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Redeemable Preferred Stock (Details)
$ / shares in Units, $ in Thousands
6 Months Ended
Apr. 21, 2020
USD ($)
D
$ / shares
shares
Jun. 30, 2020
USD ($)
$ / shares
Dec. 31, 2019
$ / shares
Temporary Equity [Line Items]      
Redeemable preferred stock issuance costs   $ 1,660  
Series A Convertible Preferred Stock      
Temporary Equity [Line Items]      
Proceeds from issuance of preferred stock $ 149,300    
Redeemable preferred stock issuance costs $ 1,700    
Liquidation preference per share (in dollars per share) | $ / shares $ 1,000    
Amortization period of discount 10 years    
Carrying value of the preferred stock increased for accretion of the PIK dividend $ 1,800    
PIK dividend rate 6.22%    
Percentage of increase in paid in kind dividend rate 1.00%    
Period of antidilutive offerings to be adjusted in calculation of conversion rate 9 months    
Threshold trading days | D 20    
Threshold consecutive trading days | D 30    
Percentage of then current liquidation preference per share plus accumulated and unpaid dividends as cash consideration 150.00%    
Convertible preferred stock redemption period 10 years    
Estimated amount for repurchase of redeemable preferred stock $ 231,000    
Series A Convertible Preferred Stock | Purchaser      
Temporary Equity [Line Items]      
Number of shares issued | shares 152,250    
Series A Convertible Preferred Stock | Convertible Preferred Stock, Dividend Rate For First Ten Years      
Temporary Equity [Line Items]      
PIK dividend rate 6.00%    
Series A Convertible Preferred Stock | Convertible Preferred Stock, Dividend Rate Thereafter      
Temporary Equity [Line Items]      
PIK dividend rate 8.00%    
Series A Convertible Preferred Stock | Prior to the fourth semi-annual PIK dividend payment date      
Temporary Equity [Line Items]      
Threshold stock price trigger percentage 180.00%    
Series A Convertible Preferred Stock | After fourth and prior to the fourth semi-annual PIK dividend payment date      
Temporary Equity [Line Items]      
Threshold stock price trigger percentage 170.00%    
Series A Convertible Preferred Stock | On or after the sixth and prior to the eighth semi-annual PIK dividend payment date      
Temporary Equity [Line Items]      
Threshold stock price trigger percentage 160.00%    
Series A Convertible Preferred Stock | On or after the eighth semi-annual PIK dividend payment date      
Temporary Equity [Line Items]      
Threshold stock price trigger percentage 150.00%    
Series A Convertible Preferred Stock | Change of Control is on or after the sixth semi-annual PIK dividend payment date      
Temporary Equity [Line Items]      
Percentage of then current liquidation preference per share plus accumulated and unpaid dividends as cash consideration 100.00%    
Class A Common Stock      
Temporary Equity [Line Items]      
Common stock, par value (in dollars per share) | $ / shares   $ 0.0001 $ 0.0001
Conversion rate | shares 63.2911    
Conversion price | $ / shares $ 15.80