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Basis of Presentation and Significant Accounting Policies - Goodwill and Other Intangibles (Details) - USD ($)
$ in Thousands
12 Months Ended 24 Months Ended
Dec. 31, 2019
Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]    
Impairment of goodwill   $ 0
Minimum    
Finite-Lived Intangible Assets [Line Items]    
Estimated useful lives of intangible assets 3 years  
Maximum    
Finite-Lived Intangible Assets [Line Items]    
Estimated useful lives of intangible assets 10 years