Derivative Financial Instruments Schedule of Fair Value Hedging Instruments, Statements of Financial Performance and Financial Position, Location (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Derivative [Line Items]
Derivative Asset, Fair Value, Amount Offset Against Collateral	$ 6,364	$ 7,748
Derivative Asset	133,481	297,338
Derivative Liability, Fair Value, Amount Offset Against Collateral	6,364	7,748
Derivative Liability	13,301	392
Derivative Asset, Fair Value, Amount Not Offset Against Collateral	51	666
Derivative Asset, Fair Value, Offset Against Collateral, Net of Not Subject to Master Netting Arrangement, Policy Election	51	720
Derivative Liability, Fair Value, Amount Not Offset Against Collateral	428	265
Derivative Liability, Fair Value, Offset Against Collateral, Net of Not Subject to Master Netting Arrangement, Policy Election	428	319
Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative Liability, Fair Value, Gross Liability	8,483	12,352
Derivative Asset, Fair Value, Gross Asset	25,636	41,774
Derivative Asset, Fair Value, Amount Offset Against Collateral	25,636	41,720
Derivative Asset	0	54
Derivative Liability, Fair Value, Amount Offset Against Collateral	8,483	12,298
Derivative Liability	$ 0	$ 54