Investments in Real Estate - Proforma Financial Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Investments, All Other Investments [Abstract]
Revenues	$ 137,744	$ 116,585
Net income	$ 26,427	$ (76)
Net income attributable to common stockholders per share - basic (in dollars per share)	$ 0.42	$ 0.00
Net income attributable to common stockholders per share - diluted (in dollars per share)	$ 0.42	$ 0.00