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Allowance for Loan Losses - Activity by Class (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2022 | Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2021 | Sep. 30, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  |  | $ 15,521 |  |  |  | $ 16,253 | $ 15,521 | $ 16,253 | $ 11,639
Chargeoffs |  |  |  |  |  |  |  |  | 758 | 748 | 1,661
Recoveries |  |  |  |  |  |  |  |  | 210 | 391 | 225
Provision (credit) for loan losses | $ 450 | $ 400 | $ 450 | 450 | $ (1,950) | $ 525 | $ 525 | 525 | 1,750 | (375) | 6,050
Ending balance | 16,723 |  |  |  | 15,521 |  |  |  | 16,723 | 15,521 | 16,253
Ending balance specifically evaluated for impairment | 398 |  |  |  | 576 |  |  |  | 398 | 576 | 462
Ending balance collectively evaluated for impairment | 16,325 |  |  |  | 14,945 |  |  |  | 16,325 | 14,945 | 15,791
Ending balance | 1,914,674 |  |  |  | 1,647,649 |  |  |  | 1,914,674 | 1,647,649 | 1,476,761
Ending balance specifically evaluated for impairment | 6,160 |  |  |  | 12,052 |  |  |  | 6,160 | 12,052 | 16,039
Ending balance collectively evaluated for impairment | 1,908,514 |  |  |  | 1,635,597 |  |  |  | 1,908,514 | 1,635,597 | 1,460,722
Commercial | Real estate |  |  |  |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  |  | 5,367 |  |  |  | 5,178 | 5,367 | 5,178 | 3,742
Chargeoffs |  |  |  |  |  |  |  |  | 0 | 106 | 1,088
Recoveries |  |  |  |  |  |  |  |  | 20 | 95 | 0
Provision (credit) for loan losses |  |  |  |  |  |  |  |  | 729 | 200 | 2,524
Ending balance | 6,116 |  |  |  | 5,367 |  |  |  | 6,116 | 5,367 | 5,178
Ending balance specifically evaluated for impairment | 0 |  |  |  | 42 |  |  |  | 0 | 42 | 112
Ending balance collectively evaluated for impairment | 6,116 |  |  |  | 5,325 |  |  |  | 6,116 | 5,325 | 5,066
Ending balance | 699,340 |  |  |  | 576,198 |  |  |  | 699,340 | 576,198 | 442,121
Ending balance specifically evaluated for impairment | 1,236 |  |  |  | 1,428 |  |  |  | 1,236 | 1,428 | 3,029
Ending balance collectively evaluated for impairment | 698,104 |  |  |  | 574,770 |  |  |  | 698,104 | 574,770 | 439,092
Commercial | Construction |  |  |  |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  |  | 746 |  |  |  | 662 | 746 | 662 | 365
Chargeoffs |  |  |  |  |  |  |  |  | 0 | 0 | 0
Recoveries |  |  |  |  |  |  |  |  | 0 | 0 | 0
Provision (credit) for loan losses |  |  |  |  |  |  |  |  | 75 | 84 | 297
Ending balance | 821 |  |  |  | 746 |  |  |  | 821 | 746 | 662
Ending balance specifically evaluated for impairment | 0 |  |  |  | 16 |  |  |  | 0 | 16 | 18
Ending balance collectively evaluated for impairment | 821 |  |  |  | 730 |  |  |  | 821 | 730 | 644
Ending balance | 93,907 |  |  |  | 79,365 |  |  |  | 93,907 | 79,365 | 56,565
Ending balance specifically evaluated for impairment | 685 |  |  |  | 689 |  |  |  | 685 | 689 | 770
Ending balance collectively evaluated for impairment | 93,222 |  |  |  | 78,676 |  |  |  | 93,222 | 78,676 | 55,795
Commercial | Other |  |  |  |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  |  | 2,830 |  |  |  | 3,438 | 2,830 | 3,438 | 3,329
Chargeoffs |  |  |  |  |  |  |  |  | 309 | 288 | 27
Recoveries |  |  |  |  |  |  |  |  | 13 | 84 | 37
Provision (credit) for loan losses |  |  |  |  |  |  |  |  | 563 | (404) | 99
Ending balance | 3,097 |  |  |  | 2,830 |  |  |  | 3,097 | 2,830 | 3,438
Ending balance specifically evaluated for impairment | 298 |  |  |  | 381 |  |  |  | 298 | 381 | 169
Ending balance collectively evaluated for impairment | 2,799 |  |  |  | 2,449 |  |  |  | 2,799 | 2,449 | 3,269
Ending balance | 319,359 |  |  |  | 264,570 |  |  |  | 319,359 | 264,570 | 285,015
Ending balance specifically evaluated for impairment | 846 |  |  |  | 1,303 |  |  |  | 846 | 1,303 | 1,779
Ending balance collectively evaluated for impairment | 318,513 |  |  |  | 263,267 |  |  |  | 318,513 | 263,267 | 283,236
Municipal |  |  |  |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  |  | 157 |  |  |  | 171 | 157 | 171 | 27
Chargeoffs |  |  |  |  |  |  |  |  | 0 | 0 | 0
Recoveries |  |  |  |  |  |  |  |  | 0 | 0 | 0
Provision (credit) for loan losses |  |  |  |  |  |  |  |  | 5 | (14) | 144
Ending balance | 162 |  |  |  | 157 |  |  |  | 162 | 157 | 171
Ending balance specifically evaluated for impairment | 0 |  |  |  | 0 |  |  |  | 0 | 0 | 0
Ending balance collectively evaluated for impairment | 162 |  |  |  | 157 |  |  |  | 162 | 157 | 171
Ending balance | 40,619 |  |  |  | 48,362 |  |  |  | 40,619 | 48,362 | 43,783
Ending balance specifically evaluated for impairment | 0 |  |  |  | 0 |  |  |  | 0 | 0 | 0
Ending balance collectively evaluated for impairment | 40,619 |  |  |  | 48,362 |  |  |  | 40,619 | 48,362 | 43,783
Residential | Construction |  |  |  |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  |  | 148 |  |  |  | 102 | 148 | 102 | 25
Chargeoffs |  |  |  |  |  |  |  |  | 0 | 0 | 0
Recoveries |  |  |  |  |  |  |  |  | 0 | 0 | 0
Provision (credit) for loan losses |  |  |  |  |  |  |  |  | 51 | 46 | 77
Ending balance | 199 |  |  |  | 148 |  |  |  | 199 | 148 | 102
Ending balance specifically evaluated for impairment | 0 |  |  |  | 0 |  |  |  | 0 | 0 | 0
Ending balance collectively evaluated for impairment | 199 |  |  |  | 148 |  |  |  | 199 | 148 | 102
Ending balance | 49,907 |  |  |  | 31,763 |  |  |  | 49,907 | 31,763 | 21,600
Ending balance specifically evaluated for impairment | 0 |  |  |  | 0 |  |  |  | 0 | 0 | 0
Ending balance collectively evaluated for impairment | 49,907 |  |  |  | 31,763 |  |  |  | 49,907 | 31,763 | 21,600
Residential | Term |  |  |  |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  |  | 2,733 |  |  |  | 2,579 | 2,733 | 2,579 | 1,024
Chargeoffs |  |  |  |  |  |  |  |  | 8 | 42 | 66
Recoveries |  |  |  |  |  |  |  |  | 29 | 66 | 34
Provision (credit) for loan losses |  |  |  |  |  |  |  |  | (195) | 130 | 1,587
Ending balance | 2,559 |  |  |  | 2,733 |  |  |  | 2,559 | 2,733 | 2,579
Ending balance specifically evaluated for impairment | 100 |  |  |  | 137 |  |  |  | 100 | 137 | 163
Ending balance collectively evaluated for impairment | 2,459 |  |  |  | 2,596 |  |  |  | 2,459 | 2,596 | 2,416
Ending balance | 613,919 |  |  |  | 550,783 |  |  |  | 613,919 | 550,783 | 522,070
Ending balance specifically evaluated for impairment | 3,089 |  |  |  | 8,173 |  |  |  | 3,089 | 8,173 | 9,414
Ending balance collectively evaluated for impairment | 610,830 |  |  |  | 542,610 |  |  |  | 610,830 | 542,610 | 512,656
Home equity line of credit |  |  |  |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  |  | 925 |  |  |  | 1,211 | 925 | 1,211 | 1,078
Chargeoffs |  |  |  |  |  |  |  |  | 29 | 0 | 153
Recoveries |  |  |  |  |  |  |  |  | 4 | 61 | 22
Provision (credit) for loan losses |  |  |  |  |  |  |  |  | 129 | (347) | 264
Ending balance | 1,029 |  |  |  | 925 |  |  |  | 1,029 | 925 | 1,211
Ending balance specifically evaluated for impairment | 0 |  |  |  | 0 |  |  |  | 0 | 0 | 0
Ending balance collectively evaluated for impairment | 1,029 |  |  |  | 925 |  |  |  | 1,029 | 925 | 1,211
Ending balance | 76,560 |  |  |  | 73,632 |  |  |  | 76,560 | 73,632 | 79,750
Ending balance specifically evaluated for impairment | 304 |  |  |  | 457 |  |  |  | 304 | 457 | 1,039
Ending balance collectively evaluated for impairment | 76,256 |  |  |  | 73,175 |  |  |  | 76,256 | 73,175 | 78,711
Consumer |  |  |  |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  |  | 833 |  |  |  | 778 | 833 | 778 | 867
Chargeoffs |  |  |  |  |  |  |  |  | 412 | 312 | 327
Recoveries |  |  |  |  |  |  |  |  | 144 | 85 | 132
Provision (credit) for loan losses |  |  |  |  |  |  |  |  | 497 | 282 | 106
Ending balance | 1,062 |  |  |  | 833 |  |  |  | 1,062 | 833 | 778
Ending balance specifically evaluated for impairment | 0 |  |  |  | 0 |  |  |  | 0 | 0 | 0
Ending balance collectively evaluated for impairment | 1,062 |  |  |  | 833 |  |  |  | 1,062 | 833 | 778
Ending balance | 21,063 |  |  |  | 22,976 |  |  |  | 21,063 | 22,976 | 25,857
Ending balance specifically evaluated for impairment | 0 |  |  |  | 2 |  |  |  | 0 | 2 | 8
Ending balance collectively evaluated for impairment | 21,063 |  |  |  | 22,974 |  |  |  | 21,063 | 22,974 | 25,849
Unallocated |  |  |  |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  |  | $ 1,782 |  |  |  | $ 2,134 | 1,782 | 2,134 | 1,182
Chargeoffs |  |  |  |  |  |  |  |  | 0 | 0 | 0
Recoveries |  |  |  |  |  |  |  |  | 0 | 0 | 0
Provision (credit) for loan losses |  |  |  |  |  |  |  |  | (104) | (352) | 952
Ending balance | 1,678 |  |  |  | 1,782 |  |  |  | 1,678 | 1,782 | 2,134
Ending balance specifically evaluated for impairment | 0 |  |  |  | 0 |  |  |  | 0 | 0 | 0
Ending balance collectively evaluated for impairment | 1,678 |  |  |  | 1,782 |  |  |  | 1,678 | 1,782 | 2,134
Ending balance | 0 |  |  |  | 0 |  |  |  | 0 | 0 | 0
Ending balance specifically evaluated for impairment | 0 |  |  |  | 0 |  |  |  | 0 | 0 | 0
Ending balance collectively evaluated for impairment | $ 0 |  |  |  | $ 0 |  |  |  | $ 0 | $ 0 | $ 0

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