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STOCK-BASED COMPENSATION PLANS - Performance Awards - Additional information (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 USD ($) item shares | Dec. 31, 2021 USD ($) shares | Dec. 31, 2020 USD ($) shares
STOCK-BASED COMPENSATION PLANS |  |  |
Shares issuable | shares | 31,999 | 47,820 | 48,976
Performance Awards |  |  |
STOCK-BASED COMPENSATION PLANS |  |  |
Number of sets of performance criteria | item | 2 |  |
Cumulative period of Relative Total Shareholder Pattern | 3 years |  |
Relative TSR employment weightage (as percent) | 50.00% |  |
Core ROATCE period | 3 years |  |
Relative Total Performance Goal, weightage (as percent) | 50.00% |  |
Vesting period | 3 years |  |
Estimated payout percent | 90.00% |  |
Shares issuable | shares | 31,999 |  |
Unrecognized stock-based compensation expense | $ | $ 700 |  |
Weighted-average period over which unrecognized expense | 2 years |  |
Total fair value of restricted stock vested | $ | $ 20 | $ 10 | $ 100

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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(2) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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