Debt - Carrying Values And Fair Values of Company's Term Loan (Detail) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Line Of Credit Facility [Line Items]
Carrying Value	$ 54,813
Term Loan [Member]
Line Of Credit Facility [Line Items]
Carrying Value	54,587	$ 55,022
Fair Value	$ 56,035	$ 55,022	[1]

[1] The Company entered in to the Term Loan on December 30, 2015, due to the short period of time the loan was outstanding carrying value approximates fair value at December 31, 2015