v3.3.1.900
Geographical Information - Long-lived Assets (Details) - Geographic Concentration Risk - Net Assets, Geographic Area - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]    
Long-lived assets $ 33,048 $ 21,728
Long-lived assets (as a percent) 100.00% 100.00%
Canada    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Long-lived assets $ 25,886 $ 17,758
Long-lived assets (as a percent) 78.30% 81.70%
United States    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Long-lived assets $ 7,162 $ 3,970
Long-lived assets (as a percent) 21.70% 18.30%