Offsetting Assets and Liabilities - Offsetting Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Securities loaned
Gross Amounts of Recognized Liabilities	$ 65,860	$ 125,101
Gross Amounts Offset in the Statement of Financial Condition	0	0
Net Amounts of Liabilities Presented in the Statement of Financial Condition	65,860	125,101
Financial Instruments Collateral	(65,860)	(122,369)
Cash Collateral Pledged	0	0
Net Amount	0	2,732
Derivatives
Cash Collateral Pledged	(4,000)	(7,800)
Derivatives
Derivatives
Gross Amounts of Recognized Liabilities	11,859	18,180
Gross Amounts Offset in the Statement of Financial Condition	0	0
Net Amounts of Liabilities Presented in the Statement of Financial Condition	11,859	18,180
Financial Instruments Collateral	0	0
Cash Collateral Pledged	(4,031)	(7,795)
Net Amount	$ 7,828	$ 10,385