Accumulated Other Comprehensive Income - Schedule of Components of AOCI (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
AOCI [Roll Forward]
Beginning Balance	$ 2,558,919	$ 2,666,803
OCI before reclassifications	(221)	(5,905)
Amounts reclassified from AOCI	0	1,315
Other comprehensive income (loss)	(221)	(4,590)
Ending Balance	2,645,586	2,649,387
Accumulated Other Comprehensive Income
AOCI [Roll Forward]
Beginning Balance	185,668	229,345
Other comprehensive income (loss)	(221)	(4,590)
Ending Balance	185,447	224,755
Unrealized gains (losses) on available-for-sale securities, net
AOCI [Roll Forward]
Beginning Balance	185,668	229,345
OCI before reclassifications	(221)	(5,905)
Amounts reclassified from AOCI	0	1,315
Other comprehensive income (loss)	(221)	(4,590)
Ending Balance	$ 185,447	$ 224,755