Offsetting Assets and Liabilities - Offsetting Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Securities Loaned [Abstract]
Gross Amounts of Recognized Liabilities	$ 125,101	$ 272,580
Gross Amounts Offset in the Statement of Financial Condition	0	0
Net Amounts of Liabilities Presented in the Statement of Financial Condition	125,101	272,580
Financial Instruments Collateral	(122,369)	(267,053)
Cash Collateral Pledged	0	0
Net Amount	2,732	5,527
Derivative Liability [Abstract]
Cash Collateral Pledged	(7,800)	(4,200)
Derivatives
Derivative Liability [Abstract]
Gross Amounts of Recognized Liabilities	18,180	13,712
Gross Amounts Offset in the Statement of Financial Condition	0	0
Net Amounts of Liabilities Presented in the Statement of Financial Condition	18,180	13,712
Financial Instruments Collateral	0	0
Cash Collateral Pledged	(7,795)	(4,158)
Net Amount	$ 10,385	$ 9,554