Premiums and Reinsurance Related Information - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Effects of Reinsurance [Line Items]
Ceded written premiums	$ 63,486	$ 40,310	$ 111,066	$ 72,059
Ceded premiums earned	48,928	29,592	93,806	55,513
Ceded losses and loss adjustment expenses	28,909	17,030	55,868	31,521
Reinsurance recoverable	192,025		192,025		$ 139,389
Related Party
Effects of Reinsurance [Line Items]
Ceded written premiums	7,100	4,400	11,900	7,300
Ceded premiums earned	4,900	1,700	9,400	2,600
Ceded losses and loss adjustment expenses	2,900	$ 1,000	5,600	$ 1,500
Reinsurance recoverable	$ 11,500		$ 11,500		$ 5,900