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DEBT (Narrative) (Details) - USD ($)
1 Months Ended 12 Months Ended
Dec. 31, 2021
Nov. 13, 2016
Jan. 31, 2017
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Nov. 14, 2016
Debt Instrument [Line Items]              
Debt issuance costs       $ 1,667,000      
Exchange price threshold percentage for 20 trading days out of 30 consecutive trading days       130.00%      
Adjustments to additional paid in capital, other         $ 783,000 $ 20,281,000  
Fair Value, Inputs, Level 2              
Debt Instrument [Line Items]              
Debt Instrument, Fair Value Disclosure       $ 548,984,000      
Revolving Credit Facility              
Debt Instrument [Line Items]              
Maximum revolving credit loan amount             $ 75,000
Member Units              
Debt Instrument [Line Items]              
Number of exchangeable note shares (in shares)       3,457,475      
Strike price (in usd per share)       $ 101.82      
Senior Notes              
Debt Instrument [Line Items]              
Debt issuance costs       $ 5,791,000      
Term Debt              
Debt Instrument [Line Items]              
Principal amount       215,000,000     $ 475,000,000
Prepaid principal amount     $ 260,000,000        
Debt issuance costs     $ 5,300,000 10,158,000      
Term Debt | Forecast              
Debt Instrument [Line Items]              
Remaining principal amount $ 215,000,000            
Term Debt | Senior Notes | Member Units              
Debt Instrument [Line Items]              
Revolving credit facility       $ 75,000,000      
Term Debt | Minimum              
Debt Instrument [Line Items]              
Commitment fee percentage       0.25%      
Term Debt | Maximum              
Debt Instrument [Line Items]              
Commitment fee percentage       0.50%      
Term Debt | London Interbank Offered Rate (LIBOR)              
Debt Instrument [Line Items]              
Spread on variable rate   1.00%          
Term Debt | Federal Funds Effective Swap Rate              
Debt Instrument [Line Items]              
Spread on variable rate   1.00%          
Term Debt | Eurocurrency loans ranges | Minimum              
Debt Instrument [Line Items]              
Total net leverage ratio       1.25%      
Term Debt | Eurocurrency loans ranges | Maximum              
Debt Instrument [Line Items]              
Total net leverage ratio       2.00%      
Term Debt | ABR loans ranges | Minimum              
Debt Instrument [Line Items]              
Total net leverage ratio       0.25%      
Term Debt | ABR loans ranges | Maximum              
Debt Instrument [Line Items]              
Total net leverage ratio       1.00%