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EMPLOYEE AND POSTRETIREMENT BENEFIT PLANS - Profit Sharing and Deferred Compensation Plans (Details) |  |  | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2020 USD ($) shares | Jul. 01, 2020 USD ($) | Dec. 31, 2021 USD ($) shares | Dec. 31, 2020 USD ($) shares
Defined Contribution Plan Disclosure [Line Items] |  |  |  |
Matching contributions |  |  | $ 1,299,000 | $ 1,050,000
Employee Stock Ownership Plan (ESOP), Diversification Feature, Age Requirement |  |  | 55 |
Deferred Compensation Arrangement with Individual, Requisite Service Period |  |  | 10 years |
Employee Stock Ownership Plan (ESOP), Diversification Feature Percentage |  |  | 50.00% |
Employee Stock Ownership Plan (ESOP), Policy Diversification Feature Term |  |  | 6 years |
Employee Stock Ownership Plan (ESOP), Shares Repurchased | shares |  |  | 0 | 0
Employee Stock Ownership Plan (ESOP), Shares in ESOP, Total | shares | 481,478 |  | 513,494 | 481,478
Employee Stock Ownership Plan (ESOP), Cash Contributions to ESOP |  |  | $ 1,040,000 | $ 912,000
Deferred Compensation, Monthly Payments To Be Made To Executives Or His Heirs |  | $ 1,000,000 |  |
Deferred Compensation Arrangement with Individual, Maximum Contractual Term |  | 10 years |  |
Deferred Compensation Arrangement with Individual, Recorded Liability |  | $ 499,000 |  |
Deferred Compensation Liability Discount Rate | 1.50% | 1.50% |  |
Deferred Compensation Liability, Current and Noncurrent | $ 865,000 |  | 878,000 | 865,000
Merger Related Expenses |  |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |  |
Deferred Compensation Arrangement with Individual, Compensation Expense |  | $ 360,000 |  |
Pension And Other Employee Benefits Expenses |  |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |  |
Deferred Compensation Arrangement with Individual, Compensation Expense |  |  | 13,000 | 6,000
Officers Nonqualified Deferred Compensation Arrangement [Member] |  |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |  |
Deferred Compensation Arrangement with Individual, Compensation Expense |  |  | $ 314,000 | $ 286,000

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- Definition Represents the discount rate used to measure the deferred compensation liability. + References No definition available. + Details
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- Definition The amount of monthly deferred compensation payable to the executives or his heirs under the arrangement. + References No definition available. + Details
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- Definition The age a participant in an Employee Stock Ownership Plan must be in order to be eligible for the plans diversification feature. + References No definition available. + Details
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- Definition The maximum amount of Corporation shares that a participant in an Employee Stock Ownership Plan is allowed to sell back in a predetermined amount of time once qualifications for the plans diversification feature have been met. + References No definition available. + Details
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- Definition The period of time that a participant in an Employee Stock Ownership Plan has to sell back Corporation shares once qualifications for the plans diversification feature have been met. + References No definition available. + Details
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- Definition Maximum term of the deferred compensation arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -SubTopic 10 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6409961&loc=d3e20487-108367 + Details
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- Definition Minimum period the individual is required to perform services to be fully vested under the deferred compensation arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -SubTopic 10 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6409961&loc=d3e20487-108367 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition This item represents the amount of cash contributions during the period made by the entity to the Employee Stock Ownership Plan (ESOP). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 40 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109244661&loc=d3e17540-113929 + Details
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- Definition Sum of the allocated, committed-to-be-released and suspense shares of the entity held by the plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 40 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109244661&loc=d3e17540-113929 + Details
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