Derivative Instruments and Hedging Activities - Schedule of Changes in Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Accumulated other comprehensive income (loss):
Beginning balance	$ (483)
Ending balance	(13,137)	$ (483)
Gains (Losses) on Cash Flow Hedges [Member]
Accumulated other comprehensive income (loss):
Beginning balance	(483)	11
Other comprehensive income before reclassifications	(14,781)	1,169
Amounts reclassified from accumulated other comprehensive income (loss) to interest expense	2,127	(1,663)
Unrealized loss on derivatives, net of tax	(12,654)	(494)
Ending balance	$ (13,137)	$ (483)