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Basis of Presentation and Significant Accounting Policies (Details)
shares in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Oct. 10, 2019
Jun. 30, 2020
shares
Jun. 30, 2019
shares
Jun. 30, 2020
segment
shares
Jun. 30, 2019
shares
Dec. 31, 2019
segment
Debt Instrument [Line Items]            
Number of operating segments       2    
Number of reportable segments       2   2
Common stock equivalents included in diluted per share data (in shares) | shares   1.9 5.4 2.0 5.4  
Revolving Credit Facility | Prime Rate | Silicon Valley Bank            
Debt Instrument [Line Items]            
Debt instrument, basis spread on variable rate 1.00%     1.00%