Other Assets - Derivative Instruments (Details) - Swaps, at fair value - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Derivative [Line Items]
Notional Amount	$ 3,177,260	$ 3,277,260
Weighted Average Fixed-Pay Interest Rate	1.86%	1.85%
Weighted Average Variable Interest Rate (as a percent)	5.34%	5.38%
Over 30 days to 3 months
Derivative [Line Items]
Notional Amount	$ 0	$ 100,000
Weighted Average Fixed-Pay Interest Rate	0.00%	1.49%
Weighted Average Variable Interest Rate (as a percent)	0.00%	5.38%
Over 6 months to 12 months
Derivative [Line Items]
Notional Amount	$ 1,000,010	$ 450,010
Weighted Average Fixed-Pay Interest Rate	1.09%	0.90%
Weighted Average Variable Interest Rate (as a percent)	5.34%	5.38%
Over 12 months to 24 months
Derivative [Line Items]
Notional Amount	$ 125,000	$ 675,000
Weighted Average Fixed-Pay Interest Rate	2.70%	1.52%
Weighted Average Variable Interest Rate (as a percent)	5.34%	5.38%
Over 24 months to 36 months
Derivative [Line Items]
Notional Amount	$ 1,300,000	$ 450,000
Weighted Average Fixed-Pay Interest Rate	1.42%	1.12%
Weighted Average Variable Interest Rate (as a percent)	5.34%	5.38%
Over 36 months to 48 months
Derivative [Line Items]
Notional Amount	$ 125,000	$ 975,000
Weighted Average Fixed-Pay Interest Rate	2.71%	1.73%
Weighted Average Variable Interest Rate (as a percent)	5.34%	5.38%
Over 48 months to 60 months
Derivative [Line Items]
Notional Amount	$ 24,600	$ 24,600
Weighted Average Fixed-Pay Interest Rate	4.28%	4.28%
Weighted Average Variable Interest Rate (as a percent)	5.34%	5.38%
Over 60 months to 72 months
Derivative [Line Items]
Notional Amount	$ 310,000	$ 310,000
Weighted Average Fixed-Pay Interest Rate	2.95%	2.95%
Weighted Average Variable Interest Rate (as a percent)	5.34%	5.38%
Over 72 months
Derivative [Line Items]
Notional Amount	$ 292,650	$ 292,650
Weighted Average Fixed-Pay Interest Rate	4.32%	4.32%
Weighted Average Variable Interest Rate (as a percent)	5.34%	5.38%