XML 60 R49.htm IDEA: XBRL DOCUMENT v3.5.0.2
Investments (Investment in Unconsolidated Joint Venture) - Additional Information (Detail) - USD ($)
1 Months Ended 9 Months Ended 12 Months Ended
Jan. 31, 2016
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Schedule of Investments [Line Items]        
Amount of gains (losses) on sale of investment to company $ 383,000      
Maximum exposure loss relating to VIE   $ 4,940,000   $ 4,787,000
Undistributed gain (loss) from equity method investment   5,000   $ 148,000
Cash distribution   $ 0 $ 0  
FMKT Mel JV, LLC [Member]        
Schedule of Investments [Line Items]        
Gross proceeds from outparcel land 829,000      
Repayment of construction loan 515,000      
Gain on sale of land $ 404,000