Derivative Instruments - Schedule of Outstanding Derivatives (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Derivative [Line Items]
Notional	$ 81,750	$ 3,796,860
Assets	3,546	436
Liabilities	12	32,295
Credit default swaps
Derivative [Line Items]
Notional	44,750	47,000
Assets	710	0
Liabilities	4	1,142
Interest rate swaps
Derivative [Line Items]
Notional	37,000	3,649,500
Assets	2,836	312
Liabilities	8	0
Notional, asset	35,200
Notional, liability	1,800
Interest rate swaps on unsecured debt
Derivative [Line Items]
Notional	0	100,000
Assets	0	0
Liabilities	0	31,153
Treasury note futures
Derivative [Line Items]
Notional	0	360
Assets	0	124
Liabilities	$ 0	$ 0

Nominal or face amount used to calculate payments on the derivative asset.

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