Interest Rate Contracts - Impact of Derivative Instruments on Consolidated and Combined Statements of Operations - (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Amount of loss recognized in AOCI on derivatives (effective portion)	$ 4,475	$ (2,781)	$ (1,402)
Amount of gain (loss) reclassified from AOCI into earnings under "Interest expense" (effective portion)	(2,218)	(1,039)	0
Amount of gain (loss) recognized in earnings under "Interest expense" (ineffective portion and amount excluded from effectiveness testing)	$ 0	$ 0	$ 0