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Share-Based Transactions - Summary of Non-Cash Share-Based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total non-cash share-based compensation expense			$ 19,802	$ 19,543
Nonemployee Shares [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total non-cash share-based compensation expense	$ 4,325	$ 2,631	19,802	18,004
Nonemployee Shares [Member] | Term Life Insurance Segment [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total non-cash share-based compensation expense	437	890	2,658	3,986
Nonemployee Shares [Member] | Investment and Savings Products Segment [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total non-cash share-based compensation expense	721	713	2,608	2,467
Nonemployee Shares [Member] | Corporate and Other Distributed Products Segment [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Total non-cash share-based compensation expense	$ 3,167	$ 1,028	$ 14,536	$ 11,551

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Amount of noncash expense for share-based payment arrangement.

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