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Quarterly Financial Information (Unaudited) - Summary of Unaudited Quarterly Results of Operations (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Quarterly Financial Information Disclosure [Abstract]                      
Net revenues $ 61,514 $ 54,267 [1] $ 51,667 [1] $ 53,494 $ 55,361 $ 44,330 $ 37,270 $ 48,284 $ 220,942 $ 185,245 $ 335,053
Gross profit 16,528 14,468 15,323 12,634 12,506 10,486 3,987 10,068 58,953 37,047 68,294
Net loss attributable to common shareholders $ (14,393) $ (20,847) $ (9,220) $ (7,826) $ (4,446) $ (8,832) $ (17,415) $ (8,981) $ (52,286) $ (39,674) $ (43,413)
Basic and diluted net loss per share attributable to common shareholders $ (0.26) $ (0.38) $ (0.17) $ (0.17)         $ (0.99) $ (1.05) $ (1.28)
Basic net loss per share attributable to common shareholders         $ (0.10) $ (0.23) $ (0.51) $ (0.26)      
Diluted net loss per share attributable to common shareholders         $ (0.13) $ (0.23) $ (0.51) $ (0.26)      
Correction of immaterial error   $ 300 $ 3,100                
[1] Net revenues for the second and third quarter of 2015 have been retrospectively revised by $3.1 million and $0.3 million, respectively, to correct an immaterial error of certain contra revenue, previously reported within costs of net revenues, as a decrease to net revenues.