Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net Income		$ 27,383	$ 37,297	$ 80,309	$ 98,737
Other Comprehensive (Loss) Income, Net of Tax:
Unrealized (loss) gain on securities available-for-sale		(21,314)	(60,029)	(15,452)	(151,453)
Reclassification adjustment for (gain) loss included in net income		(4)	(3)	10	114
Total unrealized (loss) gain on investment securities available-for-sale		(21,318)	(60,032)	(15,442)	(151,339)
Unrealized loss on securities transferred to held-to-maturity	[1]	0	0	0	(49,095)
Amortization of unrealized loss on securities transferred to held-to-maturity		1,400	1,762	3,444	3,753
Total unrealized gain (loss) on investment securities held-to-maturity		1,400	1,762	3,444	(45,342)
Net unrealized gain on derivatives		0	0	0	284
Other comprehensive (loss) income		(19,918)	(58,270)	(11,998)	(196,397)
Comprehensive Income (Loss)		$ 7,465	$ (20,973)	$ 68,311	$ (97,660)

[1] Represents unamortized accumulated other comprehensive loss on securities transferred to held-to-maturity status.