Insurance - Schedule of Actuarial Assumptions (Details)	Jun. 30, 2026	Jun. 30, 2025
Term and Whole Life \| Measurement Input, Mortality Rate, Expected
Market Risk Benefit [Line Items]
Market risk benefit, measurement input	0.0040	0.0039
Term and Whole Life \| Measurement Input, Mortality Rate, Actual
Market Risk Benefit [Line Items]
Market risk benefit, measurement input	0.0034	0.0041
Term and Whole Life \| Measurement Input, Lapses, Expected
Market Risk Benefit [Line Items]
Market risk benefit, measurement input	0.0385	0.0360
Term and Whole Life \| Measurement Input, Lapses, Actual
Market Risk Benefit [Line Items]
Market risk benefit, measurement input	0.0410	0.0281
Accidental Death and Disability Protection \| Measurement Input, Mortality Rate, Expected
Market Risk Benefit [Line Items]
Market risk benefit, measurement input	0.0001	0.0001
Accidental Death and Disability Protection \| Measurement Input, Mortality Rate, Actual
Market Risk Benefit [Line Items]
Market risk benefit, measurement input	0.0001	0.0001
Accidental Death and Disability Protection \| Measurement Input, Lapses, Expected
Market Risk Benefit [Line Items]
Market risk benefit, measurement input	0.0161	0.0172
Accidental Death and Disability Protection \| Measurement Input, Lapses, Actual
Market Risk Benefit [Line Items]
Market risk benefit, measurement input	0.0351	0.0211