Note 15- Noncontrolling Interests - Redemption Value of the Redeemable Noncontrolling Interests (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015
Balance		$ 86,709	$ 91,480
Income (1)	[1]	4,349	7,061
Distribution		(4,105)	(5,922)
Conversion of redeemable units			(5,910)
Balance		$ 86,953	$ 86,709

[1] Includes $1.0 million in fair market value remeasurement for the year ended December 31, 2015.