Investments - Narrative (Details) $ in Thousands	Jun. 30, 2024 USD ($) security	Dec. 31, 2023 USD ($) security
Net Investment Income [Line Items]
Short-term investments	$ 34,152	$ 35,588
Long-term investments	$ 101,409	$ 103,588
Number of securities in an unrealized loss position | security	530	410
Unrealized loss position for 12 months or longer | security	78
Investments Held By Captive Reinsurance Business
Net Investment Income [Line Items]
Investments	$ 37,500
Short-term investments	5,200
Long-term investments	$ 32,300