Investments - Impairments on Investments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Schedule of Impairments [Line Items]
Credit impaired	$ (275)	$ (365)
Expected credit losses:
Net impairment losses recognized in earnings	(676)	(914)
Total available-for-sale securities
Schedule of Impairments [Line Items]
Intent to sell	10	0
Credit impaired	(275)	(365)
Total available-for-sale securities	(265)	(365)
Agent loans
Expected credit losses:
Agent loans	(199)	(164)
Other loans receivable
Expected credit losses:
Agent loans	(256)	(394)
Net impairment losses recognized in earnings	$ (212)	$ (385)