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Restatement of Consolidated Financial Statements - Consolidated Statement of Stockholders' Equity (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Mar. 31, 2021
Dec. 31, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Error correction and prior-period adjustments            
Total stockholders’ equity $ 830,588 $ 909,406 $ 912,706 $ 972,730 $ 971,597 $ 975,373
As originally reported            
Error correction and prior-period adjustments            
Total stockholders’ equity       965,190    
Adjustments            
Error correction and prior-period adjustments            
Total stockholders’ equity       7,540    
Accumulated deficit            
Error correction and prior-period adjustments            
Total stockholders’ equity $ (426,413) $ (360,364) $ (357,751) (301,468) $ (292,328) $ (285,789)
Accumulated deficit | As originally reported            
Error correction and prior-period adjustments            
Total stockholders’ equity       (309,008)    
Accumulated deficit | Adjustments            
Error correction and prior-period adjustments            
Total stockholders’ equity       $ 7,540