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Goodwill and Intangible Assets - Narrative (Details)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2020
USD ($)
Asset
Mar. 31, 2019
USD ($)
Dec. 31, 2019
USD ($)
Asset
Dec. 31, 2017
USD ($)
Business Acquisition [Line Items]        
Amortization expense $ 516 $ 658 $ 2,640  
Net intangible assets, end of year $ 4,739   $ 5,255  
Number of infinite-lived intangible assets | Asset 1   1  
Customer Relationships        
Business Acquisition [Line Items]        
Finite-lived intangibles acquired       $ 18,800
Acquired finite-lived intangible assets, useful life 8 years