Note 9 - Acquisitions and Subsidiaries and Joint Ventures with Noncontrolling Owners' Interests (Details) - The following table summarizes the changes in the obligation for noncontrolling owners’ interests in (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
The following table summarizes the changes in the obligation for noncontrolling owners’ interests in [Abstract]
Balance, beginning of period	$ 20,046	$ 18,375
Net income attributable to noncontrolling interest included in liabilities	288	11,780
Net income attributable to noncontrolling interest included in equity	678	296
Accretion of interest on RLW put/call		497
Change in fair value of RLW put/call	(59)	733
Change in fair value of RHB obligation	666
Issuance of noncontrolling interest in RHB in exchange for net assets of acquired companies		15,196
Distributions to noncontrolling interest owners	(2,735)	(4,885)
RLW Put/Call Payout	(509)
Other		(40)
Balance, end of period	$ 18,375	$ 41,952