CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income		$ 62,562	$ 66,904
Other comprehensive income (loss), net of tax:
Unrealized (loss) gain on securities available-for-sale, net of income taxes	[1]	36,400	(118,591)
Reclassification adjustment for net loss (gain) on sales of securities included in net income, net of income taxes	[2]	(99)	(1,525)
Net unrealized loss on securities transferred from available-for-sale to held-to-maturity, net of income taxes	[3]	(36,076)	(16,558)
Amortization of unrealized loss on securities transferred from available-for-sale to held-to-maturity, net of income taxes	[4]	2,293	303
Other comprehensive income (loss), net of tax		2,518	(136,371)
Comprehensive income (loss), net of tax		$ 65,080	$ (69,467)

[1] Income tax expense (benefit) of the unrealized gain (loss) on securities was $14.4 million and $(47.4) million for the three months ended March 31, 2023 and March 31, 2022, respectively.

[2] Income tax expense on the reclassification adjustment for net gain on sales of securities included in net income was $39,000 and $609,000 for the three months ended March 31, 2023 and March 31, 2022, respectively.

[3] Income tax (benefit) expense on the unrealized loss on securities transferred from available-for-sale to held-to-maturity was $(14.3) million and $(6.6) million for the three months ended March 31, 2023 and March 31, 2022, respectively.

[4] Income tax expense on the amortization of unrealized loss on securities transferred from available-for-sale to held-to-maturity included in net income was $915,000 and $121,000 for the three months ended March 31, 2023 and March 31, 2022, respectively.