Derivative Instruments (Balance Sheet Offsetting) (Details) - USD ($) $ in Thousands		Sep. 30, 2022	Dec. 31, 2021
Derivative Asset, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement		$ 38,460	$ 41,842
Derivative Asset, Amount Offset by Liabiilty		0	0
Derivative Assets	[1]	38,460	41,842
Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangement		55,768	12,101
Derivative Liability, Amount Offset by Asset		0	0
Derivative Liabilities	[1]	55,768	12,101
Derivatives subject to master netting agreements
Derivative Asset, Fair Value, Gross Asset		38,357	40,970
Derivative Asset, Amount Offset by Liabiilty		0	0
Derivative Asset, Net Amount Presented in the Balance Sheet		38,357	40,970
Derivative Asset, Not Offset, Policy Election Deduction		(113)	(347)
Derivatve asset, fair value of collateral		(35,763)	0
Derivative Asset, Fair Value, Amount Offset Against Collateral		2,481	40,623
Derivative Liability, Fair Value, Gross Liability		55,681	12,019
Derivative Liability, Amount Offset by Asset		0	0
Derivative Liability, Net Amount Presented in the Balance Sheet		55,681	12,019
Derivative Liability, Not Offset, Policy Election Deduction		(113)	(347)
Derivative Liability, Fair Value of Collateral		0	(10,146)
Derivative Liability, Fair Value, Amount Offset Against Collateral		55,568	1,526
Derivatives not subject to master netting agreements
Derivative Asset, Fair Value, Gross Asset		103	872
Derivative Asset, Amount Offset by Liabiilty		0	0
Derivative Asset, Not Subject to Master Netting Arrangement		103	872
Derivative Liability, Fair Value, Gross Liability		87	82
Derivative Liability, Amount Offset by Asset		0	0
Derivative Liability, Not Subject to Master Netting Arrangement		$ 87	$ 82

[1] * The fair value of each class of derivative is shown in Note 11.