Note 6 - Variable Interest Entities ("VIE") - Summary of Restricted Assets and VIE Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Restricted Assets:
Real estate, net	$ 323,100	$ 326,900
Cash and cash equivalents	3,500	3,800
Accounts and notes receivable, net	1,900	1,600
Other assets	1,900	1,400
Assets of Consolidated Variable Interest Entities	330,443	333,705
VIE Liabilities:
Mortgages payable, net	138,000	138,600
Other liabilities	43,400	37,600
Liabilities of Consolidated Variable Interest Entities	$ 181,360	$ 176,216