Derivative Instruments - Outstanding Options on Ten-Year U.S. Treasury Note Futures Contracts (Details) $ in Thousands		12 Months Ended
		Dec. 31, 2021 USD ($) ₺ / mm	Sep. 30, 2022 USD ($)	Jun. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Jun. 30, 2021 USD ($)
Notional Amount		$ 0	$ 255,000	$ 155,000	$ 25,000	$ 0
Options on 10-Year U.S. Treasury Note Futures
Derivative maturity		2022-01
Notional Amount		$ 25,000
Weighted-average Strike Price | ₺ / mm		134.5
Implied Strike Rate	[1]	1.00%
Net Fair Value		$ 4

[1] The implied strike rate is estimated based upon the weighted average strike price per contract and the price of an equivalent 10-year U.S. Treasury note futures contract.