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Reverse Recapitalization (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Mar. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Jan. 01, 2018
Dec. 31, 2017
stockholders' (deficit) equity $ 229,108 $ (13,237) $ (6,786) $ (4,861) $ 393   $ 7,816
Treasury Stock              
Additional paid in capital           $ (1,500)  
Retroactive application of recapitalization              
stockholders' (deficit) equity   $ 17,558   $ 17,558 $ 8,669