Fair Value Measurements and Derivative Financial Instruments - Financial Liabilities Measured at Fair Value on Recurring Basis (Detail) - Interest Rate Swaps [Member] - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other long-term liabilities	$ (147)	$ (79)
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other long-term liabilities	$ (147)	$ (79)