XML 86 R69.htm IDEA: XBRL DOCUMENT v3.20.4
LONG-TERM DEBT - Term Loan, Additional Information (Details)
$ in Millions
12 Months Ended
Dec. 18, 2020
USD ($)
Dec. 31, 2020
USD ($)
Dec. 18, 2026
USD ($)
Mar. 31, 2022
Dec. 31, 2019
USD ($)
Standby Letters of Credit          
Debt Instrument [Line Items]          
Outstanding letter of credit   $ 19.5     $ 20.5
Term Loan          
Debt Instrument [Line Items]          
Issuance of convertible debt, face amount $ 250.0        
Debt Instrument, Interest Rate, Original Issue Discount 0.03 0.0300      
Proceeds from Issuance of Debt $ 242.5        
Line of credit facility, increase limit $ 100.0        
Interest rate on convertible debt   11.93%      
Minimum capital expenditures allowed   $ 33.0      
Covenant, leverage ratio, maximum   4.00      
Term Loan | Fed Funds Effective Rate Overnight Index Swap Rate          
Debt Instrument [Line Items]          
Basis spread on variable rate   0.50%      
Term Loan | Base Rate          
Debt Instrument [Line Items]          
Basis spread on variable rate   6.50%      
Term Loan | Base Rate | Minimum          
Debt Instrument [Line Items]          
Basis spread on variable rate   2.00%      
Term Loan | LIBOR          
Debt Instrument [Line Items]          
Basis spread on variable rate   7.50%      
Term Loan | LIBOR | Minimum          
Debt Instrument [Line Items]          
Basis spread on variable rate   1.00%      
Term Loan | Forecasted          
Debt Instrument [Line Items]          
Issuance of convertible debt, face amount     $ 50.0    
Covenant, leverage ratio, maximum       7.00