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EMPLOYEE AND POSTRETIREMENT BENEFIT PLANS - Profit Sharing and Deferred Compensation Plans (Details) |  |  | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2020 shares | Jul. 01, 2020 USD ($) | Dec. 31, 2022 USD ($) shares | Dec. 31, 2021 USD ($) shares | Dec. 31, 2020 USD ($) shares
Defined Contribution Plan Disclosure [Line Items] |  |  |  |  |
Matching contributions |  |  | $ 1,415,000 | $ 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 |  | 564,353 | 513,494 | 481,478
Employee Stock Ownership Plan (ESOP), Cash Contributions to ESOP |  |  | $ 1,170,000 | $ 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 |  |  | 892,000 | 878,000 |
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 |  |  | 14,000 | 13,000 | 6,000
Officers Nonqualified Deferred Compensation Arrangement [Member] |  |  |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |  |  |
Deferred Compensation Arrangement with Individual, Compensation Expense |  |  | $ 391,000 | $ 301,000 | $ 286,000

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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 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 https://asc.fasb.org/extlink&oid=109244661&loc=d3e17540-113929 + Details
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