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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Other Comprehensive Income (Loss), before Reclassification Adjustments and Tax [Abstract] |  |  |  |
Unrealized gain (loss) on debt securities | $ (444,257) | $ (67,759) | $ 36,643 |
Retirement obligations | (16,000) | 3,068 | 2,001 |
Total | (460,347) | (65,316) | 38,644 |
Other Comprehensive Income (Loss) Reclassifications before Tax [Abstract] |  |  |  |
Unrealized gain (loss) on debt securities | 569 | (759) | (4,563) |
Retirement obligation | 1,334 | 2,198 | 1,921 |
Total | (765) | (2,957) | (6,484) |
Transactions Pre-tax |  |  |  |
Unrealized gain (loss) on debt securities | (444,826) | (67,000) | 41,206 |
Retirement obligation | (14,666) | 5,266 | 3,922 |
Total | (459,582) | (62,359) | 45,128 |
Transactions Tax-effect |  |  |  |
Unrealized gain (loss) on debt securities | 97,863 | 14,462 | (8,894) |
Retirement obligation | 3,489 | (1,200) | (893) |
Total | 101,352 | 13,262 | (9,787) |
Transactions Net of tax |  |  |  |
Unrealized gain (loss) on debt securities | (346,963) | (52,538) | 32,312 |
Retirement obligation | (11,177) | 4,066 | 3,029 |
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax | (715) | (625) | 0 |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax | (90) | (625) |  |
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax | 0 | 0 |  |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax | (90) | (625) |  |
Other Comprehensive Income (Loss), Reclassification, Foreign Currency Transaction | 0 | 0 |  |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax | (90) | (625) |  |
Total | (358,230) | (49,097) | 35,341 |
Balances Net of tax |  |  |  |
Unrealized gain (loss) on debt securities | (325,925) | 21,038 | 73,576 | $ 41,264
Retirement obligation | (32,023) | (20,846) | (24,912) | (27,941)
Total | $ (358,663) | $ (433) | $ 48,664 | $ 13,323

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