   106,825
Substandard - Accruing      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 0   928
Year before current fiscal year 0   9,647
Two years before current fiscal year 24,374   27,690
Three years before current year 21,564   22,543
Four years before current fiscal year 15,115   5,920
Prior 23,898   18,990
Revolving Loans Converted to Term 2,974   7,836
Revolving 18,641   17,277
Total 106,566   110,831
Substandard - Nonaccrual      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 209   210
Year before current fiscal year 0   2,235
Two years before current fiscal year 11,644   25,030
Three years before current year 2,378   6,052
Four years before current fiscal year 6,200   5,143
Prior 28,756   24,823
Revolving Loans Converted to Term 1,591   1,643
Revolving 153   1,736
Total 50,931   66,872
Doubtful      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 0   0
Year before current fiscal year 0   0
Two years before current fiscal year 1,256   0
Three years before current year 22,978   0
Four years before current fiscal year 0   415
Prior 122   0
Revolving Loans Converted to Term 1,544   230
Revolving 1,744   0
Total 27,644   645
Commercial and industrial      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 236,767   493,329
Year before current fiscal year 433,951   296,526
Two years before current fiscal year 273,116   347,892
Three years before current year 321,910   271,322
Four years before current fiscal year 223,414   78,526
Prior 126,235   57,415
Revolving Loans Converted to Term 58,823   87,197
Revolving 960,812   865,565
Total 2,635,028   2,497,772
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]      
Current fiscal year, writeoffs 0   0
Year before current fiscal year, writeoffs 0   0
Two years before current fiscal year, writeoffs 0   0
Three years before current year, writeoffs 0   19,720
Four years before current fiscal year, writeoffs 409   269
Prior 234   2
Revolving Loans Converted to Term 0   630
Revolving 0   122
Total 643   20,743
Commercial and industrial | Pass      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 236,767   490,655
Year before current fiscal year 432,025   257,005
Two years before current fiscal year 234,884   255,402
Three years before current year 208,267   221,739
Four years before current fiscal year 170,954   67,636
Prior 107,875   48,713
Revolving Loans Converted to Term 52,443   76,821
Revolving 911,907   822,815
Total 2,355,122   2,240,786
Commercial and industrial | Pass/Watch      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 0   1,469
Year before current fiscal year 1,650   17,131
Two years before current fiscal year 12,663   29,927
Three years before current year 49,098   19,200
Four years before current fiscal year 23,438   4,373
Prior 5,850   2,343
Revolving Loans Converted to Term 200   322
Revolving 21,817   19,994
Total 114,716   94,759
Commercial and industrial | Special Mention      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 0   277
Year before current fiscal year 276   13,796
Two years before current fiscal year 10,150   22,630
Three years before current year 20,871   3,740
Four years before current fiscal year 15,865   345
Prior 1,781   664
Revolving Loans Converted to Term 1,599   1,901
Revolving 6,578   3,772
Total 57,120   47,125
Commercial and industrial | Substandard - Accruing      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 0   928
Year before current fiscal year 0   6,359
Two years before current fiscal year 11,957   27,244
Three years before current year 20,696   22,543
Four years before current fiscal year 9,181   2,862
Prior 5,255   3,236
Revolving Loans Converted to Term 1,504   6,339
Revolving 18,641   17,277
Total 67,234   86,788
Commercial and industrial | Substandard - Nonaccrual      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 0   0
Year before current fiscal year 0   2,235
Two years before current fiscal year 2,206   12,689
Three years before current year 0   4,100
Four years before current fiscal year 3,976   2,895
Prior 5,352   2,459
Revolving Loans Converted to Term 1,533   1,584
Revolving 125   1,707
Total 13,192   27,669
Commercial and industrial | Doubtful      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 0   0
Year before current fiscal year 0   0
Two years before current fiscal year 1,256   0
Three years before current year 22,978   0
Four years before current fiscal year 0   415
Prior 122   0
Revolving Loans Converted to Term 1,544   230
Revolving 1,744   0
Total 27,644   645
Owner occupied      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 18,515   163,293
Year before current fiscal year 174,709   214,122
Two years before current fiscal year 222,341   452,633
Three years before current year 414,109   290,625
Four years before current fiscal year 285,952   260,840
Prior 640,653   419,036
Revolving Loans Converted to Term 35,665   39,430
Revolving 92,437   72,687
Total 1,884,381   1,912,666
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]      
Current fiscal year, writeoffs 0   0
Year before current fiscal year, writeoffs 0   0
Two years before current fiscal year, writeoffs 0   0
Three years before current year, writeoffs 0   0
Four years before current fiscal year, writeoffs 0   270
Prior 0   205
Revolving Loans Converted to Term 0   0
Revolving 0   0
Total 0   475
Owner occupied | Pass      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 18,515   163,293
Year before current fiscal year 174,709   196,901
Two years before current fiscal year 205,536   401,300
Three years before current year 373,681   254,241
Four years before current fiscal year 262,492   235,795
Prior 586,782   380,267
Revolving Loans Converted to Term 34,195   37,937
Revolving 74,002   55,301
Total 1,729,912   1,725,035
Owner occupied | Pass/Watch      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 0   0
Year before current fiscal year 0   13,933
Two years before current fiscal year 4,388   5,531
Three years before current year 10,731   28,858
Four years before current fiscal year 15,975   20,117
Prior 20,952   9,804
Revolving Loans Converted to Term 0   0
Revolving 18,435   17,386
Total 70,481   95,629
Owner occupied | Special Mention      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 0   0
Year before current fiscal year 0   0
Two years before current fiscal year 0   43,682
Three years before current year 27,175   6,359
Four years before current fiscal year 402   1,870
Prior 7,942   6,836
Revolving Loans Converted to Term 0   0
Revolving 0   0
Total 35,519   58,747
Owner occupied | Substandard - Accruing      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 0   0
Year before current fiscal year 0   3,288
Two years before current fiscal year 12,417   446
Three years before current year 868   0
Four years before current fiscal year 5,934   3,058
Prior 18,565   15,668
Revolving Loans Converted to Term 1,470   1,493
Revolving 0   0
Total 39,254   23,953
Owner occupied | Substandard - Nonaccrual      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 0   0
Year before current fiscal year 0   0
Two years before current fiscal year 0   1,674
Three years before current year 1,654   1,167
Four years before current fiscal year 1,149   0
Prior 6,412   6,461
Revolving Loans Converted to Term 0   0
Revolving 0   0
Total 9,215   9,302
Owner occupied | Non-owner occupied:      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 2,977   40,289
Year before current fiscal year 42,082   64,788
Two years before current fiscal year 65,273   102,518
Three years before current year 101,470   155,511
Four years before current fiscal year 153,746   138,544
Prior 320,232   204,383
Revolving Loans Converted to Term 9,370   9,412
Revolving 38,799   37,416
Total 733,949   752,861
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]      
Current fiscal year, writeoffs 0   0
Year before current fiscal year, writeoffs 0   0
Two years before current fiscal year, writeoffs 0   0
Three years before current year, writeoffs 0   0
Four years before current fiscal year, writeoffs 0   270
Prior 0   11
Revolving Loans Converted to Term 0   0
Revolving 0   0
Total 0   281
Owner occupied | Non-owner occupied: | Pass      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 2,977   40,289
Year before current fiscal year 42,082   62,077
Two years before current fiscal year 60,684   101,213
Three years before current year 99,969   126,215
Four years before current fiscal year 137,292   137,151
Prior 302,304   190,618
Revolving Loans Converted to Term 7,900   7,919
Revolving 21,159   20,030
Total 674,367   685,512
Owner occupied | Non-owner occupied: | Pass/Watch      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 0   0
Year before current fiscal year 0   0
Two years before current fiscal year 1,879   1,305
Three years before current year 1,501   23,343
Four years before current fiscal year 10,520   851
Prior 9,742   6,016
Revolving Loans Converted to Term 0   0
Revolving 17,640   17,386
Total 41,282   48,901
Owner occupied | Non-owner occupied: | Special Mention      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year     0
Year before current fiscal year     0
Two years before current fiscal year     0
Three years before current year     5,953
Four years before current fiscal year     0
Prior     0
Revolving Loans Converted to Term     0
Revolving     0
Total     5,953
Owner occupied | Non-owner occupied: | Substandard - Accruing      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 0   0
Year before current fiscal year 0   2,711
Two years before current fiscal year 2,710   0
Three years before current year 0   0
Four years before current fiscal year 5,934   542
Prior 3,871   3,399
Revolving Loans Converted to Term 1,470   1,493
Revolving 0   0
Total 13,985   8,145
Owner occupied | Non-owner occupied: | Substandard - Nonaccrual      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 0   0
Year before current fiscal year 0   0
Two years before current fiscal year 0   0
Three years before current year 0   0
Four years before current fiscal year 0   0
Prior 4,315   4,350
Revolving Loans Converted to Term 0   0
Revolving 0   0
Total 4,315   4,350
Owner occupied | Owner occupied      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 6,441   102,994
Year before current fiscal year 101,587   93,093
Two years before current fiscal year 84,971   68,470
Three years before current year 58,186   95,487
Four years before current fiscal year 93,177   113,685
Prior 302,180   202,722
Revolving Loans Converted to Term 20,783   21,049
Revolving 11,812   5,273
Total 679,137   702,773
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]      
Current fiscal year, writeoffs 0   0
Year before current fiscal year, writeoffs 0   0
Two years before current fiscal year, writeoffs 0   0
Three years before current year, writeoffs 0   0
Four years before current fiscal year, writeoffs 0   0
Prior 0   194
Revolving Loans Converted to Term 0   0
Revolving 0   0
Total 0   194
Owner occupied | Owner occupied | Pass      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 6,441   102,994
Year before current fiscal year 101,587   78,583
Two years before current fiscal year 72,755   64,881
Three years before current year 49,287   88,399
Four years before current fiscal year 86,171   90,033
Prior 266,249   177,733
Revolving Loans Converted to Term 20,783   21,049
Revolving 11,017   5,273
Total 614,290   628,945
Owner occupied | Owner occupied | Pass/Watch      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 0   0
Year before current fiscal year 0   13,933
Two years before current fiscal year 2,509   875
Three years before current year 5,777   5,515
Four years before current fiscal year 5,455   19,266
Prior 11,198   3,773
Revolving Loans Converted to Term 0   0
Revolving 795   0
Total 25,734   43,362
Owner occupied | Owner occupied | Special Mention      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 0   0
Year before current fiscal year 0   0
Two years before current fiscal year 0   2,268
Three years before current year 2,254   406
Four years before current fiscal year 402   1,870
Prior 7,942   6,836
Revolving Loans Converted to Term 0   0
Revolving 0   0
Total 10,598   11,380
Owner occupied | Owner occupied | Substandard - Accruing      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 0   0
Year before current fiscal year 0   577
Two years before current fiscal year 9,707   446
Three years before current year 868   0
Four years before current fiscal year 0   2,516
Prior 14,694   12,269
Revolving Loans Converted to Term 0   0
Revolving 0   0
Total 25,269   15,808
Owner occupied | Owner occupied | Substandard - Nonaccrual      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 0   0
Year before current fiscal year 0   0
Two years before current fiscal year 0   0
Three years before current year 0   1,167
Four years before current fiscal year 1,149   0
Prior 2,097   2,111
Revolving Loans Converted to Term 0   0
Revolving 0   0
Total 3,246   3,278
Owner occupied | Construction & land:      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 7,880   15,602
Year before current fiscal year 26,651   54,903
Two years before current fiscal year 70,768   243,815
Three years before current year 224,411   6,749
Four years before current fiscal year 6,709   3,745
Prior 7,811   4,429
Revolving Loans Converted to Term 0   3,436
Revolving 41,826   29,998
Total 386,056   362,677
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]      
Current fiscal year, writeoffs 0   0
Year before current fiscal year, writeoffs 0   0
Two years before current fiscal year, writeoffs 0   0
Three years before current year, writeoffs 0   0
Four years before current fiscal year, writeoffs 0   0
Prior 0   0
Revolving Loans Converted to Term 0   0
Revolving 0   0
Total 0   0
Owner occupied | Construction & land: | Pass      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 7,880   15,602
Year before current fiscal year 26,651   54,903
Two years before current fiscal year 70,768   199,050
Three years before current year 196,037   6,749
Four years before current fiscal year 6,709   3,745
Prior 7,799   4,414
Revolving Loans Converted to Term 0   3,436
Revolving 41,826   29,998
Total 357,670   317,897
Owner occupied | Construction & land: | Pass/Watch      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 0   0
Year before current fiscal year 0   0
Two years before current fiscal year 0   3,351
Three years before current year 3,453   0
Four years before current fiscal year 0   0
Prior 12   15
Revolving Loans Converted to Term 0   0
Revolving 0   0
Total 3,465   3,366
Owner occupied | Construction & land: | Special Mention      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 0   0
Year before current fiscal year 0   0
Two years before current fiscal year 0   41,414
Three years before current year 24,921   0
Four years before current fiscal year 0   0
Prior 0   0
Revolving Loans Converted to Term 0   0
Revolving 0   0
Total 24,921   41,414
Owner occupied | Multifamily:      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 1,217   4,408
Year before current fiscal year 4,389   1,338
Two years before current fiscal year 1,329   37,830
Three years before current year 30,042   32,878
Four years before current fiscal year 32,320   4,866
Prior 10,430   7,502
Revolving Loans Converted to Term 5,512   5,533
Revolving 0   0
Total 85,239   94,355
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]      
Current fiscal year, writeoffs 0   0
Year before current fiscal year, writeoffs 0   0
Two years before current fiscal year, writeoffs 0   0
Three years before current year, writeoffs 0   0
Four years before current fiscal year, writeoffs 0   0
Prior 0   0
Revolving Loans Converted to Term 0   0
Revolving 0   0
Total 0   0
Owner occupied | Multifamily: | Pass      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 1,217   4,408
Year before current fiscal year 4,389   1,338
Two years before current fiscal year 1,329   36,156
Three years before current year 28,388   32,878
Four years before current fiscal year 32,320   4,866
Prior 10,430   7,502
Revolving Loans Converted to Term 5,512   5,533
Revolving 0   0
Total 83,585   92,681
Owner occupied | Multifamily: | Substandard - Nonaccrual      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 0   0
Year before current fiscal year 0   0
Two years before current fiscal year 0   1,674
Three years before current year 1,654   0
Four years before current fiscal year 0   0
Prior 0   0
Revolving Loans Converted to Term 0   0
Revolving 0   0
Total 1,654   1,674
Residential real estate      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 98,973   141,619
Year before current fiscal year 155,205   140,320
Two years before current fiscal year 571,403   564,771
Three years before current year 130,231   112,959
Four years before current fiscal year 39,662   38,054
Prior 181,242   164,137
Revolving Loans Converted to Term 2,511   2,526
Revolving 16,487   16,224
Total 1,195,714   1,180,610
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]      
Current fiscal year, writeoffs 0   0
Year before current fiscal year, writeoffs 0   0
Two years before current fiscal year, writeoffs 0   0
Three years before current year, writeoffs 0   0
Four years before current fiscal year, writeoffs 0   0
Prior 0   38
Revolving Loans Converted to Term 0   0
Revolving 0   0
Total 0   38
Residential real estate | Pass      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 98,764   141,409
Year before current fiscal year 155,205   138,915
Two years before current fiscal year 554,865   549,022
Three years before current year 124,001   108,084
Four years before current fiscal year 37,338   35,720
Prior 167,905   151,015
Revolving Loans Converted to Term 2,393   2,405
Revolving 15,467   15,201
Total 1,155,938   1,141,771
Residential real estate | Pass/Watch      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 0   0
Year before current fiscal year 0   1,405
Two years before current fiscal year 6,477   4,731
Three years before current year 5,506   4,148
Four years before current fiscal year 1,252   90
Prior 5,464   6,151
Revolving Loans Converted to Term 60   62
Revolving 992   994
Total 19,751   17,581
Residential real estate | Special Mention      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 0   0
Year before current fiscal year 0   0
Two years before current fiscal year 635   351
Three years before current year 0   0
Four years before current fiscal year 0   0
Prior 421   601
Revolving Loans Converted to Term 0   0
Revolving 0   0
Total 1,056   952
Residential real estate | Substandard - Accruing      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 0   0
Year before current fiscal year 0   0
Two years before current fiscal year 0   0
Three years before current year 0   0
Four years before current fiscal year 0   0
Prior 78   86
Revolving Loans Converted to Term 0   0
Revolving 0   0
Total 78   86
Residential real estate | Substandard - Nonaccrual      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 209   210
Year before current fiscal year 0   0
Two years before current fiscal year 9,426   10,667
Three years before current year 724   727
Four years before current fiscal year 1,072   2,244
Prior 7,374   6,284
Revolving Loans Converted to Term 58   59
Revolving 28   29
Total 18,891   20,220
Public Finance      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 6,730   29,860
Year before current fiscal year 30,490   19,986
Two years before current fiscal year 20,277   0
Three years before current year 0   42,558
Four years before current fiscal year 42,567   130,447
Prior 447,590   329,292
Revolving Loans Converted to Term 0   0
Revolving 3,598   2,641
Total 551,252   554,784
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]      
Current fiscal year, writeoffs 0   0
Year before current fiscal year, writeoffs 0   0
Two years before current fiscal year, writeoffs 0   0
Three years before current year, writeoffs 0   0
Four years before current fiscal year, writeoffs 0   0
Prior 0   0
Revolving Loans Converted to Term 0   0
Revolving 0   0
Total 0   0
Public Finance | Pass      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 6,730   29,860
Year before current fiscal year 30,490   19,986
Two years before current fiscal year 20,277   0
Three years before current year 0   42,558
Four years before current fiscal year 42,567   130,447
Prior 440,364   322,066
Revolving Loans Converted to Term 0   0
Revolving 3,598   2,641
Total 544,026   547,558
Public Finance | Substandard - Nonaccrual      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 0   0
Year before current fiscal year 0   0
Two years before current fiscal year 0   0
Three years before current year 0   0
Four years before current fiscal year 0   0
Prior 7,226   7,226
Revolving Loans Converted to Term 0   0
Revolving 0   0
Total 7,226   7,226
Consumer      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 895   3,949
Year before current fiscal year 3,310   1,616
Two years before current fiscal year 1,393   1,370
Three years before current year 1,209   3,956
Four years before current fiscal year 3,668   7,650
Prior 12,040   5,028
Revolving Loans Converted to Term 1   65
Revolving 16,580   17,711
Total 39,096   41,345
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]      
Current fiscal year, writeoffs 0   3
Year before current fiscal year, writeoffs 0   10
Two years before current fiscal year, writeoffs 58   6
Three years before current year, writeoffs 6   3
Four years before current fiscal year, writeoffs 0   147
Prior 7   46
Revolving Loans Converted to Term 0   15
Revolving 98   208
Total 169   438
Consumer | Pass      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 865   3,949
Year before current fiscal year 3,310   1,610
Two years before current fiscal year 1,373   1,333
Three years before current year 1,176   3,793
Four years before current fiscal year 3,513   7,464
Prior 11,443   4,695
Revolving Loans Converted to Term 0   60
Revolving 16,524   17,665
Total 38,204   40,569
Consumer | Pass/Watch      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 30   0
Year before current fiscal year 0   6
Two years before current fiscal year 8   37
Three years before current year 33   104
Four years before current fiscal year 151   182
Prior 596   331
Revolving Loans Converted to Term 1   1
Revolving 56   46
Total 875   707
Consumer | Special Mention      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 0   0
Year before current fiscal year 0   0
Two years before current fiscal year 0   0
Three years before current year 0   1
Four years before current fiscal year 1   0
Prior 0   0
Revolving Loans Converted to Term 0   0
Revolving 0   0
Total 1   1
Consumer | Substandard - Accruing      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year     0
Year before current fiscal year     0
Two years before current fiscal year     0
Three years before current year     0
Four years before current fiscal year     0
Prior     0
Revolving Loans Converted to Term     4
Revolving     0
Total     4
Consumer | Substandard - Nonaccrual      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 0   0
Year before current fiscal year 0   0
Two years before current fiscal year 12   0
Three years before current year 0   58
Four years before current fiscal year 3   4
Prior 1   2
Revolving Loans Converted to Term 0   0
Revolving 0   0
Total 16   64
Other      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 445   26,745
Year before current fiscal year 30,455   18,892
Two years before current fiscal year 18,813   7,664
Three years before current year 7,656   13,981
Four years before current fiscal year 12,156   148
Prior 9,081   10,730
Revolving Loans Converted to Term 25,021   129
Revolving 74,910   110,891
Total 178,537   189,180
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]      
Current fiscal year, writeoffs 0   0
Year before current fiscal year, writeoffs 0   0
Two years before current fiscal year, writeoffs 0   0
Three years before current year, writeoffs 0   0
Four years before current fiscal year, writeoffs 0   0
Prior 0   0
Revolving Loans Converted to Term 0   0
Revolving 0   0
Total 0   0
Other | Pass      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 445   26,745
Year before current fiscal year 30,455   18,892
Two years before current fiscal year 18,813   7,664
Three years before current year 7,656   10,621
Four years before current fiscal year 10,214   148
Prior 6,690   8,339
Revolving Loans Converted to Term 25,021   129
Revolving 74,910   110,891
Total 174,204   183,429
Other | Pass/Watch      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 0   0
Year before current fiscal year 0   0
Two years before current fiscal year 0   0
Three years before current year 0   3,360
Four years before current fiscal year 1,942   0
Prior 0   0
Revolving Loans Converted to Term 0   0
Revolving 0   0
Total 1,942   3,360
Other | Substandard - Nonaccrual      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract]      
Current fiscal year 0   0
Year before current fiscal year 0   0
Two years before current fiscal year 0   0
Three years before current year 0   0
Four years before current fiscal year 0   0
Prior 2,391   2,391
Revolving Loans Converted to Term 0   0
Revolving 0   0
Total $ 2,391   $ 2,391