Investments - Narrative (Details)	3 Months Ended	6 Months Ended
Jun. 30, 2026 USD ($) security	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($) security	Jun. 30, 2025 USD ($)	Dec. 31, 2025 USD ($) security
Debt Securities, Available-for-Sale [Line Items]
Pledged securities	$ 0		$ 0		$ 0
Sale of AFS securities	0	$ 0	0	$ 0
Accrued interest receivable on securities	47,000		47,000		47,000
Allowance for credit losses on securities	$ 0		$ 0		$ 0
Number of securities in unrealized loss position for less than 12 months \| security	1		1		0
Number of securities in unrealized loss position for more than 12 months \| security	15		15		15
Equity securities	$ 5,000,000		$ 5,000,000		$ 0
Agency mortgage-backed securities
Debt Securities, Available-for-Sale [Line Items]
Number of portfolio securities \| security	11		11		11
Municipal bonds
Debt Securities, Available-for-Sale [Line Items]
Number of portfolio securities \| security	11		11		11

Number of U.S. agency and non-U.S. agency mortgage backed securities in the Company's portfolio.

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