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Loans and Allowance for Credit Losses on Loans - Schedule of Loans by Risk Grade and Origination Year (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing receivable, originated, year one | $ 187,481 |  | $ 187,481 |  | $ 183,397
Financing receivable, originated, year two | 138,626 |  | 138,626 |  | 291,859
Financing receivable, originated, year three | 270,810 |  | 270,810 |  | 320,078
Financing receivable, originated, year four | 289,335 |  | 289,335 |  | 264,689
Financing receivable, originated, year five | 254,351 |  | 254,351 |  | 239,856
Prior | 767,871 |  | 767,871 |  | 610,122
Revolving Loans Amortized Cost | 181,617 |  | 181,617 |  | 163,719
Total | 2,090,091 |  | 2,090,091 |  | 2,073,720
Gross current period charge-offs, originated, year one |  |  | 0 |  |
Gross current period charge-offs, originated, year two |  |  | (14) |  |
Gross current period charge-offs, originated, year three |  |  | 0 |  |
Gross current period charge-offs, originated, year four |  |  | (3) |  |
Gross current period charge-offs, originated, year five |  |  | 0 |  |
Gross current period charge-offs, originated, prior |  |  | 0 |  |
Gross current period charge-offs, originated, revolving loans amortized cost |  |  | (34) |  |
Gross current period charge-offs, originated, total | 0 | $ (6) | (51) | $ (29) |
Pass and Watch |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing receivable, originated, year one | 179,147 |  | 179,147 |  | 168,498
Financing receivable, originated, year two | 137,374 |  | 137,374 |  | 282,068
Financing receivable, originated, year three | 265,919 |  | 265,919 |  | 292,740
Financing receivable, originated, year four | 265,599 |  | 265,599 |  | 252,093
Financing receivable, originated, year five | 253,532 |  | 253,532 |  | 222,217
Prior | 681,535 |  | 681,535 |  | 534,401
Revolving Loans Amortized Cost | 164,999 |  | 164,999 |  | 154,208
Total | 1,948,105 |  | 1,948,105 |  | 1,906,225
Special Mention |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing receivable, originated, year one | 8,334 |  | 8,334 |  | 14,021
Financing receivable, originated, year two | 380 |  | 380 |  | 7,288
Financing receivable, originated, year three | 2,750 |  | 2,750 |  | 25,134
Financing receivable, originated, year four | 21,154 |  | 21,154 |  | 12,596
Financing receivable, originated, year five | 819 |  | 819 |  | 16,328
Prior | 47,967 |  | 47,967 |  | 50,504
Revolving Loans Amortized Cost | 8,152 |  | 8,152 |  | 9,300
Total | 89,556 |  | 89,556 |  | 135,171
Substandard |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing receivable, originated, year one | 0 |  | 0 |  | 878
Financing receivable, originated, year two | 872 |  | 872 |  | 2,503
Financing receivable, originated, year three | 2,141 |  | 2,141 |  | 2,204
Financing receivable, originated, year four | 2,582 |  | 2,582 |  | 0
Financing receivable, originated, year five | 0 |  | 0 |  | 1,311
Prior | 38,369 |  | 38,369 |  | 25,217
Revolving Loans Amortized Cost | 8,466 |  | 8,466 |  | 211
Total | 52,430 |  | 52,430 |  | 32,324
Commercial loans | Commercial and industrial |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing receivable, originated, year one | 10,551 |  | 10,551 |  | 25,615
Financing receivable, originated, year two | 22,021 |  | 22,021 |  | 9,187
Financing receivable, originated, year three | 8,149 |  | 8,149 |  | 2,970
Financing receivable, originated, year four | 1,543 |  | 1,543 |  | 3,718
Financing receivable, originated, year five | 2,830 |  | 2,830 |  | 16,773
Prior | 29,296 |  | 29,296 |  | 23,701
Revolving Loans Amortized Cost | 86,000 |  | 86,000 |  | 71,786
Total | 160,390 |  | 160,390 |  | 153,750
Gross current period charge-offs, originated, year one |  |  | 0 |  |
Gross current period charge-offs, originated, year two |  |  | 0 |  |
Gross current period charge-offs, originated, year three |  |  | 0 |  |
Gross current period charge-offs, originated, year four |  |  | 0 |  |
Gross current period charge-offs, originated, year five |  |  | 0 |  |
Gross current period charge-offs, originated, prior |  |  | 0 |  |
Gross current period charge-offs, originated, revolving loans amortized cost |  |  | (33) |  |
Gross current period charge-offs, originated, total | 0 | (4) | (33) | (7) |
Commercial loans | Commercial and industrial | Pass and Watch |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing receivable, originated, year one | 9,669 |  | 9,669 |  | 25,615
Financing receivable, originated, year two | 22,021 |  | 22,021 |  | 9,187
Financing receivable, originated, year three | 8,149 |  | 8,149 |  | 2,970
Financing receivable, originated, year four | 1,543 |  | 1,543 |  | 3,718
Financing receivable, originated, year five | 2,819 |  | 2,819 |  | 15,128
Prior | 29,046 |  | 29,046 |  | 21,004
Revolving Loans Amortized Cost | 70,364 |  | 70,364 |  | 62,486
Total | 143,611 |  | 143,611 |  | 140,108
Commercial loans | Commercial and industrial | Special Mention |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing receivable, originated, year one | 882 |  | 882 |  | 0
Financing receivable, originated, year two | 0 |  | 0 |  | 0
Financing receivable, originated, year three | 0 |  | 0 |  | 0
Financing receivable, originated, year four | 0 |  | 0 |  | 0
Financing receivable, originated, year five | 11 |  | 11 |  | 334
Prior | 250 |  | 250 |  | 0
Revolving Loans Amortized Cost | 8,152 |  | 8,152 |  | 9,300
Total | 9,295 |  | 9,295 |  | 9,634
Commercial loans | Commercial and industrial | Substandard |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing receivable, originated, year one | 0 |  | 0 |  | 0
Financing receivable, originated, year two | 0 |  | 0 |  | 0
Financing receivable, originated, year three | 0 |  | 0 |  | 0
Financing receivable, originated, year four | 0 |  | 0 |  | 0
Financing receivable, originated, year five | 0 |  | 0 |  | 1,311
Prior | 0 |  | 0 |  | 2,697
Revolving Loans Amortized Cost | 7,484 |  | 7,484 |  | 0
Total | 7,484 |  | 7,484 |  | 4,008
Commercial real estate loans | Commercial owner-occupied |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing receivable, originated, year one | 11,192 |  | 11,192 |  | 14,559
Financing receivable, originated, year two | 14,036 |  | 14,036 |  | 48,537
Financing receivable, originated, year three | 47,336 |  | 47,336 |  | 65,523
Financing receivable, originated, year four | 63,946 |  | 63,946 |  | 38,528
Financing receivable, originated, year five | 35,339 |  | 35,339 |  | 41,280
Prior | 146,654 |  | 146,654 |  | 124,698
Revolving Loans Amortized Cost | 209 |  | 209 |  | 56
Total | 318,712 |  | 318,712 |  | 333,181
Gross current period charge-offs, originated, total | 0 | 0 | 0 | 0 |
Commercial real estate loans | Commercial owner-occupied | Pass and Watch |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing receivable, originated, year one | 11,192 |  | 11,192 |  | 13,128
Financing receivable, originated, year two | 13,656 |  | 13,656 |  | 41,808
Financing receivable, originated, year three | 45,195 |  | 45,195 |  | 49,887
Financing receivable, originated, year four | 44,900 |  | 44,900 |  | 37,708
Financing receivable, originated, year five | 34,531 |  | 34,531 |  | 40,994
Prior | 134,195 |  | 134,195 |  | 114,018
Revolving Loans Amortized Cost | 209 |  | 209 |  | 56
Total | 283,878 |  | 283,878 |  | 297,599
Commercial real estate loans | Commercial owner-occupied | Special Mention |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing receivable, originated, year one | 0 |  | 0 |  | 1,431
Financing receivable, originated, year two | 380 |  | 380 |  | 4,498
Financing receivable, originated, year three | 0 |  | 0 |  | 15,636
Financing receivable, originated, year four | 19,046 |  | 19,046 |  | 820
Financing receivable, originated, year five | 808 |  | 808 |  | 286
Prior | 9,563 |  | 9,563 |  | 8,902
Revolving Loans Amortized Cost | 0 |  | 0 |  | 0
Total | 29,797 |  | 29,797 |  | 31,573
Commercial real estate loans | Commercial owner-occupied | Substandard |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing receivable, originated, year one | 0 |  | 0 |  | 0
Financing receivable, originated, year two | 0 |  | 0 |  | 2,231
Financing receivable, originated, year three | 2,141 |  | 2,141 |  | 0
Financing receivable, originated, year four | 0 |  | 0 |  | 0
Financing receivable, originated, year five | 0 |  | 0 |  | 0
Prior | 2,896 |  | 2,896 |  | 1,778
Revolving Loans Amortized Cost | 0 |  | 0 |  | 0
Total | 5,037 |  | 5,037 |  | 4,009
Commercial real estate loans | Commercial non-owner occupied |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing receivable, originated, year one | 89,580 |  | 89,580 |  | 77,596
Financing receivable, originated, year two | 66,162 |  | 66,162 |  | 175,090
Financing receivable, originated, year three | 168,698 |  | 168,698 |  | 208,042
Financing receivable, originated, year four | 202,190 |  | 202,190 |  | 162,607
Financing receivable, originated, year five | 188,605 |  | 188,605 |  | 155,568
Prior | 542,212 |  | 542,212 |  | 430,650
Revolving Loans Amortized Cost | 8,930 |  | 8,930 |  | 9,832
Total | 1,266,377 |  | 1,266,377 |  | 1,219,385
Gross current period charge-offs, originated, total | 0 | 0 | 0 | 0 |
Commercial real estate loans | Commercial non-owner occupied | Pass and Watch |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing receivable, originated, year one | 89,580 |  | 89,580 |  | 76,718
Financing receivable, originated, year two | 65,290 |  | 65,290 |  | 172,028
Financing receivable, originated, year three | 165,948 |  | 165,948 |  | 196,340
Financing receivable, originated, year four | 197,932 |  | 197,932 |  | 150,831
Financing receivable, originated, year five | 188,605 |  | 188,605 |  | 139,860
Prior | 468,764 |  | 468,764 |  | 368,675
Revolving Loans Amortized Cost | 8,930 |  | 8,930 |  | 9,832
Total | 1,185,049 |  | 1,185,049 |  | 1,114,284
Commercial real estate loans | Commercial non-owner occupied | Special Mention |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing receivable, originated, year one | 0 |  | 0 |  | 0
Financing receivable, originated, year two | 0 |  | 0 |  | 2,790
Financing receivable, originated, year three | 2,750 |  | 2,750 |  | 9,498
Financing receivable, originated, year four | 2,108 |  | 2,108 |  | 11,776
Financing receivable, originated, year five | 0 |  | 0 |  | 15,708
Prior | 38,154 |  | 38,154 |  | 41,602
Revolving Loans Amortized Cost | 0 |  | 0 |  | 0
Total | 43,012 |  | 43,012 |  | 81,374
Commercial real estate loans | Commercial non-owner occupied | Substandard |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing receivable, originated, year one | 0 |  | 0 |  | 878
Financing receivable, originated, year two | 872 |  | 872 |  | 272
Financing receivable, originated, year three | 0 |  | 0 |  | 2,204
Financing receivable, originated, year four | 2,150 |  | 2,150 |  | 0
Financing receivable, originated, year five | 0 |  | 0 |  | 0
Prior | 35,294 |  | 35,294 |  | 20,373
Revolving Loans Amortized Cost | 0 |  | 0 |  | 0
Total | 38,316 |  | 38,316 |  | 23,727
Commercial real estate loans | Construction |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing receivable, originated, year one | 21,970 |  | 21,970 |  | 25,728
Financing receivable, originated, year two | 2,045 |  | 2,045 |  | 24,403
Financing receivable, originated, year three | 15,311 |  | 15,311 |  | 19,521
Financing receivable, originated, year four | 0 |  | 0 |  | 29,512
Financing receivable, originated, year five | 0 |  | 0 |  | 0
Prior | 0 |  | 0 |  | 0
Revolving Loans Amortized Cost | 0 |  | 0 |  | 0
Total | 39,326 |  | 39,326 |  | 99,164
Gross current period charge-offs, originated, total | 0 | 0 | 0 | 0 |
Commercial real estate loans | Construction | Pass and Watch |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing receivable, originated, year one | 14,518 |  | 14,518 |  | 13,138
Financing receivable, originated, year two | 2,045 |  | 2,045 |  | 24,403
Financing receivable, originated, year three | 15,311 |  | 15,311 |  | 19,521
Financing receivable, originated, year four | 0 |  | 0 |  | 29,512
Financing receivable, originated, year five | 0 |  | 0 |  | 0
Prior | 0 |  | 0 |  | 0
Revolving Loans Amortized Cost | 0 |  | 0 |  | 0
Total | 31,874 |  | 31,874 |  | 86,574
Commercial real estate loans | Construction | Special Mention |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing receivable, originated, year one | 7,452 |  | 7,452 |  | 12,590
Financing receivable, originated, year two | 0 |  | 0 |  | 0
Financing receivable, originated, year three | 0 |  | 0 |  | 0
Financing receivable, originated, year four | 0 |  | 0 |  | 0
Financing receivable, originated, year five | 0 |  | 0 |  | 0
Prior | 0 |  | 0 |  | 0
Revolving Loans Amortized Cost | 0 |  | 0 |  | 0
Total | 7,452 |  | 7,452 |  | 12,590
Residential loans | Home equity |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing receivable, originated, year one | 76 |  | 76 |  | 0
Financing receivable, originated, year two | 0 |  | 0 |  | 0
Financing receivable, originated, year three | 0 |  | 0 |  | 0
Financing receivable, originated, year four | 0 |  | 0 |  | 0
Financing receivable, originated, year five | 0 |  | 0 |  | 0
Prior | 1,310 |  | 1,310 |  | 1,103
Revolving Loans Amortized Cost | 85,093 |  | 85,093 |  | 80,984
Total | 86,479 |  | 86,479 |  | 82,087
Gross current period charge-offs, originated, total | 0 | 0 | 0 | 0 |
Residential loans | Home equity | Pass and Watch |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing receivable, originated, year one | 76 |  | 76 |  | 0
Financing receivable, originated, year two | 0 |  | 0 |  | 0
Financing receivable, originated, year three | 0 |  | 0 |  | 0
Financing receivable, originated, year four | 0 |  | 0 |  | 0
Financing receivable, originated, year five | 0 |  | 0 |  | 0
Prior | 1,131 |  | 1,131 |  | 734
Revolving Loans Amortized Cost | 84,111 |  | 84,111 |  | 80,773
Total | 85,318 |  | 85,318 |  | 81,507
Residential loans | Home equity | Substandard |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing receivable, originated, year one | 0 |  | 0 |  | 0
Financing receivable, originated, year two | 0 |  | 0 |  | 0
Financing receivable, originated, year three | 0 |  | 0 |  | 0
Financing receivable, originated, year four | 0 |  | 0 |  | 0
Financing receivable, originated, year five | 0 |  | 0 |  | 0
Prior | 179 |  | 179 |  | 369
Revolving Loans Amortized Cost | 982 |  | 982 |  | 211
Total | 1,161 |  | 1,161 |  | 580
Residential loans | Other residential |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing receivable, originated, year one | 39,456 |  | 39,456 |  | 17,861
Financing receivable, originated, year two | 17,371 |  | 17,371 |  | 20,114
Financing receivable, originated, year three | 19,791 |  | 19,791 |  | 13,390
Financing receivable, originated, year four | 13,091 |  | 13,091 |  | 25,637
Financing receivable, originated, year five | 24,549 |  | 24,549 |  | 20,935
Prior | 36,315 |  | 36,315 |  | 20,571
Revolving Loans Amortized Cost | 0 |  | 0 |  | 0
Total | 150,573 |  | 150,573 |  | 118,508
Gross current period charge-offs, originated, total | 0 | 0 | 0 | 0 |
Residential loans | Other residential | Pass and Watch |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing receivable, originated, year one | 39,456 |  | 39,456 |  | 17,861
Financing receivable, originated, year two | 17,371 |  | 17,371 |  | 20,114
Financing receivable, originated, year three | 19,791 |  | 19,791 |  | 13,390
Financing receivable, originated, year four | 13,091 |  | 13,091 |  | 25,637
Financing receivable, originated, year five | 24,549 |  | 24,549 |  | 20,935
Prior | 36,315 |  | 36,315 |  | 20,571
Revolving Loans Amortized Cost | 0 |  | 0 |  | 0
Total | 150,573 |  | 150,573 |  | 118,508
Consumer loans | Installment and other consumer loans |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing receivable, originated, year one | 14,656 |  | 14,656 |  | 22,038
Financing receivable, originated, year two | 16,991 |  | 16,991 |  | 14,528
Financing receivable, originated, year three | 11,525 |  | 11,525 |  | 10,632
Financing receivable, originated, year four | 8,565 |  | 8,565 |  | 4,687
Financing receivable, originated, year five | 3,028 |  | 3,028 |  | 5,300
Prior | 12,084 |  | 12,084 |  | 9,399
Revolving Loans Amortized Cost | 1,385 |  | 1,385 |  | 1,061
Total | 68,234 |  | 68,234 |  | 67,645
Gross current period charge-offs, originated, year one |  |  | 0 |  |
Gross current period charge-offs, originated, year two |  |  | (14) |  |
Gross current period charge-offs, originated, year three |  |  | 0 |  |
Gross current period charge-offs, originated, year four |  |  | (3) |  |
Gross current period charge-offs, originated, year five |  |  | 0 |  |
Gross current period charge-offs, originated, prior |  |  | 0 |  |
Gross current period charge-offs, originated, revolving loans amortized cost |  |  | (1) |  |
Gross current period charge-offs, originated, total | 0 | $ (2) | (18) | $ (22) |
Consumer loans | Installment and other consumer loans | Pass and Watch |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing receivable, originated, year one | 14,656 |  | 14,656 |  | 22,038
Financing receivable, originated, year two | 16,991 |  | 16,991 |  | 14,528
Financing receivable, originated, year three | 11,525 |  | 11,525 |  | 10,632
Financing receivable, originated, year four | 8,133 |  | 8,133 |  | 4,687
Financing receivable, originated, year five | 3,028 |  | 3,028 |  | 5,300
Prior | 12,084 |  | 12,084 |  | 9,399
Revolving Loans Amortized Cost | 1,385 |  | 1,385 |  | 1,061
Total | 67,802 |  | 67,802 |  | $ 67,645
Consumer loans | Installment and other consumer loans | Substandard |  |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |  |
Financing receivable, originated, year one | 0 |  | 0 |  |
Financing receivable, originated, year two | 0 |  | 0 |  |
Financing receivable, originated, year three | 0 |  | 0 |  |
Financing receivable, originated, year four | 432 |  | 432 |  |
Financing receivable, originated, year five | 0 |  | 0 |  |
Prior | 0 |  | 0 |  |
Revolving Loans Amortized Cost | 0 |  | 0 |  |
Total | $ 432 |  | $ 432 |  |

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