Quarterly report pursuant to Section 13 or 15(d)

Business Segment Information - Narrative (Details)

v3.5.0.2
Business Segment Information - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2016
Operating Segments | Canada    
Segment Reporting Information [Line Items]    
Bad debt expense   $ 1,934
Customer Who Declared Bankruptcy    
Segment Reporting Information [Line Items]    
Unallocated corporate activity $ 2,194 $ 3,195