Condensed Consolidated Statements of Comprehensive Income - 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		$ 5,008	$ 43,198	$ 28,784	$ 266,094
Other comprehensive loss:
Net unrealized loss on securities available for sale		(20,547)	(24,112)	(22,706)	(63,929)
Other comprehensive loss, before tax		(20,547)	(24,112)	(22,706)	(63,929)
Income tax effect	[1]	5,583	6,121	6,170	17,049
Other comprehensive loss, net of tax		(14,964)	(17,991)	(16,536)	(46,880)
Total comprehensive income (loss)		$ (9,956)	$ 25,207	$ 12,248	$ 219,214

[1] Income tax effect for the three and nine months ended September 30, 2022 reflects the release of the deferred tax asset valuation allowance on the securities available for sale portfolio.