Note 7 - Reinsurance Net Premiums Written and Earned, Insurance (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2020	Mar. 31, 2019
Premiums Written, Net [Abstract]
Direct Premiums Written		$ 279,482	$ 261,031
Assumed Premiums Written	[1]	3,451	2,445
Ceded Premiums Written	[2]	(19,543)	(10,156)
Net premiums written—insurance		263,390	253,320
Premiums Earned, Net [Abstract]
Direct Premiums Earned		301,254	280,223
Assumed Premiums Earned	[1]	3,456	2,450
Ceded Premiums Earned	[2]	(27,295)	(19,161)
Net premiums earned—insurance		277,415	263,512
Ceded Credit Risk [Line Items]
Ceding Commissions Earned	[3]	9,966	8,685
Ceded losses		1,962	1,687
Unearned Ceding Commissions		$ 71,600	$ 88,100

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

[2] Net of profit commission.

[3] Deferred ceding commissions of $71.6 million and $88.1 million are included in other liabilities on our condensed consolidated balance sheets at March 31, 2020 and 2019, respectively.