Commitments and Contingencies - Additional Information (Details) $ in Thousands			12 Months Ended
	Sep. 26, 2024 complainant	Apr. 30, 2024 complainant	Dec. 31, 2025 USD ($) state guarantee	Dec. 31, 2024 USD ($)	Dec. 31, 2023	Jan. 01, 2025	Nov. 14, 2024 claim
Obligation with Joint and Several Liability Arrangement [Line Items]
Retention limits per life			$ 500
Life insurance ceded as percent of total life insurance in force			0.20%	0.30%
Life and accident and health insurance ceded as a percent of premium income			0.80%	0.20%
Percentage of annuities ceded			69.00%
Percentage of funds wihheld						100.00%
Life insurance assumed as a percent of life insurance in force			0.80%	0.80%
Life and accident and health insurance assumed as a percent of premium income			0.60%	0.90%	1.30%
Number of performance guarantees | guarantee			1
Letters of credit facility outstanding			$ 115,000	$ 115,000
Number of states private entities contracted with for audits | state			47
Number of complainants | complainant	6	6
Number of claims | claim							1
Letter of Credit
Obligation with Joint and Several Liability Arrangement [Line Items]
Letter of credit maximum available amount			$ 250,000