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Other Comprehensive (Loss) Income - Schedule of Changes in Each Component of Accumulated Other Comprehensive (Loss) Income, Net of Tax (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Investment securities available-for-sale: |  |
Beginning balance | $ 1,274,283 | $ 1,228,321
Amortization of unrealized loss on securities transferred to held-to-maturity | 1,385 | 641
Other comprehensive (loss) income | (3,411) | 18,593
Ending balance | 1,259,413 | 1,241,958
Securities Available For Sale |  |
Investment securities available-for-sale: |  |
Beginning balance | (122,246) | (154,773)
Other comprehensive loss (income) before reclassifications | (5,067) | 17,936
Amounts reclassified from accumulated other comprehensive income (loss) | (3) | 16
Amortization of unrealized loss on securities transferred to held-to-maturity | 0 | 0
Other comprehensive (loss) income | (5,070) | 17,952
Ending balance | (127,316) | (136,821)
Securities Held to Maturity |  |
Investment securities available-for-sale: |  |
Beginning balance | (39,929) | (44,734)
Other comprehensive loss (income) before reclassifications | 0 | 0
Amounts reclassified from accumulated other comprehensive income (loss) | 0 | 0
Amortization of unrealized loss on securities transferred to held-to-maturity | 1,385 | 641
Other comprehensive (loss) income | 1,385 | 641
Ending balance | (38,544) | (44,093)
Derivatives |  |
Investment securities available-for-sale: |  |
Beginning balance | (182) | 0
Other comprehensive loss (income) before reclassifications | 274 | 0
Amounts reclassified from accumulated other comprehensive income (loss) | 0 | 0
Amortization of unrealized loss on securities transferred to held-to-maturity | 0 | 0
Other comprehensive (loss) income | 274 | 0
Ending balance | 92 | 0
Accumulated Other Comprehensive Income (Loss) |  |
Investment securities available-for-sale: |  |
Beginning balance | (162,357) | (199,507)
Other comprehensive loss (income) before reclassifications | (4,793) | 17,936
Amounts reclassified from accumulated other comprehensive income (loss) | (3) | 16
Amortization of unrealized loss on securities transferred to held-to-maturity | 1,385 | 641
Other comprehensive (loss) income | (3,411) | 18,593
Ending balance | $ (165,768) | $ (180,914)

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