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v3.23.3

Other Comprehensive Income - Summary of Components of OCI (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Equity [Abstract] |  |  |  |
Net change in fair value recorded in accumulated OCI, Before-tax | $ (130,768) | $ (194,111) | $ (128,340) | $ (539,066)
Net change in fair value recorded in accumulated OCI, Tax effect | 38,660 | 57,386 | 37,942 | 159,367
Net change in fair value recorded in accumulated OCI, After-tax | (92,108) | (136,725) | (90,398) | (379,699)
Amortization of unrealized losses on securities transferred from available-for-sale to held-to-maturity, Before-tax | (3,096) | 95 | 714 | 242
Amortization of unrealized gains (losses) on securities transferred from available-for-sale to held-to-maturity, Tax effect | 3,234 | (28) | (212) | (72)
Amortization of unrealized losses on securities transferred from available-for-sale to held-to-maturity, After-tax | 138 | 67 | 502 | 170
Net change in fair value recorded in accumulated OCI Before tax | 13,739 | 0 | 24,868 | 0
Net change in fair value recorded in accumulated OCI, Tax effect | (4,031) | 0 | (7,314) | 0
Net change in fair value recorded in accumulated OCI, After tax | 9,708 | 0 | 17,554 | 0
Net change, Before-tax | (120,125) | (194,016) | (102,758) | (538,825)
Net change, Tax effect | 37,863 | 57,358 | 30,416 | 159,296
Net change, After-tax | $ (82,262) | $ (136,658) | $ (72,342) | $ (379,529)

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