Financial Derivatives (Futures) (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
Derivative [Line Items]
Fair Value	$ 60,741	$ 6,596
Financial derivatives–assets, at fair value-	81,183	18,894
Derivative Liability	$ 20,442	12,298
Futures
Derivative [Line Items]
Remaining Years to Maturity	3 months 3 days
Financial derivatives–assets, at fair value-	$ 316	478
Derivative Liability	96	75
Short | Futures
Derivative [Line Items]
Notional Amount	48,200	219,500
Fair Value	220	$ 403
Remaining Years to Maturity		2 months 26 days
Financial Derivatives - Liabilities | Short | U.S. Treasury futures
Derivative [Line Items]
Notional Amount	$ 0	$ 51,400
Remaining Years to Maturity	0 years	2 months 19 days
Derivative Liability	$ 0	$ (39)
Financial Derivatives - Liabilities | Long | U.S. Treasury futures
Derivative [Line Items]
Notional Amount	$ 1,900	$ 1,900
Remaining Years to Maturity	2 months 23 days	2 months 19 days
Derivative Liability	$ (96)	$ (36)
Financial Derivatives - Assets | Short | U.S. Treasury futures
Derivative [Line Items]
Notional Amount	$ 50,100	$ 170,000
Remaining Years to Maturity	3 months 3 days	3 months
Financial derivatives–assets, at fair value-	$ 316	$ 478