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Long-Term Debt - Narrative (Details) - USD ($)
3 Months Ended
Dec. 18, 2015
Mar. 31, 2020
Mar. 31, 2019
Debt Instrument [Line Items]      
Cash payments for interest   $ 5,800,000 $ 7,200,000
Revolving Credit Facility      
Debt Instrument [Line Items]      
Maximum borrowing capacity $ 75,000,000    
Term of credit facility 5 years    
Term loan A-1 | London Interbank Offered Rate (LIBOR)      
Debt Instrument [Line Items]      
Basis spread on variable rate   1.50%  
Term loan A-2 | London Interbank Offered Rate (LIBOR)      
Debt Instrument [Line Items]      
Basis spread on variable rate   1.75%