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Investments - Additional Information (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024	Sep. 30, 2024
Schedule of Investments [Line Items]
Debt Securities, Available-for-sale, Allowance for Credit Loss	$ 0	$ 0	$ 0
Securities fair value	32,587	22,861
Debt Securities, Available-for-sale, Unrealized Loss Position	61,582	119,024
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	2,687	5,351
Debt Securities, Available for sale, Unrealized Loss Position, Accumulated Loss, Including Pledged Securities	$ 61,582
Average Percentage of Unrealized Loss Versus Amortized Cost for Investment Grade Securities	6.00%
Fiduciary Funds Held by Insurance Distribution Subsidiaries	$ 3,916	2,845
Fixed Income Securities [Member]
Schedule of Investments [Line Items]
Debt Securities, Available-for-sale, Allowance for Credit Loss	0	0
Debt Securities, Available-for-sale, Unrealized Loss Position	61,582	119,024
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	2,687	5,351
Fixed Income Securities [Member] | Corporate Debt Securities [Member]
Schedule of Investments [Line Items]
Debt Securities, Available-for-sale, Allowance for Credit Loss	0	0
Debt Securities, Available-for-sale, Unrealized Loss Position	36,124	70,396
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	2,180	3,905
Fixed Income Securities [Member] | Corporate Debt Securities [Member] | External Credit Rating, Investment Grade
Schedule of Investments [Line Items]
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	2,180
Fixed Income Securities [Member] | Residential Mortgage-Backed Securities [Member]
Schedule of Investments [Line Items]
Debt Securities, Available-for-sale, Allowance for Credit Loss	0	0
Debt Securities, Available-for-sale, Unrealized Loss Position	1,722	2,446
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	14	29
Fixed Income Securities [Member] | Asset-backed Securities [Member]
Schedule of Investments [Line Items]
Debt Securities, Available-for-sale, Allowance for Credit Loss	0	0
Debt Securities, Available-for-sale, Unrealized Loss Position	0	1,428
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax	$ 0	$ 2

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