Assets Purchased under Resale Agreements and Sold under Repurchase Agreements - Balance Sheet Offsetting (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Assets, Resale Agreements
Gross Amounts of Recognized Assets	$ 785,000	$ 792,192
Gross Amounts Offset on the Consolidated Balance Sheet	0	0
Net Amounts of Assets Presented on the Consolidated Balance Sheet	785,000	792,192
Gross Amounts Not Offset on the Consolidated Balance Sheet
Collateral Received	(715,358)	(701,790)
Net Amount	69,642	90,402
Liabilities, Repurchase Agreements
Gross Amounts of Recognized Liabilities	0	300,000
Gross Amounts Offset on the Consolidated Balance Sheet	0	0
Net Amounts of Liabilities Presented on the Consolidated Balance Sheet	0	300,000
Gross Amounts Not Offset on the Consolidated Balance Sheet
Collateral Pledged	0	(300,000)
Net Amount	$ 0	$ 0