XML 104 R86.htm IDEA: XBRL DOCUMENT v3.21.1
Redeemable Series A-1 Preferred Stock - Additional Information (Detail) - USD ($)
12 Months Ended
Jul. 27, 2020
Jul. 26, 2020
Apr. 13, 2020
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Oct. 19, 2018
Temporary Equity [Line Items]              
Share price       $ 21.81 $ 26.97 $ 20.65  
Payment for redemption of outstanding shares $ 131,800,000     $ 131,821,000      
Common stock issued, shares 1,786,739       42,415    
CONVERTIBLE PREFERRED STOCK DEEMED DIVIDEND, NET OF RETURN FROM HOLDERS           $ 932,000  
Percentage of dividends accrued     14.20%        
Redeemable Series A-1 Preferred Stock              
Temporary Equity [Line Items]              
Temporary equity, shares issued       0 12,000   12,000
Temporary equity, par value per share       $ 0.0001 $ 0.0001   $ 0.0001
Warrants to purchase common stock             534,240
Temporary equity, liquidation preference per share             $ 10,000
Temporary equity, maturity month and year     2024-10        
Temporary equity, penalty term     3 years        
Temporary equity, penalty term upon full exercise of warrant     2 years        
Percentage of dividend payable in cash     1.00%        
Total accreted value   $ 40,800,000   $ 17,601,000 $ 19,616,000 3,605,000  
CONVERTIBLE PREFERRED STOCK DEEMED DIVIDEND, NET OF RETURN FROM HOLDERS   $ 24,300,000          
Temporary equity, covenant description       The Redeemable Series A-1 Preferred Stock contained restrictive covenants. As of December 31, 2019, the Company was subject to a consolidated total leverage ratio (including the outstanding principal and accrued dividend on the Redeemable Series A-1 Preferred Stock) limit of less than 10.0 times as of the end of any fiscal quarter ending until maturity. The Company was in compliance with the covenants as of December 31, 2019.      
Percentage of dividends accrued       15.00%      
Percentage of dividend payable in cash       14.20%      
Accrued and unpaid dividends         21,900,000    
Fair value changes in the contingent put option $ 12,100,000       7,100,000    
Changes in fair value       $ 19,200,000 $ 7,100,000 $ 0  
Redeemable Series A-1 Preferred Stock | Maximum [Member]              
Temporary Equity [Line Items]              
Temporary equity, aggregate amount of redemption requirement     $ 50,000,000        
Percentage of accumulated dividends payable in common stock upon IPO     50.00%        
Share price     $ 31.60        
Percentage of dividend payable in cash     15.00%        
Redeemable Series A-1 Preferred Stock | Minimum              
Temporary Equity [Line Items]              
Percentage of dividend payable in cash     9.00%