Policyholders' Liabilities - Reconciliation to Liability for Future policy Benefits (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Jun. 30, 2024
Liability for Future Policy Benefit, by Product Segment [Line Items]
Future Policy Benefit Liability	$ 1,171,356	$ 1,190,588
Life Insurance, Permanent
Liability for Future Policy Benefit, by Product Segment [Line Items]
Future Policy Benefit Liability	687,835	705,140
Life Insurance, Permanent Limited Pay
Liability for Future Policy Benefit, by Product Segment [Line Items]
Future Policy Benefit Liability	170,573	174,312
Life Insurance, Deferred Profit Liability
Liability for Future Policy Benefit, by Product Segment [Line Items]
Future Policy Benefit Liability	32,288	29,749
Life Insurance, Other
Liability for Future Policy Benefit, by Product Segment [Line Items]
Future Policy Benefit Liability	33,630	29,609
Life Insurance, Net of Reinsurance
Liability for Future Policy Benefit, by Product Segment [Line Items]
Future Policy Benefit Liability	924,326	938,810
Life Insurance, Accident And Health, Other
Liability for Future Policy Benefit, by Product Segment [Line Items]
Future Policy Benefit Liability	737	634
Life Insurance And Accident And Health
Liability for Future Policy Benefit, by Product Segment [Line Items]
Future Policy Benefit Liability	925,063	939,444
Home Service Insurance, Life Insurance, Permanent
Liability for Future Policy Benefit, by Product Segment [Line Items]
Future Policy Benefit Liability	103,961	107,113
Home Service Insurance, Life Insurance, Permanent Limited Pay
Liability for Future Policy Benefit, by Product Segment [Line Items]
Future Policy Benefit Liability	97,015	101,742
Home Service Insurance, Life Insurance, Deferred Profit Liability
Liability for Future Policy Benefit, by Product Segment [Line Items]
Future Policy Benefit Liability	30,370	27,849
Home Service Insurance, Life Insurance, Other
Liability for Future Policy Benefit, by Product Segment [Line Items]
Future Policy Benefit Liability	14,444	14,079
Home Service Insurance, Life Insurance, Net of Reinsurance
Liability for Future Policy Benefit, by Product Segment [Line Items]
Future Policy Benefit Liability	245,790	250,783
Home Service Insurance, Accident And Health, Other
Liability for Future Policy Benefit, by Product Segment [Line Items]
Future Policy Benefit Liability	503	361
Home Service Insurance, Life Insurance And Home Service Insurance, Accident And Health
Liability for Future Policy Benefit, by Product Segment [Line Items]
Future Policy Benefit Liability	246,293	251,144
Permanent
Liability for Future Policy Benefit, by Product Segment [Line Items]
Future Policy Benefit Liability	791,796	812,253
Permanent Limited Pay
Liability for Future Policy Benefit, by Product Segment [Line Items]
Future Policy Benefit Liability	267,588	276,054
Deferred Profit Liability
Liability for Future Policy Benefit, by Product Segment [Line Items]
Future Policy Benefit Liability	62,658	57,598
Other
Liability for Future Policy Benefit, by Product Segment [Line Items]
Future Policy Benefit Liability	48,074	43,688
Life Insurance Product Line[Member]
Liability for Future Policy Benefit, by Product Segment [Line Items]
Future Policy Benefit Liability	1,170,116	1,189,593
Accident and Health Insurance Product Line
Liability for Future Policy Benefit, by Product Segment [Line Items]
Future Policy Benefit Liability	$ 1,240	$ 995

Liability for Future Policy Benefit, by Product Segment [Line Items]