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LOANS - Summary of Impaired Loans, Excluding Purchased Impaired (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Impaired loans |  |
Loans with allowance allocation | $ 7,102 | $ 27,437
Loans without allowance allocation | 7,417 | 8,138
Carrying balance | 14,519 | 35,575
Contractual balance | 16,963 | 38,362
Specifically allocated allowance | 566 | 3,874
Average carrying balance of individually assessed loans | 33,400 | 12,200
Interest income on individually assessed loans | $ 0 | $ 0

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- Definition Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5258-111524 + Details
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