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ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables) | 6 Months Ended
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Jun. 30, 2023
ACCUMULATED OTHER COMPREHENSIVE LOSS [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] | Changes in Accumulated Other Comprehensive Loss by Component (1) Quarter ended June 30, Six-Month Period Ended June 30, 2023 2022 2023 2022 (In thousands) Unrealized net holding losses on available-for-sale debt securities: Beginning balance $ (718,744) $ (419,224) $ (805,972) $ (87,390) Other comprehensive (loss) income (2) (54,837) (175,923) 32,391 (507,757) Ending balance $ (773,581) $ (595,147) $ (773,581) $ (595,147) Adjustment of pension and postretirement benefit plans: Beginning balance $ 1,194 $ 3,391 $ 1,194 $ 3,391 Other comprehensive (loss) income - - - - Ending balance $ 1,194 $ 3,391 $ 1,194 $ 3,391 ____________________ (1) All amounts presented are net of tax. (2) Net unrealized holding (losses) gains on available-for-sale debt securities have no tax effect because securities are either tax-exempt, held by an IBE, or have a full deferred tax asset valuation allowance.

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