Premiums and Reinsurance Related Information - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Effects of Reinsurance [Line Items]
Ceded written premiums	$ 304,619	$ 244,295	$ 173,016
Ceded premiums earned	265,365	208,460	130,825
Ceded losses and loss adjustment expenses	171,731	123,250	76,024
Reinsurance recoverable, net	399,676	255,072
Related Party
Effects of Reinsurance [Line Items]
Ceded written premiums	34,700	28,000	18,000
Ceded premiums earned	30,100	21,700	9,000
Ceded losses and loss adjustment expenses	19,100	13,500	$ 5,300
Reinsurance recoverable, net	$ 36,500	$ 19,200