Investments - Impairments on Investments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Schedule of Impairments [Line Items]
Credit impaired	$ (1,389)	$ (484)
Expected credit losses:
Held-to-maturity securities	0	(2,167)
Net impairment losses recognized in earnings	(3,312)	(4,124)	$ (9,766)
Total available-for-sale securities
Schedule of Impairments [Line Items]
Intent to sell	(495)	(299)	(1,759)
Credit impaired	(1,389)	(484)	(670)
Total available-for-sale securities	(1,884)	(783)	(2,429)
Held-to-maturity securities
Expected credit losses:
Held-to-maturity securities	0	(2,167)	0
Agent loans
Expected credit losses:
Agent loans	(368)	(355)	0
Other loans receivable
Expected credit losses:
Agent loans	(2,928)	(1,117)
Net impairment losses recognized in earnings	$ (1,060)	$ (819)	$ (7,337)