Reinsurance - Effects of Reinsurance and Assumption Transactions (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Written premiums:
Direct	$ 95,832	$ 97,801	$ 82,430
Assumed	42,187	34,294	28,905
Ceded	(46,787)	(30,666)	(18,395)
Net written premiums	91,232	101,429	92,940
Earned premiums:
Direct	97,843	91,943	75,130
Assumed	37,558	31,107	31,484
Ceded	(38,690)	(24,248)	(17,511)
Net earned premiums	96,711	98,802	89,103
Loss and loss adjustment expenses:
Direct	73,000	71,021	48,780
Assumed	43,487	25,740	24,429
Ceded	(35,047)	(26,900)	(16,981)
Total net incurred losses and LAE	$ 81,440	$ 69,861	$ 56,228