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Loans and Allowance for Credit Losses - Schedule of Internal Risk Rating Summary (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
Total commercial business loans |  |  |  |  |
Year one | $ 156,309 |  | $ 156,309 |  | $ 364,536
Year two | 326,031 |  | 326,031 |  | 936,622
Year three | 817,088 |  | 817,088 |  | 485,068
Year four | 406,148 |  | 406,148 |  | 147,128
Year five | 127,772 |  | 127,772 |  | 105,499
Prior | 326,006 |  | 326,006 |  | 270,307
Revolving Loans Converted to Term | 10,593 |  | 10,593 |  | 7,014
Total | 2,169,947 |  | 2,169,947 |  | 2,316,174
Gross charge-offs |  |  |  |  |
Year one |  |  | 2 |  | 1,144
Year two |  |  | 352 |  | 10,836
Year three |  |  | 3,140 |  | 3,003
Year four |  |  | 1,219 |  | 141
Year five |  |  | 0 |  | 19
Prior |  |  | 367 |  | 3,336
Revolving Loans Converted to Term |  |  | 0 |  | 0
Total | 1,392 | $ 8,064 | 5,080 | $ 16,611 | 18,479
Total commercial |  |  |  |  |
Total commercial business loans |  |  |  |  |
Total | 1,480,533 |  | 1,480,533 |  | 1,601,688
Gross charge-offs |  |  |  |  |
Total | 415 | 4,028 | 2,292 | 4,297 |
Total commercial | Business |  |  |  |  |
Total commercial business loans |  |  |  |  |
Year one | 49,285 |  | 49,285 |  | 189,101
Year two | 143,885 |  | 143,885 |  | 283,423
Year three | 239,804 |  | 239,804 |  | 96,775
Year four | 66,377 |  | 66,377 |  | 67,289
Year five | 71,846 |  | 71,846 |  | 56,004
Prior | 123,439 |  | 123,439 |  | 98,040
Revolving Loans Converted to Term | 7,338 |  | 7,338 |  | 6,468
Total | 701,974 |  | 701,974 |  | 797,100
Gross charge-offs |  |  |  |  |
Year one |  |  | 2 |  | 0
Year two |  |  | 0 |  | 228
Year three |  |  | 1,083 |  | 1,250
Year four |  |  | 840 |  | 141
Year five |  |  | 0 |  | 0
Prior |  |  | 367 |  | 2,953
Revolving Loans Converted to Term |  |  |  |  | 0
Total | 415 | 4,028 | 2,292 | 4,297 | 4,572
Total commercial | Real estate |  |  |  |  |
Total commercial business loans |  |  |  |  |
Year one | 50,668 |  | 50,668 |  | 112,063
Year two | 111,823 |  | 111,823 |  | 149,189
Year three | 137,027 |  | 137,027 |  | 225,183
Year four | 193,708 |  | 193,708 |  | 11,952
Year five | 11,531 |  | 11,531 |  | 32,517
Prior | 159,821 |  | 159,821 |  | 139,134
Revolving Loans Converted to Term | 460 |  | 460 |  | 546
Total | 665,038 |  | 665,038 |  | 670,584
Gross charge-offs |  |  |  |  |
Year one |  |  | 0 |  | 0
Year two |  |  | 0 |  | 0
Year three |  |  | 0 |  | 0
Year four |  |  | 0 |  | 0
Year five |  |  | 0 |  | 0
Prior |  |  | 0 |  | 0
Revolving Loans Converted to Term |  |  |  |  | 0
Total | 0 | 0 | 0 | 0 | 0
Total commercial | Acquisition, development and construction |  |  |  |  |
Total commercial business loans |  |  |  |  |
Year one | 11,867 |  | 11,867 |  | 6,546
Year two | 11,277 |  | 11,277 |  | 54,468
Year three | 35,154 |  | 35,154 |  | 45,772
Year four | 43,845 |  | 43,845 |  | 22,041
Year five | 7,235 |  | 7,235 |  | 2,940
Prior | 4,143 |  | 4,143 |  | 2,237
Revolving Loans Converted to Term | 0 |  | 0 |  | 0
Total | 113,521 |  | 113,521 |  | 134,004
Gross charge-offs |  |  |  |  |
Year one |  |  | 0 |  | 0
Year two |  |  | 0 |  | 0
Year three |  |  | 0 |  | 0
Year four |  |  | 0 |  | 0
Year five |  |  | 0 |  | 0
Prior |  |  | 0 |  | 0
Revolving Loans Converted to Term |  |  |  |  | 0
Total | 0 | 0 | 0 | 0 | 0
Residential real estate |  |  |  |  |
Total commercial business loans |  |  |  |  |
Year one | 44,489 |  | 44,489 |  | 54,453
Year two | 57,280 |  | 57,280 |  | 430,314
Year three | 390,786 |  | 390,786 |  | 111,527
Year four | 97,799 |  | 97,799 |  | 44,508
Year five | 36,108 |  | 36,108 |  | 8,852
Prior | 27,349 |  | 27,349 |  | 22,893
Revolving Loans Converted to Term | 2,795 |  | 2,795 |  | 0
Total | 656,606 |  | 656,606 |  | 672,547
Gross charge-offs |  |  |  |  |
Year one |  |  | 0 |  | 0
Year two |  |  | 0 |  | 0
Year three |  |  | 0 |  | 0
Year four |  |  | 0 |  | 0
Year five |  |  | 0 |  | 19
Prior |  |  | 0 |  | 381
Revolving Loans Converted to Term |  |  |  |  | 0
Total | 0 | 359 | 0 | 381 | 400
Home equity lines of credit |  |  |  |  |
Total commercial business loans |  |  |  |  |
Year one | 0 |  | 0 |  | 58
Year two | 57 |  | 57 |  | 36
Year three | 35 |  | 35 |  | 0
Year four | 0 |  | 0 |  | 1,338
Year five | 1,052 |  | 1,052 |  | 5,147
Prior | 11,212 |  | 11,212 |  | 7,952
Revolving Loans Converted to Term | 0 |  | 0 |  | 0
Total | 12,356 |  | 12,356 |  | 14,531
Gross charge-offs |  |  |  |  |
Year one |  |  | 0 |  | 0
Year two |  |  | 0 |  | 0
Year three |  |  | 0 |  | 0
Year four |  |  | 0 |  | 0
Year five |  |  | 0 |  | 0
Prior |  |  | 0 |  | 0
Revolving Loans Converted to Term |  |  |  |  | 0
Total | 0 | 0 | 0 | 0 | 0
Consumer |  |  |  |  |
Total commercial business loans |  |  |  |  |
Year one | 0 |  | 0 |  | 2,315
Year two | 1,709 |  | 1,709 |  | 19,192
Year three | 14,282 |  | 14,282 |  | 5,811
Year four | 4,419 |  | 4,419 |  | 0
Year five | 0 |  | 0 |  | 39
Prior | 42 |  | 42 |  | 51
Revolving Loans Converted to Term | 0 |  | 0 |  | 0
Total | 20,452 |  | 20,452 |  | 27,408
Gross charge-offs |  |  |  |  |
Year one |  |  | 0 |  | 1,144
Year two |  |  | 352 |  | 10,608
Year three |  |  | 2,057 |  | 1,753
Year four |  |  | 379 |  | 0
Year five |  |  | 0 |  | 0
Prior |  |  | 0 |  | 2
Revolving Loans Converted to Term |  |  |  |  | 0
Total | 977 | $ 3,677 | 2,788 | $ 11,933 | 13,507
Pass |  |  |  |  |
Total commercial business loans |  |  |  |  |
Year one | 156,268 |  | 156,268 |  | 363,158
Year two | 324,789 |  | 324,789 |  | 901,663
Year three | 787,142 |  | 787,142 |  | 457,405
Year four | 365,707 |  | 365,707 |  | 141,728
Year five | 124,206 |  | 124,206 |  | 93,881
Prior | 277,362 |  | 277,362 |  | 230,784
Revolving Loans Converted to Term | 10,275 |  | 10,275 |  | 5,163
Total | 2,045,749 |  | 2,045,749 |  | 2,193,782
Pass | Total commercial | Business |  |  |  |  |
Total commercial business loans |  |  |  |  |
Year one | 49,244 |  | 49,244 |  | 187,743
Year two | 142,643 |  | 142,643 |  | 249,718
Year three | 211,830 |  | 211,830 |  | 95,547
Year four | 65,488 |  | 65,488 |  | 66,195
Year five | 70,770 |  | 70,770 |  | 51,025
Prior | 114,002 |  | 114,002 |  | 91,435
Revolving Loans Converted to Term | 7,136 |  | 7,136 |  | 4,617
Total | 661,113 |  | 661,113 |  | 746,280
Pass | Total commercial | Real estate |  |  |  |  |
Total commercial business loans |  |  |  |  |
Year one | 50,668 |  | 50,668 |  | 112,063
Year two | 111,823 |  | 111,823 |  | 149,189
Year three | 137,027 |  | 137,027 |  | 217,222
Year four | 167,909 |  | 167,909 |  | 11,952
Year five | 11,531 |  | 11,531 |  | 26,438
Prior | 124,518 |  | 124,518 |  | 108,934
Revolving Loans Converted to Term | 460 |  | 460 |  | 546
Total | 603,936 |  | 603,936 |  | 626,344
Pass | Total commercial | Acquisition, development and construction |  |  |  |  |
Total commercial business loans |  |  |  |  |
Year one | 11,867 |  | 11,867 |  | 6,546
Year two | 11,277 |  | 11,277 |  | 54,468
Year three | 35,154 |  | 35,154 |  | 31,120
Year four | 30,339 |  | 30,339 |  | 22,041
Year five | 7,235 |  | 7,235 |  | 2,940
Prior | 3,608 |  | 3,608 |  | 1,483
Revolving Loans Converted to Term | 0 |  | 0 |  | 0
Total | 99,480 |  | 99,480 |  | 118,598
Pass | Residential real estate |  |  |  |  |
Total commercial business loans |  |  |  |  |
Year one | 44,489 |  | 44,489 |  | 54,453
Year two | 57,280 |  | 57,280 |  | 429,326
Year three | 388,965 |  | 388,965 |  | 107,763
Year four | 97,588 |  | 97,588 |  | 40,202
Year five | 33,618 |  | 33,618 |  | 8,292
Prior | 24,334 |  | 24,334 |  | 21,313
Revolving Loans Converted to Term | 2,679 |  | 2,679 |  | 0
Total | 648,953 |  | 648,953 |  | 661,349
Pass | Home equity lines of credit |  |  |  |  |
Total commercial business loans |  |  |  |  |
Year one | 0 |  | 0 |  | 58
Year two | 57 |  | 57 |  | 36
Year three | 35 |  | 35 |  | 0
Year four | 0 |  | 0 |  | 1,338
Year five | 1,052 |  | 1,052 |  | 5,147
Prior | 10,858 |  | 10,858 |  | 7,568
Revolving Loans Converted to Term | 0 |  | 0 |  | 0
Total | 12,002 |  | 12,002 |  | 14,147
Pass | Consumer |  |  |  |  |
Total commercial business loans |  |  |  |  |
Year one | 0 |  | 0 |  | 2,295
Year two | 1,709 |  | 1,709 |  | 18,926
Year three | 14,131 |  | 14,131 |  | 5,753
Year four | 4,383 |  | 4,383 |  | 0
Year five | 0 |  | 0 |  | 39
Prior | 42 |  | 42 |  | 51
Revolving Loans Converted to Term | 0 |  | 0 |  | 0
Total | 20,265 |  | 20,265 |  | 27,064
Special Mention |  |  |  |  |
Total commercial business loans |  |  |  |  |
Year one | 41 |  | 41 |  | 990
Year two | 0 |  | 0 |  | 30,695
Year three | 21,785 |  | 21,785 |  | 22,685
Year four | 8,019 |  | 8,019 |  | 5,054
Year five | 791 |  | 791 |  | 6,832
Prior | 19,745 |  | 19,745 |  | 15,899
Revolving Loans Converted to Term | 0 |  | 0 |  | 1,647
Total | 50,381 |  | 50,381 |  | 83,802
Special Mention | Total commercial | Business |  |  |  |  |
Total commercial business loans |  |  |  |  |
Year one | 41 |  | 41 |  | 990
Year two | 0 |  | 0 |  | 30,695
Year three | 21,785 |  | 21,785 |  | 72
Year four | 222 |  | 222 |  | 830
Year five | 791 |  | 791 |  | 339
Prior | 4,011 |  | 4,011 |  | 3,767
Revolving Loans Converted to Term | 0 |  | 0 |  | 1,647
Total | 26,850 |  | 26,850 |  | 38,340
Special Mention | Total commercial | Real estate |  |  |  |  |
Total commercial business loans |  |  |  |  |
Year one | 0 |  | 0 |  | 0
Year two | 0 |  | 0 |  | 0
Year three | 0 |  | 0 |  | 7,961
Year four | 7,797 |  | 7,797 |  | 0
Year five | 0 |  | 0 |  | 6,079
Prior | 14,835 |  | 14,835 |  | 11,201
Revolving Loans Converted to Term | 0 |  | 0 |  | 0
Total | 22,632 |  | 22,632 |  | 25,241
Special Mention | Total commercial | Acquisition, development and construction |  |  |  |  |
Total commercial business loans |  |  |  |  |
Year one | 0 |  | 0 |  | 0
Year two | 0 |  | 0 |  | 0
Year three | 0 |  | 0 |  | 14,652
Year four | 0 |  | 0 |  | 0
Year five | 0 |  | 0 |  | 0
Prior | 0 |  | 0 |  | 0
Revolving Loans Converted to Term | 0 |  | 0 |  | 0
Total | 0 |  | 0 |  | 14,652
Special Mention | Residential real estate |  |  |  |  |
Total commercial business loans |  |  |  |  |
Year one | 0 |  | 0 |  | 0
Year two | 0 |  | 0 |  | 0
Year three | 0 |  | 0 |  | 0
Year four | 0 |  | 0 |  | 4,224
Year five | 0 |  | 0 |  | 414
Prior | 670 |  | 670 |  | 708
Revolving Loans Converted to Term | 0 |  | 0 |  | 0
Total | 670 |  | 670 |  | 5,346
Special Mention | Home equity lines of credit |  |  |  |  |
Total commercial business loans |  |  |  |  |
Year one | 0 |  | 0 |  | 0
Year two | 0 |  | 0 |  | 0
Year three | 0 |  | 0 |  | 0
Year four | 0 |  | 0 |  | 0
Year five | 0 |  | 0 |  | 0
Prior | 229 |  | 229 |  | 223
Revolving Loans Converted to Term | 0 |  | 0 |  | 0
Total | 229 |  | 229 |  | 223
Special Mention | Consumer |  |  |  |  |
Total commercial business loans |  |  |  |  |
Year one | 0 |  | 0 |  | 0
Year two | 0 |  | 0 |  | 0
Year three | 0 |  | 0 |  | 0
Year four | 0 |  | 0 |  | 0
Year five | 0 |  | 0 |  | 0
Prior | 0 |  | 0 |  | 0
Revolving Loans Converted to Term | 0 |  | 0 |  | 0
Total | 0 |  | 0 |  | 0
Substandard |  |  |  |  |
Total commercial business loans |  |  |  |  |
Year one | 0 |  | 0 |  | 388
Year two | 1,242 |  | 1,242 |  | 2,242
Year three | 7,150 |  | 7,150 |  | 4,139
Year four | 31,829 |  | 31,829 |  | 82
Year five | 2,490 |  | 2,490 |  | 4,786
Prior | 27,790 |  | 27,790 |  | 22,127
Revolving Loans Converted to Term | 318 |  | 318 |  | 204
Total | 70,819 |  | 70,819 |  | 33,968
Substandard | Total commercial | Business |  |  |  |  |
Total commercial business loans |  |  |  |  |
Year one | 0 |  | 0 |  | 368
Year two | 1,242 |  | 1,242 |  | 988
Year three | 5,178 |  | 5,178 |  | 317
Year four | 285 |  | 285 |  | 0
Year five | 0 |  | 0 |  | 4,640
Prior | 4,410 |  | 4,410 |  | 1,436
Revolving Loans Converted to Term | 202 |  | 202 |  | 204
Total | 11,317 |  | 11,317 |  | 7,953
Substandard | Total commercial | Real estate |  |  |  |  |
Total commercial business loans |  |  |  |  |
Year one | 0 |  | 0 |  | 0
Year two | 0 |  | 0 |  | 0
Year three | 0 |  | 0 |  | 0
Year four | 18,002 |  | 18,002 |  | 0
Year five | 0 |  | 0 |  | 0
Prior | 20,468 |  | 20,468 |  | 18,999
Revolving Loans Converted to Term | 0 |  | 0 |  | 0
Total | 38,470 |  | 38,470 |  | 18,999
Substandard | Total commercial | Acquisition, development and construction |  |  |  |  |
Total commercial business loans |  |  |  |  |
Year one | 0 |  | 0 |  | 0
Year two | 0 |  | 0 |  | 0
Year three | 0 |  | 0 |  | 0
Year four | 13,506 |  | 13,506 |  | 0
Year five | 0 |  | 0 |  | 0
Prior | 535 |  | 535 |  | 754
Revolving Loans Converted to Term | 0 |  | 0 |  | 0
Total | 14,041 |  | 14,041 |  | 754
Substandard | Residential real estate |  |  |  |  |
Total commercial business loans |  |  |  |  |
Year one | 0 |  | 0 |  | 0
Year two | 0 |  | 0 |  | 988
Year three | 1,821 |  | 1,821 |  | 3,764
Year four | 0 |  | 0 |  | 82
Year five | 2,490 |  | 2,490 |  | 146
Prior | 2,252 |  | 2,252 |  | 777
Revolving Loans Converted to Term | 116 |  | 116 |  | 0
Total | 6,679 |  | 6,679 |  | 5,757
Substandard | Home equity lines of credit |  |  |  |  |
Total commercial business loans |  |  |  |  |
Year one | 0 |  | 0 |  | 0
Year two | 0 |  | 0 |  | 0
Year three | 0 |  | 0 |  | 0
Year four | 0 |  | 0 |  | 0
Year five | 0 |  | 0 |  | 0
Prior | 125 |  | 125 |  | 161
Revolving Loans Converted to Term | 0 |  | 0 |  | 0
Total | 125 |  | 125 |  | 161
Substandard | Consumer |  |  |  |  |
Total commercial business loans |  |  |  |  |
Year one | 0 |  | 0 |  | 20
Year two | 0 |  | 0 |  | 266
Year three | 151 |  | 151 |  | 58
Year four | 36 |  | 36 |  | 0
Year five | 0 |  | 0 |  | 0
Prior | 0 |  | 0 |  | 0
Revolving Loans Converted to Term | 0 |  | 0 |  | 0
Total | 187 |  | 187 |  | 344
Doubtful |  |  |  |  |
Total commercial business loans |  |  |  |  |
Year one | 0 |  | 0 |  | 0
Year two | 0 |  | 0 |  | 2,022
Year three | 1,011 |  | 1,011 |  | 839
Year four | 593 |  | 593 |  | 264
Year five | 285 |  | 285 |  | 0
Prior | 1,109 |  | 1,109 |  | 1,497
Revolving Loans Converted to Term | 0 |  | 0 |  | 0
Total | 2,998 |  | 2,998 |  | 4,622
Doubtful | Total commercial | Business |  |  |  |  |
Total commercial business loans |  |  |  |  |
Year one | 0 |  | 0 |  | 0
Year two | 0 |  | 0 |  | 2,022
Year three | 1,011 |  | 1,011 |  | 839
Year four | 382 |  | 382 |  | 264
Year five | 285 |  | 285 |  | 0
Prior | 1,016 |  | 1,016 |  | 1,402
Revolving Loans Converted to Term | 0 |  | 0 |  | 0
Total | 2,694 |  | 2,694 |  | 4,527
Doubtful | Total commercial | Real estate |  |  |  |  |
Total commercial business loans |  |  |  |  |
Year one | 0 |  | 0 |  | 0
Year two | 0 |  | 0 |  | 0
Year three | 0 |  | 0 |  | 0
Year four | 0 |  | 0 |  | 0
Year five | 0 |  | 0 |  | 0
Prior | 0 |  | 0 |  | 0
Revolving Loans Converted to Term | 0 |  | 0 |  | 0
Total | 0 |  | 0 |  | 0
Doubtful | Total commercial | Acquisition, development and construction |  |  |  |  |
Total commercial business loans |  |  |  |  |
Year one | 0 |  | 0 |  | 0
Year two | 0 |  | 0 |  | 0
Year three | 0 |  | 0 |  | 0
Year four | 0 |  | 0 |  | 0
Year five | 0 |  | 0 |  | 0
Prior | 0 |  | 0 |  | 0
Revolving Loans Converted to Term | 0 |  | 0 |  | 0
Total | 0 |  | 0 |  | 0
Doubtful | Residential real estate |  |  |  |  |
Total commercial business loans |  |  |  |  |
Year one | 0 |  | 0 |  | 0
Year two | 0 |  | 0 |  | 0
Year three | 0 |  | 0 |  | 0
Year four | 211 |  | 211 |  | 0
Year five | 0 |  | 0 |  | 0
Prior | 93 |  | 93 |  | 95
Revolving Loans Converted to Term | 0 |  | 0 |  | 0
Total | 304 |  | 304 |  | 95
Doubtful | Home equity lines of credit |  |  |  |  |
Total commercial business loans |  |  |  |  |
Year one | 0 |  | 0 |  | 0
Year two | 0 |  | 0 |  | 0
Year three | 0 |  | 0 |  | 0
Year four | 0 |  | 0 |  | 0
Year five | 0 |  | 0 |  | 0
Prior | 0 |  | 0 |  | 0
Revolving Loans Converted to Term | 0 |  | 0 |  | 0
Total | 0 |  | 0 |  | 0
Doubtful | Consumer |  |  |  |  |
Total commercial business loans |  |  |  |  |
Year one | 0 |  | 0 |  | 0
Year two | 0 |  | 0 |  | 0
Year three | 0 |  | 0 |  | 0
Year four | 0 |  | 0 |  | 0
Year five | 0 |  | 0 |  | 0
Prior | 0 |  | 0 |  | 0
Revolving Loans Converted to Term | 0 |  | 0 |  | 0
Total | $ 0 |  | $ 0 |  | $ 0

X
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- Definition Amortized cost excluding accrued interest, before allowance for credit loss, fee, and loan in process, of financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 + Details
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