Note 7 - Reinsurance Net Premiums Written and Earned, Insurance (Details) - USD ($) $ in Thousands		3 Months Ended			6 Months Ended
		Jun. 30, 2020	Jun. 30, 2019		Jun. 30, 2020	Jun. 30, 2019
Premiums Written, Net [Abstract]
Direct Premiums Written		$ 271,545	$ 279,991		$ 551,027	$ 541,022
Assumed Premiums Written	[1]	3,192	2,475		6,643	4,920
Ceded Premiums Written	[2]	(43,580)	(14,289)		(63,123)	(24,445)
Net premiums written—insurance		231,157	268,177		494,547	521,497
Premiums Earned, Net [Abstract]
Direct Premiums Earned		315,305	333,791	[3]	616,559	614,014	[3]
Assumed Premiums Earned	[1]	3,197	2,481		6,653	4,931
Ceded Premiums Earned	[2]	(69,207)	(37,106)	[3]	(96,502)	(56,267)	[3]
Net premiums earned—insurance		249,295	299,166	[3]	526,710	562,678	[3]
Ceded Credit Risk [Line Items]
Ceding Commissions Earned	[4]	13,453	16,353	[3]	23,419	25,038	[3]
Ceded losses		39,635	1,868		41,597	3,555
Unearned Ceding Commissions		$ 66,500	$ 80,800		$ 66,500	$ 80,800

[1] Includes premiums earned from our participation in certain credit risk transfer programs.

[2] Net of profit commission, which is impacted by the level of ceded losses recoverable, if any, on reinsurance transactions. See Note 10 for additional information on our reserve for losses and reinsurance recoverables.

[3] Includes a cumulative adjustment to unearned premiums recorded in the second quarter of 2019 related to an update to the amortization rates used to recognize revenue for Single Premium Policies. See Note 3 for further information.

[4] Deferred ceding commissions of $66.5 million and $80.8 million are included in other liabilities on our condensed consolidated balance sheets at June 30, 2020 and 2019, respectively.