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Intangible Assets - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Business Acquisition [Line Items]    
Amortization expense $ 611 $ 707
Minimum    
Business Acquisition [Line Items]    
Intangible assets, estimated useful life 5 years  
Maximum    
Business Acquisition [Line Items]    
Intangible assets, estimated useful life 12 years