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Note 22 - Related Party Transactions (Details Textual) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Operating Leases, Rent Expense | $ 57,850 | $ 52,561 | $ 53,873
Revenue from Related Parties | 715 | 372 | 154
Due from Related Parties | 4,897 | 728 |
Due to Related Parties | 0 | 43 |
Minority Shareholders of Subsidiaries [Member] |  |  |
Operating Leases, Rent Expense | $ 643 | 478 | $ 1,080
Lessee Leasing Arrangements, Operating Leases, Term of Contract | 10 years |  |
Minority Shareholders of Subsidiaries [Member] | Minimum [Member] |  |  |
Property Management Contract Term | 1 year |  |
Debt Instrument, Term | 1 year |  |
Minority Shareholders of Subsidiaries [Member] | Maximum [Member] |  |  |
Property Management Contract Term | 3 years |  |
Debt Instrument, Term | 10 years |  |
First Service [Member] |  |  |
Due from Related Parties |  | 307 |
Rental Income, Nonoperating | $ 344 | $ 265 |

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