Stockholders’ Equity - AOCI (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 1,988,849	$ 2,542,848	$ 2,524,802
OCI before reclassifications	(2,873)	(24,237)	(31,715)
Amounts reclassified from AOCI	(770)	0	0
Other Comprehensive Income/(Loss)	(3,643)	(24,237)	(31,715)
Ending balance	1,899,915	1,988,849	2,542,848
Total  AOCI
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	21,341	45,578	77,293
Ending balance	17,698	21,341	45,578
Net Unrealized Gain/(Loss) on AFS Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	21,341	46,833	79,607
OCI before reclassifications	(2,873)	(25,492)	(32,774)
Amounts reclassified from AOCI	(770)	0	0
Other Comprehensive Income/(Loss)	(3,643)	(25,492)	(32,774)
Ending balance	17,698	21,341	46,833
Net Unrealized Gain/(Loss) on Financing Agreements
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	0	(1,255)	(2,314)
OCI before reclassifications	0	1,255	1,059
Amounts reclassified from AOCI	0	0	0
Other Comprehensive Income/(Loss)	0	1,255	1,059
Ending balance	$ 0	$ 0	$ (1,255)