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Equity and Redeemable Preferred Stock - Narrative (Details)
$ / shares in Units, $ in Thousands
 3 Months Ended
Mar. 31, 2021
USD ($)
d
$ / shares
Mar. 25, 2021
Jul. 07, 2020
shares
Jul. 02, 2020
USD ($)
$ / shares
shares
Mar. 31, 2021
USD ($)
$ / shares
shares
Sep. 30, 2020
shares
Class of Stock [Line Items]            
Shares issued (in shares)           10,698,000
Series A Mandatory Convertible Preferred Stock            
Class of Stock [Line Items]            
Sale of stock, shares issued (in shares)     2,300,000      
Convertible preferred stock, right to convert, into common stock (in shares)       1    
Mandatory convertible preferred stock, holder, days after effective date of change       20 days    
Accrued preferred stock dividends | $ $ 6,900       $ 6,900  
Series A Mandatory Convertible Preferred Stock | Underwritten Public Offering            
Class of Stock [Line Items]            
Sale of stock, shares issued (in shares)       2,000,000    
Preferred stock, dividend rate, percentage       6.00%    
Preferred stock, par value (in usd per share) | $ / shares       $ 0    
Proceeds from stock offering | $       $ 400,000    
Series A Mandatory Convertible Preferred Stock | Underwritten Public Offering | Maximum            
Class of Stock [Line Items]            
Convertible preferred stock, shares issued upon conversion (in shares)       4.6512    
Series A Mandatory Convertible Preferred Stock | Underwritten Public Offering | Minimum            
Class of Stock [Line Items]            
Convertible preferred stock, shares issued upon conversion (in shares)       3.8760    
Series A Mandatory Convertible Preferred Stock | Over-Allotment Option            
Class of Stock [Line Items]            
Sale of stock, shares issued (in shares)       300,000    
Proceeds from stock offering | $       $ 60,000    
Option to purchase additional shares, period       30 days    
Preferred Stock            
Class of Stock [Line Items]            
Accrued preferred stock dividends | $ $ 100       $ 100  
Series B-1 Convertible Preferred Stock            
Class of Stock [Line Items]            
Preferred stock, dividend rate, percentage   5.00%        
Shares issued (in shares)         75,000  
Debt instrument conversion, conversion price per share (in usd per share) | $ / shares $ 85.00       $ 85.00  
Common stock , conversion, if volume weighted average price, percentage exceeds applicable conversion price 150.00%          
Trading days | d 20          
Consecutive trading days | d 30          
Default on payment obligation, cure period 30 days          
Preferred stock, default on payment obligation, dividend rate, percentage   14.00%        
Default on payment obligation, dividend rate, quarterly increase, percentage 2.00%          
Transaction costs incurred | $         $ 26,600  
Debt issuance costs capitalized | $ $ 22,500       22,500  
Series B-1 Convertible Preferred Stock | Maximum            
Class of Stock [Line Items]            
Preferred stock, default on payment obligation, dividend rate, percentage 14.00%          
Series B-1 Convertible Preferred Stock | Minimum            
Class of Stock [Line Items]            
Preferred stock, default on payment obligation, dividend rate, percentage 8.00%          
Series B-1 Convertible Preferred Stock | Selling, General and Administrative Expenses            
Class of Stock [Line Items]            
Transaction costs incurred | $         $ 4,100  
Common Stock            
Class of Stock [Line Items]            
Sale of stock, shares issued (in shares)     10,700,000      
Common Stock | Underwritten Public Offering            
Class of Stock [Line Items]            
Sale of stock, shares issued (in shares)       9,302,235    
Proceeds from stock offering | $       $ 400,000    
Sale of stock, price per share (in usd per share) | $ / shares       $ 43.00    
Common Stock | Over-Allotment Option            
Class of Stock [Line Items]            
Sale of stock, shares issued (in shares)       1,395,335    
Proceeds from stock offering | $       $ 60,000    
Option to purchase additional shares, period       30 days