Note 21 - Related Party Transactions (Details Textual) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016
Operating Leases, Rent Expense	$ 65,982	$ 57,850
Revenue from Related Parties	635	1,059
Minority Shareholders of Subsidiaries [Member]
Operating Leases, Rent Expense	$ 356	643
Lessee, Operating Lease, Term of Contract	10 years
Minority Shareholders of Subsidiaries [Member] \| Minimum [Member]
Property Management Contract Term	1 year
Minority Shareholders of Subsidiaries [Member] \| Maximum [Member]
Property Management Contract Term	3 years
Non-controlling Shareholders [Member]
Due from Related Parties	$ 8,093	$ 4,897
Non-controlling Shareholders [Member] \| Minimum [Member]
Related Party Transaction, Rate	0.00%
Non-controlling Shareholders [Member] \| Maximum [Member]
Related Party Transaction, Rate	2.45%

Represents the property management contract term.

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- Definition

For an unclassified balance sheet, amounts due from related parties including affiliates, employees, joint ventures, officers and stockholders, immediate families thereof, and pension funds.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
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-Name Accounting Standards Codification
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-Name Accounting Standards Codification
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-Section S99
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- Definition

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

No definition available.

+ Details

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- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
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- Definition

Identify the stated interest rate per the agreement, for example, leasing and debt arrangements between related parties.

+ References

No definition available.

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- Definition

Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(e))
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