Loss and Loss Adjustment Expense Reserves (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Loss and Loss Adjustment Expense Reserves
Reserves for losses and LAE at beginning of year	$ 570,651	$ 567,581
Less receivable from reinsurers related to unpaid losses and LAE	(90,667)	(106,311)
Net reserves for losses and LAE at beginning of year	479,984	461,270
Incurred losses and LAE, related to:
Current year	403,173	381,996
Prior years	(43,223)	(41,211)
Total incurred losses and LAE	359,950	340,785
Paid losses and LAE related to:
Current year	236,571	211,048
Prior years	149,977	111,708
Total paid losses and LAE	386,548	322,756
Net reserves for losses and LAE at end of period	453,386	479,299
Plus receivable from reinsurers related to unpaid losses and LAE	92,026	99,248	$ 90,667
Reserves for losses and LAE at end of period	545,412	578,547
Prior years	$ (43,223)	$ (41,211)