Quarterly report pursuant to Section 13 or 15(d)

Mortgage Note Receivable - Additional Information (Detail)

v3.7.0.1
Mortgage Note Receivable - Additional Information (Detail)
3 Months Ended 6 Months Ended
Jun. 30, 2017
USD ($)
Jun. 30, 2016
USD ($)
Jun. 30, 2017
USD ($)
Jun. 30, 2016
USD ($)
Jul. 31, 2015
Apr. 14, 2015
USD ($)
Jul. 25, 2014
USD ($)
ft²
Debt Disclosure [Abstract]              
Mortgage notes receivable $ 0   $ 0       $ 5,600,000
Square Footage (unaudited) | ft²             81,371
Interim financing loan           $ 300,000  
Percentage of Interest earned in cash (as percent)         9.00%    
Estimated percentage of rate of Interest (as percent)         22.00%    
Interest income from mortgage note receivable $ 0 $ 0 $ 0 $ 385,000