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Quarterly Financial Data (Unaudited) (Details) - USD ($)
 3 Months Ended 12 Months Ended
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Quarterly Financial Information Disclosure [Abstract]                      
Revenue $ 139,441,000 $ 140,417,000 $ 155,654,000 $ 144,408,000 $ 145,853,000 $ 128,986,000 $ 132,085,000 $ 115,569,000 $ 579,920,000 $ 522,493,000 $ 454,795,000
Gross profit 16,357,000 20,825,000 25,062,000 19,102,000 17,174,000 12,594,000 13,766,000 2,262,000 81,346,000 45,796,000  
Operating loss (165,279,000) (14,803,000) (12,514,000) (20,294,000) (20,601,000) (13,591,000) (23,782,000) (34,907,000) (212,890,000) (92,881,000) (214,742,000)
Net loss $ (168,093,000) $ (23,789,000) $ (15,160,000) $ (28,287,000) $ (15,898,000) $ (6,999,000) $ (25,763,000) $ (42,073,000) $ (235,329,000) $ (90,733,000) $ (159,457,000)
Loss per common share:                      
Basic and diluted (in USD per share) $ (0.75) $ (0.11) $ (0.07) $ (0.13) $ (0.07) $ (0.03) $ (0.12) $ (0.19) $ (1.05) $ (0.41) $ (0.72)
Goodwill impairment $ 111,100,000               $ 111,108,000 $ 0 $ 0
Fixed asset impairments and retirements 28,800,000               32,916,000 0 6,454,000
Inventory impairments 4,200,000               4,471,000 0 51,181,000
Intangible asset impairments $ 3,300,000               $ 3,299,000 $ 0 $ 0