XML 83 R65.htm IDEA: XBRL DOCUMENT v3.20.4
Debt - Narrative (Details)
1 Months Ended 6 Months Ended 12 Months Ended
Jul. 31, 2020
USD ($)
day
Sep. 30, 2018
USD ($)
Dec. 31, 2016
USD ($)
day
$ / shares
shares
Jun. 30, 2019
USD ($)
$ / shares
shares
Dec. 31, 2020
USD ($)
day
$ / shares
Dec. 31, 2019
USD ($)
$ / shares
Dec. 31, 2018
USD ($)
Jun. 30, 2018
$ / shares
Convertible Debt                
Loss on extinguishment of debt         $ 7,276,000 $ 0 $ 0  
Proceeds from long-term debt, net of issuance costs         $ 385,929,000 $ 0 146,596,000  
Exchange agreement, aggregate principal amount       $ 247,200,000        
Exchange agreement, authorized (in shares) | shares       44,000,000.0        
Common stock, par value (in dollars per share) | $ / shares       $ 0.01 $ 0.01 $ 0.01   $ 0.01
Accrued and unpaid interest on exchange agreement       $ 1,300,000        
Gain (loss) on extinguishment of debt, additional paid-in capital           $ 215,000,000.0    
Gain (loss) on extinguishment of debt, fair value of common shares issued           400,000    
Loss on exchange of convertible notes         $ 0 40,624,000 0  
Proceeds from capped call confirmations, exchange of convertible debt       $ 19,900,000 $ 0 $ (19,875,000) $ 0  
2016 Convertible Notes | Convertible Notes                
Convertible Debt                
Aggregate principal amount     $ 250,000,000          
Proceeds from long-term debt, net of issuance costs     243,000,000.0          
Proceeds for capped call confirmations     $ 13,500,000          
Shares issued per increment of convertible debt (in shares) | shares     40,800,000          
Debt conversion ratio (in shares)     0.1633987          
Conversion price (in dollars per share) | $ / shares     $ 6.12          
Threshold trading days         20 days      
Threshold consecutive trading days | day     30   30      
Threshold percentage     130.00%   130.00%      
Period following 5 consecutive trading day period, trading price less than 98% of product of sales price     5 years          
Period following issuance of stock rights options or warrants with price per share less than last reported sales price     60 days          
Period for measurement of sales price     10 days          
Excess of value per share for triggering event, percent     10.00%          
2016 Convertible Notes | Convertible Notes | Private Placement Purchase Agreement | Over-allotment Option                
Convertible Debt                
Aggregate principal amount     $ 25,000,000          
2016 Convertible Notes | Convertible Notes | Minimum                
Convertible Debt                
Threshold trading days     20 days          
Secured Debt | Senior Secured Term Loan due 2026                
Convertible Debt                
Maximum borrowing capacity $ 400,000,000              
Number of payments | day 9              
Periodic payment $ 44,400,000              
Proceeds from secured lines of credit 385,900,000              
Early repayment of senior debt 156,300,000              
Interest expense, debt 1,100,000              
Early settlement premiums 5,200,000              
Loss on extinguishment of debt $ 7,300,000              
Secured Debt | Senior Secured Term Loan due 2026 | LIBOR                
Convertible Debt                
Variable rate 1.00%              
Basis spread on variable rate 6.50%              
Secured Debt | Senior Secured Term Loan due 2026 | Senior Loans                
Convertible Debt                
Maximum borrowing capacity $ 400,000,000              
Proceeds from secured lines of credit 385,900,000              
Minimum liquidity covenant $ 75,000,000              
Debt instrument term 6 years              
Secured Debt | Senior Secured Term Loan due 2026 | Senior Loans | Minimum                
Convertible Debt                
Consolidated revenue covenant, amount $ 140,000,000              
Secured Debt | Senior Secured Term Loan due 2026 | Senior Loans | Maximum                
Convertible Debt                
Consolidated revenue covenant, amount $ 225,000,000              
Secured Debt | Senior Secured Term Loan due 2026 | Senior Loans | LIBOR | Minimum                
Convertible Debt                
Variable rate 1.00%              
Secured Debt | Senior Secured Term Loan due 2026 | Senior Loans | LIBOR | Maximum                
Convertible Debt                
Basis spread on variable rate 6.50%              
Line of Credit                
Convertible Debt                
Maximum borrowing capacity   $ 150,000,000            
Debt instrument term   5 years            
Periodic payment, percentage   12.50%            
Proceeds from issuance of debt   $ 146,600,000            
Line of Credit | LIBOR                
Convertible Debt                
Basis spread on variable rate   7.50%