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LOANS AND ALLOWANCE FOR LOAN LOSSES - Allowance (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Changes in the allowance for loan losses |  |  |
Balance at beginning of period | $ 25,760 | $ 11,775 | $ 10,939
Charge-offs | (1,616) | (2,179) | (1,008)
Recoveries | 316 | 34 | 55
Provision (release) | (6,857) | 16,484 | 1,789
Allowance contributed with mortgage combination transaction |  | (354) |
Balance at end of period | 17,603 | 25,760 | 11,775
Individually evaluated for impairment | 475 | 1,296 | 574
Collectively evaluated for impairment, allowance | 17,128 | 24,464 | 11,201
Collectively evaluated for impairment | 1,830,317 | 1,399,968 |
Purchased credit impaired loans |  |  |
Changes in the allowance for loan losses |  |  |
Balance at beginning of period | 84 | 0 |
Charge-offs | (3) | (11) |
Provision (release) | (582) | (95) |
Balance at end of period | 663 | 84 | 0
Collectively evaluated for impairment, allowance | 663 | 84 |
Collectively evaluated for impairment | 18,700 |  |
Commercial |  |  |
Changes in the allowance for loan losses |  |  |
Balance at beginning of period | 24,033 | 10,098 | 8,605
Charge-offs | (1,367) | (1,932) | (998)
Recoveries | 231 | 22 | 1
Provision (release) | (8,797) | 15,845 | 2,490
Allowance contributed with mortgage combination transaction |  | 0 |
Balance at end of period | 14,100 | 24,033 | 10,098
Individually evaluated for impairment | 475 | 1,296 | 574
Collectively evaluated for impairment, allowance | 13,625 | 22,737 | 9,524
Collectively evaluated for impairment | 1,466,727 | 1,127,780 |
Commercial | Purchased credit impaired loans |  |  |
Changes in the allowance for loan losses |  |  |
Collectively evaluated for impairment | 13,900 |  |
Residential |  |  |
Changes in the allowance for loan losses |  |  |
Balance at beginning of period | 1,378 | 1,272 | 1,405
Charge-offs | (2) | (224) | 0
Recoveries | 0 | 0 | 1
Provision (release) | (428) | 684 | (134)
Allowance contributed with mortgage combination transaction |  | (354) |
Balance at end of period | 948 | 1,378 | 1,272
Individually evaluated for impairment | 0 | 0 | 0
Collectively evaluated for impairment, allowance | 948 | 1,378 | 1,272
Collectively evaluated for impairment | 297,961 | 238,304 |
Residential | Purchased credit impaired loans |  |  |
Changes in the allowance for loan losses |  |  |
Balance at beginning of period | 84 | 0 |
Charge-offs | (3) | (11) |
Provision (release) | (463) | (95) |
Balance at end of period | 544 | 84 | 0
Collectively evaluated for impairment, allowance | 544 | 84 |
Collectively evaluated for impairment | 4,400 |  |
Home equity |  |  |
Changes in the allowance for loan losses |  |  |
Balance at beginning of period | 298 | 327 | 684
Charge-offs | 0 | (23) | 0
Recoveries | 24 | 9 | 4
Provision (release) | (194) | (15) | (361)
Allowance contributed with mortgage combination transaction |  | 0 |
Balance at end of period | 128 | 298 | 327
Individually evaluated for impairment | 0 | 0 | 0
Collectively evaluated for impairment, allowance | 128 | 298 | 327
Collectively evaluated for impairment | 21,969 | 30,733 |
Consumer |  |  |
Changes in the allowance for loan losses |  |  |
Balance at beginning of period | 51 | 78 | 245
Charge-offs | (247) | 0 | (10)
Recoveries | 61 | 3 | 49
Provision (release) | 2,562 | (30) | (206)
Allowance contributed with mortgage combination transaction |  | 0 |
Balance at end of period | 2,427 | 51 | 78
Individually evaluated for impairment | 0 | 0 | 0
Collectively evaluated for impairment, allowance | 2,427 | 51 | 78
Collectively evaluated for impairment | 43,660 | 3,151 |
Consumer | Purchased credit impaired loans |  |  |
Changes in the allowance for loan losses |  |  |
Balance at beginning of period | 0 | 0 |
Charge-offs | 0 | 0 |
Provision (release) | (119) | 0 |
Balance at end of period | 119 | 0 | $ 0
Collectively evaluated for impairment, allowance | 119 | $ 0 |
Collectively evaluated for impairment | $ 400 |  |

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- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + 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 (g) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
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