Description of Business and Significant Accounting Policies - Additional Information (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2016 USD ($) segment	Dec. 31, 2015 USD ($)
Summary Of Significant Accounting Policy [Line Items]
Number of reportable segments as result of acquisitions | segment	1
Deferred finance costs, net	$ 4,490	$ 5,781
Maximum | Geographic concentration risk | Sales revenue, gross
Summary Of Significant Accounting Policy [Line Items]
Concentration risk, less than 1%	1.00%
Accounting Standards Update 2015-03 | Other Current Assets
Summary Of Significant Accounting Policy [Line Items]
Deferred finance costs, net		(2,400)
Accounting Standards Update 2015-03 | Other Assets
Summary Of Significant Accounting Policy [Line Items]
Deferred finance costs, net		(3,400)
Accounting Standards Update 2015-03 | Notes Payable, Current
Summary Of Significant Accounting Policy [Line Items]
Deferred finance costs, net		2,400
Accounting Standards Update 2015-03 | Notes Payable
Summary Of Significant Accounting Policy [Line Items]
Deferred finance costs, net		$ 3,400