Stockholder's Equity - Summary of the Components of Changes in Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Equity [Abstract]
Accumulated other comprehensive loss - beginning balance	$ (3,033)	$ (1,331)
Other comprehensive income (loss) before reclassifications	4,475	(2,781)
Amounts reclassified from accumulated other comprehensive loss to interest expense	2,218	1,039
Net current period other comprehensive income (loss)	6,693	(1,742)	$ (1,402)
Less other comprehensive (income) loss attributable to noncontrolling interests	(215)	40
Other comprehensive income (loss) attributable to common stockholders	6,478	(1,702)
Accumulated other comprehensive income (loss) - ending balance	$ 3,445	$ (3,033)	$ (1,331)