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Basis of Presentation and Significant Accounting Policies - Intangible Assets (Details) - Customer relationships
12 Months Ended
Dec. 31, 2019
Minimum  
Finite Lived Intangible Asset Useful Life [Line Items]  
Estimated Useful Life 5 years
Maximum  
Finite Lived Intangible Asset Useful Life [Line Items]  
Estimated Useful Life 16 years