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Available-for-Sale Securities - Narrative (Details)	Mar. 31, 2025 USD ($) position	Dec. 31, 2024 USD ($)
Debt Securities, Available-for-Sale [Line Items]
Number of unrealized loss positions | position	44
Unrealized holding losses depreciation percentage from amortized cost	18.90%	20.20%
Available-for-Sale Securities
Debt Securities, Available-for-Sale [Line Items]
Allowance for credit loss	$ 0	$ 0
U. S. Government agency and mortgage-backed securities
Debt Securities, Available-for-Sale [Line Items]
Allowance for credit loss	0
Corporate bonds
Debt Securities, Available-for-Sale [Line Items]
Allowance for credit loss	0
Asset Pledged as Collateral | Debt Securities
Debt Securities, Available-for-Sale [Line Items]
Financial instruments, owned, at fair value	$ 80,700,000	$ 60,200,000

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Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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The aggregate fair value as of the balance sheet date of financial instruments and other positions owned by the entity including: (1) mortgages, mortgage-backed and asset backed securities; (2) US government and agency obligations; (3) state and municipal government obligations; (4) other sovereign government debt; (5) corporate obligations; (6) corporate equities; (7) principal investments; (8) derivative contracts; and (9) physical commodities. Includes both pledged and unpledged holdings.

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Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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