Derivatives (Offsetting Derivative Assets and Liabilities Subject to Master Netting Arrangements) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Derivative Instruments And Hedging Activities Disclosure [Abstract]
Gross Amounts Recognized, Derivative Assets	$ 223,072	$ 36,790
Gross Amounts Offset in the Statement of Financial Position, Derivative Assets	(112,338)	(29,882)
Net Amounts Presented in the Statement of Financial Position, Derivative Assets	110,734	6,908
Gross Amounts Not Offset in the Statement of Financial Position - Financial Instruments, Derivative Assets	32,601	6,908
Gross Amounts Not offset in the Statement of Financial Position - Cash Collateral, Derivative Assets	(27,852)	0
Net Amounts Presented in the Statement of Financial Position, Derivative Assets	105,985	0
Gross Amounts Recognized, Derivative Liabilities	116,395	85,448
Gross Amounts Offset in the Statement of Financial Position, Derivative Liabilities	(83,794)	(63,204)
Net Amounts Presented in the Statement of Financial Position, Derivative Liabilities	32,601	22,244
Gross Amounts Not Offset in the Statement of Financial Position - Financial Instruments, Derivative Liabilities	32,601	6,908
Gross Amounts Not Offset in the Statement of Financial Position - Cash Collateral, Derivative Liabilities	0	66,207
Gross Amounts Not Offset in the Statement of Financial Position - Net Amount, Derivatives Liabilities	$ (0)	$ (50,871)