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RETIREMENT PLANS, COSTS OF RETIREMENT PLANS (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items] |  |  |
401(k) plan expense | $ 636 | $ 610 | $ 590
Qualified noncontributory defined benefit retirement plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Plan expense | $ 1,298 | $ 1,178 | $ 1,111

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of cost for defined contribution plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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