Derivatives (Offsetting Derivative Assets and Liabilities Subject to Master Netting Arrangements) (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Gross Amounts Recognized, Derivative Assets	$ 106,440	$ 152,740
Gross Amounts Offset in the Statement of Financial Condition, Derivative Assets	(51,000)	(68,282)
Net Amounts Presented in the Statement of Financial Condition, Derivative Assets	55,440	84,458
Gross Amounts Not Offset in the Statement of Financial Condition - Financial Instruments, Derivative Assets	52,690	84,458
Gross Amounts Not offset in the Statement of Financial Condition - Cash Collateral, Derivative Assets	54,804	0
Net Amounts Presented in the Statement of Financial Condition, Derivative Assets	(52,054)	0
Gross Amounts Recognized, Derivative Liabilities	52,696	87,567
Gross Amounts Offset in the Statement of Financial Condition, Derivative Liabilities	(6)	0
Net Amounts Presented in the Statement of Financial Condition, Derivative Liabilities	52,690	87,567
Gross Amounts Not Offset in the Statement of Financial Condition - Financial Instruments, Derivative Liabilities	52,690	84,458
Gross Amounts Not offset in the Statement of Financial Condition - Cash Collateral, Derivative Liabilities	0	96,176
Gross Amounts Not Offset in the Statement of Financial Condition - Net Amount, Derivatives Liabilities	$ 0	$ (93,067)