Note 7 - Reinsurance Net Premiums Written and Earned, Insurance (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018
Premiums Written, Net [Abstract]
Direct Premiums Written		$ 261,031	$ 256,599
Assumed Premiums Written	[1]	2,445	1,312
Ceded Premiums Written	[2]	(10,156)	(19,931)
Net premiums written—insurance		253,320	237,980
Premiums Earned, Net [Abstract]
Direct Premiums Earned		280,223	257,431
Assumed Premiums Earned	[1]	2,450	1,318
Ceded Premiums Earned	[2]	(19,161)	(16,199)
Net premiums earned—insurance		$ 263,512	$ 242,550

[1] Includes premiums earned from our participation in certain Front-end and Back-end credit risk transfer programs.

[2] Net of profit commission.