v3.26.1
Loans, net and allowance for credit losses - Major Classification of Loans Portfolio Summarized by Credit Quality (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Accounts, Notes, Loans and Financing Receivable    
Year 1 $ 204,124 $ 597,375
Year 2 609,478 331,412
Year 3 322,467 345,156
Year 4 312,706 789,146
Year 5 763,201 693,743
Prior 1,533,987 889,070
Revolving Loans Amortized Cost Basis 443,654 420,823
Revolving Loans Converted to Term 585 171
Total 4,190,202 4,066,896
Gross charge-offs, Year 1   210
Gross charge-offs, Year 2 147 696
Gross charge-offs, Year 3 362 1,139
Gross charge-offs, Year 4 110 1,972
Gross charge-offs, Year 5 278 173
Gross charge-offs, Prior 79 643
Total 976 4,833
Commercial and industrial    
Accounts, Notes, Loans and Financing Receivable    
Year 1 25,430 81,546
Year 2 77,843 70,393
Year 3 68,838 58,189
Year 4 41,949 57,219
Year 5 53,611 39,607
Prior 131,067 94,768
Revolving Loans Amortized Cost Basis 276,611 266,126
Revolving Loans Converted to Term 97 100
Total 675,446 667,948
Gross charge-offs, Year 2   300
Gross charge-offs, Year 4   24
Gross charge-offs, Year 5   57
Gross charge-offs, Prior   493
Total   874
Municipal    
Accounts, Notes, Loans and Financing Receivable    
Year 1 10,835 23,125
Year 2 19,850 4,324
Year 3 4,305 1,354
Year 4 1,275 45,369
Year 5 45,089 88,165
Prior 129,271 38,331
Revolving Loans Amortized Cost Basis 1,961 1,635
Total 212,586 202,303
Commercial real estate    
Accounts, Notes, Loans and Financing Receivable    
Year 1 142,189 360,438
Year 2 384,049 146,991
Year 3 147,005 176,362
Year 4 170,298 575,829
Year 5 563,359 450,704
Prior 1,015,639 603,715
Revolving Loans Converted to Term 488 71
Total 2,423,027 2,314,110
Gross charge-offs, Year 4   853
Gross charge-offs, Prior   95
Total   948
Residential real estate    
Accounts, Notes, Loans and Financing Receivable    
Year 1 13,330 56,021
Year 2 55,364 38,109
Year 3 37,775 40,913
Year 4 39,653 66,927
Year 5 65,554 104,792
Prior 247,752 148,990
Revolving Loans Amortized Cost Basis 158,728 146,557
Total 618,156 602,309
Gross charge-offs, Year 4   92
Total   92
Consumer    
Accounts, Notes, Loans and Financing Receivable    
Year 1 4,031 25,601
Year 2 23,407 19,907
Year 3 17,733 24,154
Year 4 21,264 22,054
Year 5 18,763 9,751
Prior 9,766 3,266
Revolving Loans Amortized Cost Basis 6,354 6,505
Total 101,318 111,238
Gross charge-offs, Year 2 147 195
Gross charge-offs, Year 3 199 361
Gross charge-offs, Year 4 72 342
Gross charge-offs, Year 5 97 116
Gross charge-offs, Prior 79 55
Total 594 1,069
Equipment financing    
Accounts, Notes, Loans and Financing Receivable    
Year 1 8,309 50,644
Year 2 48,965 51,688
Year 3 46,811 44,184
Year 4 38,267 21,748
Year 5 16,825 724
Prior 492  
Total 159,669 168,988
Gross charge-offs, Year 1   210
Gross charge-offs, Year 2   201
Gross charge-offs, Year 3 163 778
Gross charge-offs, Year 4 38 661
Gross charge-offs, Year 5 181  
Total 382 1,850
Pass | Commercial and industrial    
Accounts, Notes, Loans and Financing Receivable    
Year 1 25,400 81,246
Year 2 77,843 69,710
Year 3 68,176 57,789
Year 4 41,562 53,915
Year 5 51,048 38,907
Prior 130,260 94,729
Revolving Loans Amortized Cost Basis 262,840 251,834
Revolving Loans Converted to Term 97 100
Total 657,226 648,230
Pass | Municipal    
Accounts, Notes, Loans and Financing Receivable    
Year 1 10,835 23,125
Year 2 19,850 4,324
Year 3 4,305 1,354
Year 4 1,275 45,369
Year 5 45,089 88,165
Prior 129,271 38,331
Revolving Loans Amortized Cost Basis 1,961 1,635
Total 212,586 202,303
Pass | Commercial real estate    
Accounts, Notes, Loans and Financing Receivable    
Year 1 142,110 359,323
Year 2 382,338 146,483
Year 3 145,846 175,145
Year 4 168,925 566,480
Year 5 554,023 441,660
Prior 988,644 586,189
Revolving Loans Converted to Term 488 71
Total 2,382,374 2,275,351
Pass | Residential real estate    
Accounts, Notes, Loans and Financing Receivable    
Year 1 13,330 56,021
Year 2 55,364 38,109
Year 3 37,775 40,913
Year 4 39,653 66,927
Year 5 65,554 104,534
Prior 246,611 148,121
Revolving Loans Amortized Cost Basis 158,533 146,380
Total 616,820 601,005
Pass | Consumer    
Accounts, Notes, Loans and Financing Receivable    
Year 1 4,031 25,443
Year 2 23,391 19,746
Year 3 17,681 24,017
Year 4 21,093 21,716
Year 5 18,524 9,574
Prior 9,705 3,153
Revolving Loans Amortized Cost Basis 6,353 6,493
Total 100,778 110,142
Pass | Equipment financing    
Accounts, Notes, Loans and Financing Receivable    
Year 1 8,309 50,357
Year 2 48,545 51,024
Year 3 46,086 43,364
Year 4 37,338 21,050
Year 5 16,393 724
Prior 492  
Total 157,163 166,519
Special mention | Commercial and industrial    
Accounts, Notes, Loans and Financing Receivable    
Year 1   300
Year 2   572
Year 4   2,725
Year 5 323 36
Prior 28 9
Revolving Loans Amortized Cost Basis 2,134 8,718
Total 2,485 12,360
Special mention | Commercial real estate    
Accounts, Notes, Loans and Financing Receivable    
Year 1   573
Year 2 567  
Year 4 111 1,508
Year 5 1,255 2,174
Prior 11,047 9,149
Total 12,980 13,404
Special mention | Equipment financing    
Accounts, Notes, Loans and Financing Receivable    
Year 3   129
Year 4 118 12
Year 5 36  
Total 154 141
Substandard | Commercial and industrial    
Accounts, Notes, Loans and Financing Receivable    
Year 1 30  
Year 2   111
Year 3 662 400
Year 4 387 579
Year 5 2,240 664
Prior 779 30
Revolving Loans Amortized Cost Basis 11,637 5,574
Total 15,735 7,358
Substandard | Commercial real estate    
Accounts, Notes, Loans and Financing Receivable    
Year 1 79 542
Year 2 1,144 508
Year 3 1,159 1,217
Year 4 1,262 7,841
Year 5 8,081 6,870
Prior 15,948 8,377
Total 27,673 25,355
Substandard | Residential real estate    
Accounts, Notes, Loans and Financing Receivable    
Year 5   258
Prior 1,141 869
Revolving Loans Amortized Cost Basis 195 177
Total 1,336 1,304
Substandard | Consumer    
Accounts, Notes, Loans and Financing Receivable    
Year 1   158
Year 2 16 161
Year 3 52 137
Year 4 171 338
Year 5 239 177
Prior 61 113
Revolving Loans Amortized Cost Basis 1 12
Total 540 1,096
Substandard | Equipment financing    
Accounts, Notes, Loans and Financing Receivable    
Year 1   287
Year 2 420 664
Year 3 725 691
Year 4 811 686
Year 5 396  
Total $ 2,352 $ 2,328