Liability for Unpaid Claims - Schedule of Reconciliation of Policy Claims and Other Benefits Payable (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Policy claims and other benefits payable:
Policy claims and other benefits payable	$ 540,832	$ 532,832
Life insurance
Policy claims and other benefits payable:
Policy claims and other benefits payable	315,595	321,838
Health insurance
Policy claims and other benefits payable:
Policy claims and other benefits payable	$ 225,237	$ 210,994	$ 194,809	$ 184,286