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Note 9 - Acquired Subsidiaries with Noncontrolling Owners’ Interests and Earn-out Agreement (Details) - Changes in Noncontrolling Owners’ Interests in Subsidiaries and Consolidated Joint Ventures (Subsidiaries [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Subsidiaries [Member]
Note 9 - Acquired Subsidiaries with Noncontrolling Owners’ Interests and Earn-out Agreement (Details) - Changes in Noncontrolling Owners’ Interests in Subsidiaries and Consolidated Joint Ventures [Line Items]
Balance, beginning of period	$ 7,462us-gaap_MinorityInterestInJointVentures / dei_LegalEntityAxis = us-gaap_SubsidiariesMember	$ 4,097us-gaap_MinorityInterestInJointVentures / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Net income attributable to noncontrolling interest included in equity	292us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember	275us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Distributions to noncontrolling interest owners		(994)us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders / dei_LegalEntityAxis = us-gaap_SubsidiariesMember
Balance, end of period	$ 7,754us-gaap_MinorityInterestInJointVentures / dei_LegalEntityAxis = us-gaap_SubsidiariesMember	$ 3,378us-gaap_MinorityInterestInJointVentures / dei_LegalEntityAxis = us-gaap_SubsidiariesMember

X

- Details

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- 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=7656940&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=7656940&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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- 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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- 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=7656940&loc=SL4568740-111683

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