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DEBT - Narrative (Details) - USD ($)
6 Months Ended
Jun. 30, 2020
Aug. 04, 2020
Delayed Draw Term Loan Agreement    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity $ 180,000,000.0  
Debt issuance costs $ 2,200,000  
Price of each draw (as a percentage of amount drawn) 99.00%  
Delayed Draw Term Loan Agreement | Debt Instrument, Redemption, Period Two | London Interbank Offered Rate (LIBOR)    
Line of Credit Facility [Line Items]    
Basis spread on variable rate (percentage) 1.00%  
Delayed Draw Term Loan Agreement | Debt Instrument, Redemption, Period Two | Federal Funds Effective Rate    
Line of Credit Facility [Line Items]    
Basis spread on variable rate (percentage) 0.50%  
Delayed Draw Term Loan Agreement | Minimum | Debt Instrument, Redemption, Period One    
Line of Credit Facility [Line Items]    
Interest rate (percentage) 0.75%  
Delayed Draw Term Loan Agreement | Minimum | Debt Instrument, Redemption, Period One | London Interbank Offered Rate (LIBOR)    
Line of Credit Facility [Line Items]    
Basis spread on variable rate (percentage) 2.75%  
Delayed Draw Term Loan Agreement | Minimum | Debt Instrument, Redemption, Period Two    
Line of Credit Facility [Line Items]    
Interest rate (percentage) 1.75%  
Basis spread on variable rate (percentage) 1.75%  
Delayed Draw Term Loan Agreement | Maximum | Debt Instrument, Redemption, Period One | London Interbank Offered Rate (LIBOR)    
Line of Credit Facility [Line Items]    
Basis spread on variable rate (percentage) 3.75%  
Delayed Draw Term Loan Agreement | Maximum | Debt Instrument, Redemption, Period Two    
Line of Credit Facility [Line Items]    
Basis spread on variable rate (percentage) 2.75%  
Line of Credit | Third Loan Agreement | Letter of Credit    
Line of Credit Facility [Line Items]    
Undrawn standby letters of credit $ 19,700,000  
Line of Credit | Third Loan Agreement | Revolving Credit Facility    
Line of Credit Facility [Line Items]    
Interest rate (percentage) 3.50%  
Maximum availability under the Revolving Facility $ 137,300,000  
Fixed charge coverage ratio, minimum required 100.00%  
Fixed charge coverage ratio, measurement period 12 months  
Maximum borrowing capacity $ 350,000,000.0  
Line of Credit | Third Loan Agreement | Revolving Credit Facility | Subsequent Event    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity   $ 300,000,000.0
Unsecured notes | Senior Unsecured Notes Due 2024 [Member]    
Line of Credit Facility [Line Items]    
Interest rate (percentage) 6.375%