Unpaid Losses and Loss Adjustment Expenses - Changes in the Liability for Unpaid Losses and Loss Adjustment Expenses (Details) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward]
Gross reserves - beginning of period	$ 145,362,000	$ 140,938,000	$ 165,539,000	$ 139,085,000	$ 139,085,000
Less: reinsurance recoverables on unpaid losses	(61,101,000)	(40,605,000)	(82,651,000)	(40,344,000)	(40,344,000)
Net reserves - beginning of period	84,261,000	100,333,000	82,888,000	98,741,000	98,741,000
Add: incurred losses and LAE, net of reinsurance:
Current period	18,797,000	12,727,000	33,723,000	25,224,000
Prior period	522,000	9,524,000	(691,000)	15,045,000
Total net incurred losses and LAE	19,319,000	22,251,000	33,032,000	40,269,000
Deduct: loss and LAE payments, net of reinsurance:
Current period	7,454,000	5,167,000	9,441,000	7,679,000
Prior period	7,627,000	14,190,000	17,980,000	28,104,000
Total net loss and LAE payments	15,081,000	19,357,000	27,421,000	35,783,000
Net reserves - end of period	88,499,000	103,227,000	88,499,000	103,227,000	82,888,000
Plus: reinsurance recoverables on unpaid losses	56,505,000	37,769,000	56,505,000	37,769,000	82,651,000
Gross reserves - end of period	$ 145,004,000	$ 140,996,000	$ 145,004,000	$ 140,996,000	$ 165,539,000