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Policyholders' Liabilities - Policyholders' Account Balance Reconciliation to Policyholders' Account Balances' Liability (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024	Jun. 30, 2024
Policyholder Account Balance [Line Items]
Annuities	$ 158,652	$ 149,977	$ 141,603
Premiums paid in advance	31,063	$ 31,182	32,737
Supplemental Contracts Without Life Contingencies
Policyholder Account Balance [Line Items]
Annuities	71,355		53,332
Fixed Annuity
Policyholder Account Balance [Line Items]
Annuities	85,811		86,792
Unearned Revenue Reserve
Policyholder Account Balance [Line Items]
Annuities	1,486		1,479
Premiums Paid In Advance
Policyholder Account Balance [Line Items]
Premiums paid in advance	28,915		30,627
Other
Policyholder Account Balance [Line Items]
Premiums paid in advance	$ 2,148		$ 2,110

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of liability due to policyholder for deposit held under long-duration contract issued by insurance entity.

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Carrying amount of premiums written on insurance contracts that have not been earned as of the balance sheet date.

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