Securities Purchased under Resale Agreements and Sold under Repurchase Agreements - Schedule Of Balance Sheet Offsetting For Resale And Repurchase Agreements (Details) - USD ($)	Sep. 30, 2025	Dec. 31, 2024
Resale agreements
Gross Amounts of Recognized Assets	$ 425,000,000	$ 425,000,000
Gross Amounts Offset on the Consolidated Balance Sheet	0	0
Net Amounts of Assets Presented on the Consolidated Balance Sheet	425,000,000	425,000,000
Gross Amounts Not Offset on the Consolidated Balance Sheet
Collateral Received	(349,887,000)	(329,603,000)
Net Amount	75,113,000	95,397,000
Repurchase agreements
Gross Amounts of Recognized Liabilities	53,489,000	0
Gross Amounts Offset on the Consolidated Balance Sheet	0
Net Amounts of Liabilities Presented on the Consolidated Balance Sheet	53,489,000	$ 0
Gross Amounts Not Offset on the Consolidated Balance Sheet
Collateral pledged	(53,489,000)
Net Amount	$ 0

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