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Note 7 - Variable Interest Entities ("VIE") - Summary of Restricted Assets and VIE Liabilities (Details)
$ in Thousands
Mar. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Number of consolidated VIEs 24 27
Real estate, net $ 104,400 $ 627,500
Cash and cash equivalents 3,100 9,800
Accounts and notes receivable, net 1,500 3,200
Other assets 2,300 4,500
Total Restricted Assets 111,268 644,990
Mortgages payable, net 35,900 340,900
Other liabilities 78,700 76,800
Total VIE Liabilities $ 114,617 $ 417,688
Variable Interest Entity, Unencumbered [Member]    
Number of consolidated VIEs 21 22
Variable Interest Entity, Encumbered by Third Party Non-resource Mortgage Debt [Member]    
Number of consolidated VIEs 3 5