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Stockholders' Equity - Accumulated Other Comprehensive Income/(Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Components of accumulated other comprehensive income/(loss)
Beginning balance	$ 1,822,127	$ 1,883,242	$ 1,841,792	$ 1,899,915
OCI before reclassifications	32	(202)	(4,329)	2,410
Amounts reclassified from AOCI	(594)	(7,328)	(820)	(9,986)
Other Comprehensive Income/(Loss)	(562)	(7,530)	(5,149)	(7,576)
Ending balance	1,821,511	1,880,468	1,821,511	1,880,468
Total AOCI
Components of accumulated other comprehensive income/(loss)
Beginning balance	4,889	17,652	9,476	17,698
Ending balance	4,327	10,122	4,327	10,122
Net Unrealized Gain/(Loss) on AFS Securities
Components of accumulated other comprehensive income/(loss)
Beginning balance	4,889	17,652	9,476	17,698
OCI before reclassifications	32	(202)	(4,329)	2,410
Amounts reclassified from AOCI	(594)	(7,328)	(820)	(9,986)
Other Comprehensive Income/(Loss)	(562)	(7,530)	(5,149)	(7,576)
Ending balance	4,327	10,122	4,327	10,122
Net Unrealized Gain/(Loss) on Financing Agreements
Components of accumulated other comprehensive income/(loss)
Beginning balance	0	0	0	0
OCI before reclassifications	0	0	0	0
Amounts reclassified from AOCI	0	0	0	0
Other Comprehensive Income/(Loss)	0	0	0	0
Ending balance	$ 0	$ 0	$ 0	$ 0

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Amount after tax, before reclassification adjustments, of other comprehensive income (loss), attributable to parent.

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Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest.

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