Schedule VI - Supplemental Information Concerning Insurance Operations - (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Supplemental Information for Property, Casualty Insurance Underwriters [Line Items]
Claim and claim adjustment expenses incurred related to current year	$ 226,537	$ 358,952	$ 262,118
Claim and claim adjustment expenses incurred related to prior year	6,237	17,551	10,971
Property and Casualty Insurance
Supplemental Information for Property, Casualty Insurance Underwriters [Line Items]
Deferred acquisition costs	18,829	25,405	56,136
Loss and loss adjustment expense reserves	738,794	540,367	324,362
Unearned premiums	342,747	366,789	360,870
Earned premiums	183,303	364,134	363,652
Net investment income	6,770	11,786	15,901
Claim and claim adjustment expenses incurred related to current year	226,523	358,898	262,109
Claim and claim adjustment expenses incurred related to prior year	6,237	17,551	10,971
Amortization of Deferred Acquisition Costs	124,374	121,524	96,885
Paid claims and claims adjustment expense	230,312	354,143	254,806
Net Premiums Written	$ 183,707	$ 236,623	$ 377,879