Fair Value Measurements - Fair Value of Other Financial Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Carrying Value
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Borrowings under revolving credit facility	$ 32,562	$ 25,148
Carrying Value | Term loan
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Term loan	10,000	25,398
Fair Value
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Borrowings under revolving credit facility	32,562	25,148
Fair Value | Term loan
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Term loan	$ 10,000	$ 25,398