CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net Income	$ 222,927	$ 303,202	$ 284,757
Available-For-Sale and Transferred Securities:
Unrealized gains (losses) on available-for-sale securities	125,231	(672,570)	(151,426)
Reclassification adjustment for gains (losses) included in net income	31	(1,336)	(790)
Reclassification adjustment for securities transferred from available-for-sale to held-to-maturity	5,612	2,990	(3,551)
Tax effect	(34,264)	169,540	39,362
Net of tax amount	96,610	(501,376)	(116,405)
Cash Flow Hedge:
Unrealized gains on derivatives used for cash flow hedges	2,006	7,809	901
Reclassification adjustment for losses included in net income	(4,605)	(817)	0
Tax effect	668	(1,767)	(227)
Net of tax amount	(1,931)	5,225	674
Total other comprehensive income (loss), net of tax	94,679	(496,151)	(115,731)
Total Comprehensive Income (Loss)	$ 317,606	$ (192,949)	$ 169,026