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Loans and Allowance for Credit Losses - Loan Balances by Year of Origination and Internally Assigned Risk Rating (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Total Loan Balance |  |
Current fiscal year | $ 893,015 | $ 1,117,436
Year two | 1,134,650 | 1,320,936
Year three | 1,191,528 | 1,094,225
Year four | 897,782 | 503,703
Year five | 421,743 | 645,502
More than five years | 1,885,462 | 1,650,211
Revolving | 1,284,808 | 1,292,135
Revolving-Term | 33,970 | 29,193
Total | 7,742,958 | 7,653,341
Year-to-date Gross Charge-offs |  |
Current fiscal year | 839 | 830
Year two | 191 | 214
Year three | 288 | 218
Year four | 1,338 | 25
Year five | 91 | 3,989
More than five years | 6,837 | 18,669
Revolving | 1,118 | 109
Revolving-Term | 1,486 | 584
Total | 12,188 | 24,638
Pass |  |
Total Loan Balance |  |
Current fiscal year | 892,431 | 1,117,247
Year two | 1,128,069 | 1,318,412
Year three | 1,171,403 | 1,060,514
Year four | 870,715 | 499,034
Year five | 417,507 | 595,848
More than five years | 1,775,175 | 1,473,853
Revolving | 1,243,868 | 1,253,528
Revolving-Term | 30,962 | 25,838
Total | 7,530,130 | 7,344,274
Special mention |  |
Total Loan Balance |  |
Current fiscal year | 0 | 189
Year two | 2,020 | 1,681
Year three | 17,638 | 16,493
Year four | 2,112 | 224
Year five | 157 | 24,920
More than five years | 65,401 | 87,973
Revolving | 11,322 | 4,163
Revolving-Term | 268 | 172
Total | 98,918 | 135,815
Substandard |  |
Total Loan Balance |  |
Current fiscal year | 584 | 0
Year two | 4,561 | 843
Year three | 2,487 | 17,218
Year four | 24,589 | 4,445
Year five | 3,196 | 24,734
More than five years | 44,886 | 88,385
Revolving | 26,717 | 34,444
Revolving-Term | 2,740 | 3,183
Total | 109,760 | 173,252
Doubtful |  |
Total Loan Balance |  |
Current fiscal year | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 366 | 0
Year five | 883 | 0
More than five years | 0 | 0
Revolving | 2,901 | 0
Revolving-Term | 0 | 0
Total | 4,150 | 0
Commercial Loans | Commercial real estate |  |
Total Loan Balance |  |
Current fiscal year | 278,187 | 276,677
Year two | 289,081 | 324,469
Year three | 363,529 | 439,308
Year four | 415,621 | 240,256
Year five | 215,632 | 419,371
More than five years | 1,110,490 | 926,636
Revolving | 35,991 | 32,418
Revolving-Term | 0 | 0
Total | 2,708,531 | 2,659,135
Year-to-date Gross Charge-offs |  |
Current fiscal year | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 0
More than five years | 5,205 | 1,706
Revolving | 0 | 0
Revolving-Term | 0 | 0
Total | 5,205 | 1,706
Commercial Loans | Commercial and industrial |  |
Total Loan Balance |  |
Current fiscal year | 120,143 | 171,861
Year two | 148,100 | 231,978
Year three | 195,756 | 210,636
Year four | 152,971 | 54,696
Year five | 31,312 | 52,858
More than five years | 197,426 | 193,905
Revolving | 505,929 | 520,249
Revolving-Term | 0 | 0
Total | 1,351,637 | 1,436,183
Year-to-date Gross Charge-offs |  |
Current fiscal year | 0 | 0
Year two | 78 | 0
Year three | 0 | 0
Year four | 1,235 | 0
Year five | 0 | 3,412
More than five years | 91 | 15,842
Revolving | 1,032 | 0
Revolving-Term | 0 | 0
Total | 2,436 | 19,254
Commercial Loans | Commercial construction |  |
Total Loan Balance |  |
Current fiscal year | 119,355 | 75,596
Year two | 121,816 | 154,456
Year three | 73,851 | 82,313
Year four | 14,911 | 14,845
Year five | 884 | 4,727
More than five years | 2,139 | 4,438
Revolving | 8,310 | 14,208
Revolving-Term | 0 | 0
Total | 341,266 | 350,583
Year-to-date Gross Charge-offs |  |
Current fiscal year | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 451
More than five years | 0 | 0
Revolving | 0 | 0
Revolving-Term | 0 | 0
Total | 0 | 451
Commercial Loans | Business banking |  |
Total Loan Balance |  |
Current fiscal year | 149,624 | 270,129
Year two | 233,041 | 262,606
Year three | 226,654 | 207,611
Year four | 177,683 | 88,018
Year five | 76,643 | 99,574
More than five years | 345,327 | 334,766
Revolving | 92,981 | 96,754
Revolving-Term | 1,305 | 1,307
Total | 1,303,258 | 1,360,765
Year-to-date Gross Charge-offs |  |
Current fiscal year | 0 | 0
Year two | 79 | 67
Year three | 124 | 43
Year four | 0 | 1
Year five | 56 | 88
More than five years | 1,486 | 1,073
Revolving | 0 | 34
Revolving-Term | 0 | 0
Total | 1,745 | 1,306
Commercial Loans | Pass | Commercial real estate |  |
Total Loan Balance |  |
Current fiscal year | 278,187 | 276,677
Year two | 287,081 | 323,463
Year three | 362,174 | 433,308
Year four | 413,781 | 237,901
Year five | 213,384 | 383,799
More than five years | 1,040,703 | 781,465
Revolving | 35,737 | 32,418
Revolving-Term | 0 | 0
Total | 2,631,047 | 2,469,031
Commercial Loans | Pass | Commercial and industrial |  |
Total Loan Balance |  |
Current fiscal year | 119,580 | 171,672
Year two | 147,007 | 231,114
Year three | 194,363 | 185,884
Year four | 131,877 | 53,101
Year five | 30,093 | 47,063
More than five years | 175,359 | 183,165
Revolving | 466,640 | 482,490
Revolving-Term | 0 | 0
Total | 1,264,919 | 1,354,489
Commercial Loans | Pass | Commercial construction |  |
Total Loan Balance |  |
Current fiscal year | 119,355 | 75,596
Year two | 121,816 | 154,456
Year three | 57,853 | 82,313
Year four | 14,911 | 14,845
Year five | 884 | 151
More than five years | 2,139 | 4,054
Revolving | 8,310 | 14,208
Revolving-Term | 0 | 0
Total | 325,268 | 345,623
Commercial Loans | Pass | Business banking |  |
Total Loan Balance |  |
Current fiscal year | 149,603 | 270,129
Year two | 230,784 | 262,535
Year three | 225,318 | 204,874
Year four | 173,763 | 87,346
Year five | 76,087 | 96,371
More than five years | 332,707 | 321,360
Revolving | 92,756 | 96,618
Revolving-Term | 597 | 523
Total | 1,281,615 | 1,339,756
Commercial Loans | Special mention | Commercial real estate |  |
Total Loan Balance |  |
Current fiscal year | 0 | 0
Year two | 2,000 | 1,006
Year three | 370 | 6,000
Year four | 1,840 | 0
Year five | 0 | 24,887
More than five years | 46,104 | 75,428
Revolving | 254 | 0
Revolving-Term | 0 | 0
Total | 50,568 | 107,321
Commercial Loans | Special mention | Commercial and industrial |  |
Total Loan Balance |  |
Current fiscal year | 0 | 189
Year two | 20 | 620
Year three | 1,221 | 10,242
Year four | 142 | 0
Year five | 10 | 0
More than five years | 14,896 | 8,848
Revolving | 11,033 | 4,126
Revolving-Term | 0 | 0
Total | 27,322 | 24,025
Commercial Loans | Special mention | Commercial construction |  |
Total Loan Balance |  |
Current fiscal year | 0 | 0
Year two | 0 | 0
Year three | 15,998 | 0
Year four | 0 | 0
Year five | 0 | 0
More than five years | 0 | 0
Revolving | 0 | 0
Revolving-Term | 0 | 0
Total | 15,998 | 0
Commercial Loans | Special mention | Business banking |  |
Total Loan Balance |  |
Current fiscal year | 0 | 0
Year two | 0 | 55
Year three | 49 | 251
Year four | 130 | 224
Year five | 147 | 33
More than five years | 4,302 | 3,508
Revolving | 35 | 37
Revolving-Term | 268 | 172
Total | 4,931 | 4,280
Commercial Loans | Substandard | Commercial real estate |  |
Total Loan Balance |  |
Current fiscal year | 0 | 0
Year two | 0 | 0
Year three | 985 | 0
Year four | 0 | 2,355
Year five | 1,834 | 10,685
More than five years | 23,683 | 69,743
Revolving | 0 | 0
Revolving-Term | 0 | 0
Total | 26,502 | 82,783
Commercial Loans | Substandard | Commercial and industrial |  |
Total Loan Balance |  |
Current fiscal year | 563 | 0
Year two | 1,073 | 244
Year three | 172 | 14,510
Year four | 20,586 | 1,595
Year five | 740 | 5,795
More than five years | 7,171 | 1,892
Revolving | 25,355 | 33,633
Revolving-Term | 0 | 0
Total | 55,660 | 57,669
Commercial Loans | Substandard | Commercial construction |  |
Total Loan Balance |  |
Current fiscal year | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 4,576
More than five years | 0 | 384
Revolving | 0 | 0
Revolving-Term | 0 | 0
Total | 0 | 4,960
Commercial Loans | Substandard | Business banking |  |
Total Loan Balance |  |
Current fiscal year | 21 | 0
Year two | 2,257 | 16
Year three | 1,287 | 2,486
Year four | 3,790 | 448
Year five | 409 | 3,170
More than five years | 8,318 | 9,898
Revolving | 190 | 99
Revolving-Term | 440 | 612
Total | 16,712 | 16,729
Commercial Loans | Doubtful | Commercial real estate |  |
Total Loan Balance |  |
Current fiscal year | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 414 | 0
More than five years | 0 | 0
Revolving | 0 | 0
Revolving-Term | 0 | 0
Total | 414 | 0
Commercial Loans | Doubtful | Commercial and industrial |  |
Total Loan Balance |  |
Current fiscal year | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 366 | 0
Year five | 469 | 0
More than five years | 0 | 0
Revolving | 2,901 | 0
Revolving-Term | 0 | 0
Total | 3,736 | 0
Commercial Loans | Doubtful | Commercial construction |  |
Total Loan Balance |  |
Current fiscal year | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 0
More than five years | 0 | 0
Revolving | 0 | 0
Revolving-Term | 0 | 0
Total | 0 | 0
Commercial Loans | Doubtful | Business banking |  |
Total Loan Balance |  |
Current fiscal year | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 0
More than five years | 0 | 0
Revolving | 0 | 0
Revolving-Term | 0 | 0
Total | 0 | 0
Consumer Loans | Consumer real estate |  |
Total Loan Balance |  |
Current fiscal year | 217,250 | 311,887
Year two | 335,763 | 335,462
Year three | 324,389 | 147,850
Year four | 133,347 | 102,041
Year five | 95,504 | 67,890
More than five years | 229,462 | 189,794
Revolving | 570,558 | 552,080
Revolving-Term | 27,236 | 24,774
Total | 1,933,509 | 1,731,778
Year-to-date Gross Charge-offs |  |
Current fiscal year | 0 | 0
Year two | 0 | 1
Year three | 0 | 0
Year four | 0 | 5
Year five | 9 | 1
More than five years | 37 | 43
Revolving | 86 | 75
Revolving-Term | 1,216 | 296
Total | 1,348 | 421
Consumer Loans | Other consumer |  |
Total Loan Balance |  |
Current fiscal year | 8,456 | 11,286
Year two | 6,849 | 11,965
Year three | 7,349 | 6,507
Year four | 3,249 | 3,847
Year five | 1,768 | 1,082
More than five years | 618 | 672
Revolving | 71,039 | 76,426
Revolving-Term | 5,429 | 3,112
Total | 104,757 | 114,897
Year-to-date Gross Charge-offs |  |
Current fiscal year | 839 | 830
Year two | 34 | 146
Year three | 164 | 175
Year four | 103 | 19
Year five | 26 | 37
More than five years | 18 | 5
Revolving | 0 | 0
Revolving-Term | 270 | 288
Total | 1,454 | 1,500
Consumer Loans | Pass | Consumer real estate |  |
Total Loan Balance |  |
Current fiscal year | 217,250 | 311,887
Year two | 334,532 | 334,879
Year three | 324,346 | 147,652
Year four | 133,155 | 101,999
Year five | 95,301 | 67,402
More than five years | 223,799 | 183,283
Revolving | 569,386 | 551,368
Revolving-Term | 24,940 | 22,206
Total | 1,922,709 | 1,720,676
Consumer Loans | Pass | Other consumer |  |
Total Loan Balance |  |
Current fiscal year | 8,456 | 11,286
Year two | 6,849 | 11,965
Year three | 7,349 | 6,483
Year four | 3,228 | 3,842
Year five | 1,758 | 1,062
More than five years | 468 | 526
Revolving | 71,039 | 76,426
Revolving-Term | 5,425 | 3,109
Total | 104,572 | 114,699
Consumer Loans | Special mention | Consumer real estate |  |
Total Loan Balance |  |
Current fiscal year | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 0
More than five years | 99 | 189
Revolving | 0 | 0
Revolving-Term | 0 | 0
Total | 99 | 189
Consumer Loans | Special mention | Other consumer |  |
Total Loan Balance |  |
Current fiscal year | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five |  | 0
More than five years | 0 | 0
Revolving | 0 | 0
Revolving-Term |  | 0
Total | 0 | 0
Consumer Loans | Substandard | Consumer real estate |  |
Total Loan Balance |  |
Current fiscal year | 0 | 0
Year two | 1,231 | 583
Year three | 43 | 198
Year four | 192 | 42
Year five | 203 | 488
More than five years | 5,564 | 6,322
Revolving | 1,172 | 712
Revolving-Term | 2,296 | 2,568
Total | 10,701 | 10,913
Consumer Loans | Substandard | Other consumer |  |
Total Loan Balance |  |
Current fiscal year | 0 | 0
Year two | 0 | 0
Year three | 0 | 24
Year four | 21 | 5
Year five | 10 | 20
More than five years | 150 | 146
Revolving | 0 | 0
Revolving-Term | 4 | 3
Total | 185 | 198
Consumer Loans | Doubtful | Consumer real estate |  |
Total Loan Balance |  |
Current fiscal year | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 0
More than five years | 0 | 0
Revolving | 0 | 0
Revolving-Term | 0 | 0
Total | 0 | 0
Consumer Loans | Doubtful | Other consumer |  |
Total Loan Balance |  |
Current fiscal year | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 0
More than five years | 0 | 0
Revolving | 0 | 0
Revolving-Term | 0 | 0
Total | $ 0 | $ 0

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