Debt - Revolving Credit Facility (Details) - Line of Credit [Member] - USD ($)
May 24, 2019
Aug. 03, 2019
Debt Instrument [Line Items]    
Maximum borrowing capacity $ 250,000,000.0  
Amount outstanding   $ 0
Remaining borrowing capacity   $ 247,000,000
Percent per annum above federal funds rate 0.50%  
Percent above Eurodollar rate 1.00%  
Minimum percentage margin for Eurodollar rate-based advances 1.25%  
Maximum percentage margin for Eurodollar rate-based advances 1.50%  
Minimum percentage margin for base rate-based advances 0.25%  
Maximum percentage margin for base rate-based advances 0.50%  
Existence of event of default percentage per annum 2.00%  
Over due principal interest rate 2.00%  
Commitment fee percentage 0.20%  
Percent of borrowing base restriction (less than) 10.00%  
Number of days in excess availability restriction 5 days  
Fixed charge ratio, numerator 1.0  
Fixed charge ratio, denominator 1.0  
Percent of borrowing base in fixed charge coverage ratio restriction, less than 10.00%  
Number of days in fixed charge coverage ratio restriction 15 days  
Eurodollar [Member]    
Debt Instrument [Line Items]    
Basis rate, floor 0.00%  
Prime Rate [Member]    
Debt Instrument [Line Items]    
Basis rate, floor 0.00%  
Fed Funds Effective Rate Overnight Index Swap Rate [Member]    
Debt Instrument [Line Items]    
Basis rate, floor 0.00%