Resale and Repurchase Agreements (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Balance Sheet Offsetting [Line Items]
Securities purchased under agreements to resell	$ 850,000	$ 625,000
Total resale agreements, subject to master netting arrangements
Balance Sheet Offsetting [Line Items]
Securities Purchased under Agreements to Resell, Gross	850,000	625,000
Securities Purchased under Agreements to Resell, Liability	0	0
Securities purchased under agreements to resell	850,000	625,000
Securities Purchased under Agreements to Resell, Not Subject to Master Netting Arrangement	0	0
Securities Purchased under Agreements to Resell, Collateral, Obligation to Return Securities	(850,000)	(625,000)
Securities Purchased under Agreements to Resell, Amount Offset Against Collateral	0	0
Total repurchase agreements, subject to master netting arrangements
Balance Sheet Offsetting [Line Items]
Securities Sold under Agreements to Repurchase, Gross	2,470,486	2,803,043
Securities Sold under Agreements to Repurchase, Asset	0	0
Securities Sold under Agreements to Repurchase	2,470,486	2,803,043
Securities Sold under Agreements to Repurchase, Not Subject to Master Netting Arrangement	0	0
Securities Sold under Agreements to Repurchase, Collateral, Right to Reclaim Securities	(2,470,486)	(2,803,043)
Securities Sold under Agreements to Repurchase, Amount Offset Against Collateral	$ 0	$ 0

[Line Items] for Balance Sheet Offsetting [Table]

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