Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Statement Of Income And Comprehensive Income [Abstract]
Net Income (Loss)	$ 81,333	$ 110,258
Unrealized gains and losses on debt securities:
Change in unrealized holding gains and losses, net	76,235	(41,553)
Less: Reclassification adjustment for net gains included in net income	(390)	(139)
Amortization of net unrealized loss on securities transferred from available-for-sale to held-to-maturity	8,290	8,789
Change in unrealized gains and losses on debt securities	84,135	(32,903)
Unrealized gains and losses on derivative hedges:
Change in unrealized gains and losses on derivative hedges, net	22,646	(13,658)
Less: Reclassification adjustment for net gains included in net income	(24)	(3,660)
Change in unrealized gains and losses on derivative hedges	22,622	(17,318)
Other comprehensive income (loss), before tax	106,757	(50,221)
Income tax (expense) benefit	(26,405)	12,618
Other comprehensive income (loss)	80,352	(37,603)
Comprehensive income	$ 161,685	$ 72,655