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Note 2 - Changes in Noncontrolling Owners' Interests in Subsidiaries and Consolidated Joint Ventures (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Subsidiaries [Member] | RLW [Member]
Change in fair value			$ (59)
Subsidiaries [Member] | RHB [Member] | RHB Amendment [Member]
Change in fair value			(18,103)
Subsidiaries [Member] | RHB [Member]
Change in fair value			1,875
Subsidiaries [Member] | Myers [Member]
Change in fair value	$ (7,367)
Subsidiaries [Member]
Balance, beginning of period	7,462	$ 4,097	20,046
Net Income Attributable to Non-controlling Interest Included in Liabilities			2,024
Net income attributable to noncontrolling interest included in equity	3,216	4,556	1,879
Distributions to noncontrolling interests owners	(3,402)	(1,191)	(3,056)
Acquisition of RLW noncontrolling interest			(509)
Balance, end of period	(91)	7,462	4,097
Net Income Attributable to Non-controlling Interest Included in Liabilities			2,024
Distributions to noncontrolling interests owners	$ (3,402)	$ (994)	$ (416)

X

- Definition

Amount of net income or loss for the period allocated to the non-controlling interest included in liabilities in order to derive to the portion attributable to the parent.

+ References

No definition available.

+ Details

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X

- Definition

This element represents the fair value of the noncontrolling interest in the acquiree at the acquisition date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (e)(1)
-URI http://asc.fasb.org/extlink&oid=56956791&loc=d3e4845-128472

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X

- Definition

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 45
-Paragraph 21
-URI http://asc.fasb.org/extlink&oid=51664549&loc=SL4613674-111683

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 45
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=51664549&loc=SL4569643-111683

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 55
-Paragraph 4K
-URI http://asc.fasb.org/extlink&oid=35736750&loc=SL4591552-111686

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X

- Definition

For each line item in the statement of financial position, the amounts of gains and losses from fair value changes included in earnings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 30
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612

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X

- Definition

Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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X

- Definition

Carrying amount of the equity interests owned by noncontrolling shareholders, partners, or other equity holders in joint ventures included in the entity's consolidated financial statements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 45
-Paragraph 16
-URI http://asc.fasb.org/extlink&oid=51664549&loc=SL4568740-111683

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X

- Details

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X

- Details

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X

- Details

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- Details

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