Disclosures About Offsetting Assets and Liabilities - Financial Liabilities and Derivative Liabilities that are Subject to Offset (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Offsetting Liabilities [Line Items]
Gross amounts of recognized liabilities, Securities lending	$ (68,105)	$ (149,219)
Net amounts presented in the Statement of Financial Condition, Securities lending	(68,105)	(149,219)
Gross amounts not offset in the Statement of Financial Position, Financial instruments, Securities lending	46,647	40,259
Gross amounts not offset in the Statement of Financial Position, Collateral pledged, Securities lending	21,448	108,955
Securities lending, Net amount	(10)	(5)
Gross amounts of recognized liabilities, Securities purchased under agreements to resell	(212,011)	(385,528)
Net amounts presented in the Statement of Financial Condition, Securities purchased under agreements to resell	(212,011)	(385,528)
Gross amounts not offset in the Statement of Financial Position, Financial instruments, Securities purchased under agreements to resell	12,028	52,413
Gross amounts not offset in the Statement of Financial Position, Collateral pledged, Securities purchased under agreements to resell	199,983	333,115
Gross amounts of recognized liabilities	(422,144)	(586,894)
Net amounts presented in the Statement of Financial Condition	(422,144)	(586,894)
Gross amounts not offset in the Statement of Financial Position, Financial instruments	60,634	117,821
Gross amounts not offset in the Statement of Financial Condition, Collateral pledged	247,281	469,068
Net amount	(114,229)	(5)
Interest Rate Contracts [Member]
Offsetting Liabilities [Line Items]
Gross amounts of recognized liabilities	(142,028)	(52,147)
Net amounts presented in the Statement of Financial Condition	(142,028)	(52,147)
Gross amounts not offset in the Statement of Financial Position, Financial instruments	1,959	25,149
Gross amounts not offset in the Statement of Financial Condition, Collateral pledged	25,850	$ 26,998
Offsetting liability interest rate contracts net	$ (114,219)