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Allowance for Loan Losses - Activity by Class (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2021 | Sep. 30, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  |  | $ 16,253 |  |  |  | $ 11,639 | $ 16,253 | $ 11,639 | $ 11,232
Chargeoffs |  |  |  |  |  |  |  |  | 748 | 1,661 | 1,120
Recoveries |  |  |  |  |  |  |  |  | 391 | 225 | 277
Provision (credit) | $ (1,950) | $ 525 | $ 525 | 525 | $ 1,500 | $ 1,800 | $ 2,350 | 400 | (375) | 6,050 | 1,250
Ending balance | 15,521 |  |  |  | 16,253 |  |  |  | 15,521 | 16,253 | 11,639
Ending balance specifically evaluated for impairment | 576 |  |  |  | 462 |  |  |  | 576 | 462 | 2,213
Ending balance collectively evaluated for impairment | 14,945 |  |  |  | 15,791 |  |  |  | 14,945 | 15,791 | 9,426
Ending balance | 1,647,649 |  |  |  | 1,476,761 |  |  |  | 1,647,649 | 1,476,761 | 1,297,075
Ending balance specifically evaluated for impairment | 12,052 |  |  |  | 16,039 |  |  |  | 12,052 | 16,039 | 29,274
Ending balance collectively evaluated for impairment | 1,635,597 |  |  |  | 1,460,722 |  |  |  | 1,635,597 | 1,460,722 | 1,267,801
Commercial | Real estate |  |  |  |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  |  | 5,178 |  |  |  | 3,742 | 5,178 | 3,742 | 3,567
Chargeoffs |  |  |  |  |  |  |  |  | 106 | 1,088 | 89
Recoveries |  |  |  |  |  |  |  |  | 95 | 0 | 15
Provision (credit) |  |  |  |  |  |  |  |  | 200 | 2,524 | 249
Ending balance | 5,367 |  |  |  | 5,178 |  |  |  | 5,367 | 5,178 | 3,742
Ending balance specifically evaluated for impairment | 42 |  |  |  | 112 |  |  |  | 42 | 112 | 251
Ending balance collectively evaluated for impairment | 5,325 |  |  |  | 5,066 |  |  |  | 5,325 | 5,066 | 3,491
Ending balance | 576,198 |  |  |  | 442,121 |  |  |  | 576,198 | 442,121 | 372,810
Ending balance specifically evaluated for impairment | 1,428 |  |  |  | 3,029 |  |  |  | 1,428 | 3,029 | 6,309
Ending balance collectively evaluated for impairment | 574,770 |  |  |  | 439,092 |  |  |  | 574,770 | 439,092 | 366,501
Commercial | Construction |  |  |  |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  |  | 662 |  |  |  | 365 | 662 | 365 | 255
Chargeoffs |  |  |  |  |  |  |  |  | 0 | 0 | 0
Recoveries |  |  |  |  |  |  |  |  | 0 | 0 | 0
Provision (credit) |  |  |  |  |  |  |  |  | 84 | 297 | 110
Ending balance | 746 |  |  |  | 662 |  |  |  | 746 | 662 | 365
Ending balance specifically evaluated for impairment | 16 |  |  |  | 18 |  |  |  | 16 | 18 | 0
Ending balance collectively evaluated for impairment | 730 |  |  |  | 644 |  |  |  | 730 | 644 | 365
Ending balance | 79,365 |  |  |  | 56,565 |  |  |  | 79,365 | 56,565 | 38,084
Ending balance specifically evaluated for impairment | 689 |  |  |  | 770 |  |  |  | 689 | 770 | 958
Ending balance collectively evaluated for impairment | 78,676 |  |  |  | 55,795 |  |  |  | 78,676 | 55,795 | 37,126
Commercial | Other |  |  |  |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  |  | 3,438 |  |  |  | 3,329 | 3,438 | 3,329 | 3,541
Chargeoffs |  |  |  |  |  |  |  |  | 288 | 27 | 179
Recoveries |  |  |  |  |  |  |  |  | 84 | 37 | 73
Provision (credit) |  |  |  |  |  |  |  |  | (404) | 99 | (106)
Ending balance | 2,830 |  |  |  | 3,438 |  |  |  | 2,830 | 3,438 | 3,329
Ending balance specifically evaluated for impairment | 381 |  |  |  | 169 |  |  |  | 381 | 169 | 1,273
Ending balance collectively evaluated for impairment | 2,449 |  |  |  | 3,269 |  |  |  | 2,449 | 3,269 | 2,056
Ending balance | 264,570 |  |  |  | 285,015 |  |  |  | 264,570 | 285,015 | 218,773
Ending balance specifically evaluated for impairment | 1,303 |  |  |  | 1,779 |  |  |  | 1,303 | 1,779 | 7,075
Ending balance collectively evaluated for impairment | 263,267 |  |  |  | 283,236 |  |  |  | 263,267 | 283,236 | 211,698
Municipal |  |  |  |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  |  | 171 |  |  |  | 27 | 171 | 27 | 24
Chargeoffs |  |  |  |  |  |  |  |  | 0 | 0 | 0
Recoveries |  |  |  |  |  |  |  |  | 0 | 0 | 0
Provision (credit) |  |  |  |  |  |  |  |  | (14) | 144 | 3
Ending balance | 157 |  |  |  | 171 |  |  |  | 157 | 171 | 27
Ending balance specifically evaluated for impairment | 0 |  |  |  | 0 |  |  |  | 0 | 0 | 0
Ending balance collectively evaluated for impairment | 157 |  |  |  | 171 |  |  |  | 157 | 171 | 27
Ending balance | 48,362 |  |  |  | 43,783 |  |  |  | 48,362 | 43,783 | 41,288
Ending balance specifically evaluated for impairment | 0 |  |  |  | 0 |  |  |  | 0 | 0 | 0
Ending balance collectively evaluated for impairment | 48,362 |  |  |  | 43,783 |  |  |  | 48,362 | 43,783 | 41,288
Residential | Construction |  |  |  |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  |  | 102 |  |  |  | 25 | 102 | 25 | 34
Chargeoffs |  |  |  |  |  |  |  |  | 0 | 0 | 0
Recoveries |  |  |  |  |  |  |  |  | 0 | 0 | 0
Provision (credit) |  |  |  |  |  |  |  |  | 46 | 77 | (9)
Ending balance | 148 |  |  |  | 102 |  |  |  | 148 | 102 | 25
Ending balance specifically evaluated for impairment | 0 |  |  |  | 0 |  |  |  | 0 | 0 | 0
Ending balance collectively evaluated for impairment | 148 |  |  |  | 102 |  |  |  | 148 | 102 | 25
Ending balance | 31,763 |  |  |  | 21,600 |  |  |  | 31,763 | 21,600 | 14,813
Ending balance specifically evaluated for impairment | 0 |  |  |  | 0 |  |  |  | 0 | 0 | 0
Ending balance collectively evaluated for impairment | 31,763 |  |  |  | 21,600 |  |  |  | 31,763 | 21,600 | 14,813
Residential | Term |  |  |  |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  |  | 2,579 |  |  |  | 1,024 | 2,579 | 1,024 | 1,235
Chargeoffs |  |  |  |  |  |  |  |  | 42 | 66 | 445
Recoveries |  |  |  |  |  |  |  |  | 66 | 34 | 57
Provision (credit) |  |  |  |  |  |  |  |  | 130 | 1,587 | 177
Ending balance | 2,733 |  |  |  | 2,579 |  |  |  | 2,733 | 2,579 | 1,024
Ending balance specifically evaluated for impairment | 137 |  |  |  | 163 |  |  |  | 137 | 163 | 237
Ending balance collectively evaluated for impairment | 2,596 |  |  |  | 2,416 |  |  |  | 2,596 | 2,416 | 787
Ending balance | 550,783 |  |  |  | 522,070 |  |  |  | 550,783 | 522,070 | 492,455
Ending balance specifically evaluated for impairment | 8,173 |  |  |  | 9,414 |  |  |  | 8,173 | 9,414 | 12,439
Ending balance collectively evaluated for impairment | 542,610 |  |  |  | 512,656 |  |  |  | 542,610 | 512,656 | 480,016
Home equity line of credit |  |  |  |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  |  | 1,211 |  |  |  | 1,078 | 1,211 | 1,078 | 730
Chargeoffs |  |  |  |  |  |  |  |  | 0 | 153 | 69
Recoveries |  |  |  |  |  |  |  |  | 61 | 22 | 4
Provision (credit) |  |  |  |  |  |  |  |  | (347) | 264 | 413
Ending balance | 925 |  |  |  | 1,211 |  |  |  | 925 | 1,211 | 1,078
Ending balance specifically evaluated for impairment | 0 |  |  |  | 0 |  |  |  | 0 | 0 | 447
Ending balance collectively evaluated for impairment | 925 |  |  |  | 1,211 |  |  |  | 925 | 1,211 | 631
Ending balance | 73,632 |  |  |  | 79,750 |  |  |  | 73,632 | 79,750 | 92,349
Ending balance specifically evaluated for impairment | 457 |  |  |  | 1,039 |  |  |  | 457 | 1,039 | 2,488
Ending balance collectively evaluated for impairment | 73,175 |  |  |  | 78,711 |  |  |  | 73,175 | 78,711 | 89,861
Consumer |  |  |  |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  |  | 778 |  |  |  | 867 | 778 | 867 | 630
Chargeoffs |  |  |  |  |  |  |  |  | 312 | 327 | 338
Recoveries |  |  |  |  |  |  |  |  | 85 | 132 | 128
Provision (credit) |  |  |  |  |  |  |  |  | 282 | 106 | 447
Ending balance | 833 |  |  |  | 778 |  |  |  | 833 | 778 | 867
Ending balance specifically evaluated for impairment | 0 |  |  |  | 0 |  |  |  | 0 | 0 | 5
Ending balance collectively evaluated for impairment | 833 |  |  |  | 778 |  |  |  | 833 | 778 | 862
Ending balance | 22,976 |  |  |  | 25,857 |  |  |  | 22,976 | 25,857 | 26,503
Ending balance specifically evaluated for impairment | 2 |  |  |  | 8 |  |  |  | 2 | 8 | 5
Ending balance collectively evaluated for impairment | 22,974 |  |  |  | 25,849 |  |  |  | 22,974 | 25,849 | 26,498
Unallocated |  |  |  |  |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  |  |  | $ 2,134 |  |  |  | $ 1,182 | 2,134 | 1,182 | 1,216
Chargeoffs |  |  |  |  |  |  |  |  | 0 | 0 | 0
Recoveries |  |  |  |  |  |  |  |  | 0 | 0 | 0
Provision (credit) |  |  |  |  |  |  |  |  | (352) | 952 | (34)
Ending balance | 1,782 |  |  |  | 2,134 |  |  |  | 1,782 | 2,134 | 1,182
Ending balance specifically evaluated for impairment | 0 |  |  |  | 0 |  |  |  | 0 | 0 | 0
Ending balance collectively evaluated for impairment | 1,782 |  |  |  | 2,134 |  |  |  | 1,782 | 2,134 | 1,182
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

X
- Definition Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
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