Loss and Loss Adjustment Expense Reserves (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Jun. 30, 2024	Dec. 31, 2023
Reserves for losses and LAE at beginning of year	$ 603,081	$ 549,598
Less receivable from reinsurers related to unpaid losses and LAE	(112,623)	(93,394)
Net reserves for losses and LAE at beginning of year	490,458	456,204
Incurred losses and LAE, related to:
Current year	562,568	505,194
Prior years	(38,938)	(34,997)
Total incurred losses and LAE	523,630	470,197
Paid losses and LAE related to:
Current year	310,855	223,945
Prior years	190,654	224,989
Total paid losses and LAE	501,509	448,934
Net reserves for losses and LAE at end of period	512,579	477,467
Plus receivable from reinsurers related to unpaid losses and LAE	131,596	106,708		$ 112,623
Reserves for losses and LAE at end of period	644,175	584,175
Prior year accident reserves decrease	38,938	$ 34,997
Fair plan liability for claims and claims adjustment expense			$ 11,802
FAIR Plan, total net asset			$ 13,254
Fair Plan Restructuring
Paid losses and LAE related to:
FAIR Plan underwriting gain	$ 10,057