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Net Income (Loss) per Share - Basic and Diluted Net Income Per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Net income $ 1,324 $ 86,718
Impact of conversion of dilutive securities (2,293) (104,575)
Dilutive Net Loss $ (969) $ (17,857)
Net income (loss) per share    
Basic $ 0.00 $ 0.19
Diluted $ 0.00 $ (0.03)
Basic weighted average shares outstanding 497,473,222 455,942,886
Dilutive potential common stock outstanding    
Stock-based awards 2,905,016 8,982,055
Warrants 943,217 5,685,919
Diluted weighted average shares outstanding 540,532,813 605,198,839
Anti-dilutive shares outstanding 47,283,899 35,015,905
Stock-based awards    
Dilutive potential common stock outstanding    
Anti-dilutive shares outstanding 16,484,020 9,877,143
2023 Notes    
Dilutive potential common stock outstanding    
Convertible Notes   4,617,646
2025 Notes    
Dilutive potential common stock outstanding    
Convertible Notes 39,211,358 39,689,142
PHC Notes    
Dilutive potential common stock outstanding    
Convertible Notes   65,151,893
PHC Option    
Dilutive potential common stock outstanding    
Anti-dilutive shares outstanding   24,959,156
Energy Capital Option    
Dilutive potential common stock outstanding    
Convertible Notes   25,129,298
Anti-dilutive shares outstanding 30,372,058  
Warrants    
Dilutive potential common stock outstanding    
Anti-dilutive shares outstanding 427,821 179,606
Number of shares called by warrants 83,951,061