Note 8 - Reinsurance - Net Premiums Written and Earned, Insurance (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Premiums Written, Net [Abstract]
Direct premiums written	$ 253,239	$ 269,240	$ 762,707	$ 820,267
Ceded premiums written	(14,555)	(9,789)	(35,157)	(72,912)
Premiums Earned, Net [Abstract]
Direct premiums earned	277,948	328,729	863,176	945,288
Ceded premiums earned	(30,513)	(45,204)	(93,026)	(141,706)
Ceded Credit Risk [Line Items]
Direct Premiums Written	253,239	269,240	762,707	820,267
Ceded premiums written	14,555	9,789	35,157	72,912
Premiums Written, Net	240,367	262,393	733,146	756,940
Direct premiums earned	277,948	328,729	863,176	945,288
Ceded Premiums Earned	30,513	45,204	93,026	141,706
Net premiums earned (Note 8)	249,118	286,471	775,746	813,181
Ceding commissions earned	7,120	17,038	25,446	40,457
Ceded losses	795	10,189	3,463	51,786
Deferred ceding commissions	40,700		40,700		$ 52,500
Mortgage segment
Premiums Written, Net [Abstract]
Direct premiums written	240,669	266,067	734,993	812,806
Assumed premiums written	1,683	2,942	5,596	9,585
Ceded premiums written	(14,236)	(9,731)	(34,572)	(72,681)
Premiums Earned, Net [Abstract]
Direct premiums earned	265,378	325,556	835,462	937,827
Assumed premiums earned	1,683	2,946	5,596	9,599
Ceded premiums earned	(30,194)	(45,146)	(92,441)	(141,475)
Ceded Credit Risk [Line Items]
Direct Premiums Written	240,669	266,067	734,993	812,806
Assumed premiums written	1,683	2,942	5,596	9,585
Ceded premiums written	14,236	9,731	34,572	72,681
Direct premiums earned	265,378	325,556	835,462	937,827
Assumed premiums earned	1,683	2,946	5,596	9,599
Ceded Premiums Earned	30,194	45,146	92,441	141,475
homegenius segment
Premiums Written, Net [Abstract]
Direct premiums written	12,570	3,173	27,714	7,461
Ceded premiums written	(319)	(58)	(585)	(231)
Premiums Earned, Net [Abstract]
Direct premiums earned	12,570	3,173	27,714	7,461
Ceded premiums earned	(319)	(58)	(585)	(231)
Ceded Credit Risk [Line Items]
Direct Premiums Written	12,570	3,173	27,714	7,461
Ceded premiums written	319	58	585	231
Direct premiums earned	12,570	3,173	27,714	7,461
Ceded Premiums Earned	$ 319	$ 58	$ 585	$ 231