Unpaid Losses and Loss Adjustment Reserve - Unpaid Losses and LAE Gross (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2022	Apr. 04, 2021
Unpaid Losses and Loss Adjustment Reserve
Reserve for unpaid losses and LAE	$ 84,366	$ 61,949
Reinsurance recoverable on losses and LAE	(56,752)	(76,999)	$ (82,898)
Reserve for unpaid losses and LAE reserve, net of reinsurance recoverables	1,468	5,197
Add provisions (reductions) for losses and LAE occurring in:
Current year	17,583	55,148
Prior years	921	1,155
Net incurred losses and LAE during the current year	18,504	56,303
Deduct payments for losses and LAE occurring in:
Current year	(13,154)	(32,111)
Prior years	(1,621)	(5,756)
Net claim and LAE payments during the current year	(14,775)	(37,867)
Reserve for unpaid losses and LAE, net of reinsurance recoverable, at end of period	5,197	23,633
Reinsurance recoverable on losses and LAE	56,752	76,999
Reserve for unpaid losses and LAE	$ 61,949	100,632
Provisions of losses and loss adjustment expense		$ 40