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ALLOWANCE FOR CREDIT LOSSES - Additional Information (Details) - USD ($) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Jan. 01, 2022 | Dec. 31, 2019
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |  |  |  |  |  |
Accrued interest receivable |  | $ 25,157,000 |  | $ 21,589,000 |  |  |  |
Individually evaluated include Nonaccrual loans |  | 15,800,000 |  | 15,600,000 |  |  |  |
Individually evaluated loans balance |  | 14,055,000 |  | 19,887,000 |  |  |  |
Recording charge-off |  | 1,200,000 |  |  |  |  |  |
Individually evaluated non-accrual loans performing troubled debt restructured |  | 150,000 |  | 2,500,000 |  |  |  |
Allowance allocated to troubled debt restructured loans |  | 1,200,000 |  | 0 |  |  |  |
Allowance for credit losses |  | 60,829,000 | [1] | 61,697,000 | [1] | $ 67,309,000 |  | $ 43,676,000
Reduction to allowance for credit losses |  | (752,000) |  |  |  |  |  |
Provision for credit losses | [2] | $ 6,353,000 |  | $ 6,475,000 |  | $ 32,400,000 |  |
Allowance for credit losses, percentage of loans |  | 1.15% |  | 1.28% |  |  |  |
Off-balance sheet commitments, provision |  | $ 450,000 |  |  |  |  |  |
Loans [Member] |  |  |  |  |  |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |  |  |  |  |  |
Accrued interest receivable |  | $ 22,800,000 |  | $ 19,100,000 |  |  |  |
ASU 2016-13 [Member] |  |  |  |  |  |  |  |
Financing Receivable Recorded Investment Past Due [Line Items] |  |  |  |  |  |  |  |
Reduction to allowance for credit losses |  |  |  |  |  |  | $ 5,500,000 |
[1] | Commencing on January 1, 2022, the allowance calculation is based on the current expected credit loss ("CECL") methodology. Prior to January 1, 2022, the calculation was based on the incurred loss methodology.
[2] | Commencing on January 1, 2022, the allowance calculation is based on the CECL methodology. Prior to January 1, 2022 the calculation was based on the incurred loss methodology.

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- Definition Percentage of allowance for credit loss to total financing receivable outstanding. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (1) + Details
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- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI https://asc.fasb.org/extlink&oid=122038336&loc=d3e74567-122707 Reference 2: 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 https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI https://asc.fasb.org/extlink&oid=121614798&loc=d3e15032-111544 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
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