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EMPLOYEE BENEFIT PLANS - Obligations, Assets, Reported Amounts (Details) - Defined benefit pension plan - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Change in benefit obligations: |  |  |
Benefit obligations at beginning of year | $ 139,566 | $ 147,934 |
Interest cost | 3,749 | 3,438 | $ 4,185
Actuarial gain | (32,996) | (6,406) |
Benefits paid | (5,637) | (5,400) |
Benefit obligations at end of year | 104,682 | 139,566 | 147,934
Change in plan assets: |  |  |
Fair value of plan assets at beginning of year | 113,976 | 100,969 |
Employer contribution |  | 3,312 |
Actual return on plan assets | (16,210) | 15,095 |
Benefits paid | (5,637) | (5,400) |
Fair value of plan assets at end of year | 92,129 | 113,976 | $ 100,969
Funded status at the end of year | (12,553) | (25,590) |
Amounts recognized in balance sheet: |  |  |
Non-current liability | (12,553) | (25,590) |
Amount recognized in accumulated other comprehensive income consists of: |  |  |
Prior service cost | (382) | (568) |
Net actuarial loss | (15,160) | (27,271) |
Amounts recognized in accumulated other comprehensive income | $ (15,542) | $ (27,839) |
Weighted-average assumption to determine benefit obligations |  |  |
Discount rate | 5.10% | 2.73% |
Weighted-average assumptions used to determine net periodic benefit cost |  |  |
Discount rate | 2.73% | 2.37% |
Expected return on plan assets | 6.00% | 6.50% |

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- Definition Amount, before tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (j) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI https://asc.fasb.org/extlink&oid=126968391&loc=SL7669686-108580 + Details
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- Definition Amount, before tax, of accumulated other comprehensive (income) loss for cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (j) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI https://asc.fasb.org/extlink&oid=126968391&loc=SL7669686-108580 + Details
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