Quarterly report pursuant to Section 13 or 15(d)

Segment Information - Schedule of Revenues and Operating Income (loss) by Segment (Details) (Parenthetical)

v3.10.0.1
Segment Information - Schedule of Revenues and Operating Income (loss) by Segment (Details) (Parenthetical) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Segment Reporting [Abstract]        
Non-cash impairment charges $ 0 $ 800,000 $ 1,700,000 $ 1,500,000