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Fair Value Measurements (Schedule of Liabilities Measured at Fair Value Using Significant Unobservable Inputs) (Details) - Significant Unobservable Inputs (Level 3) [Member]
$ in Thousands
12 Months Ended
Dec. 31, 2019
USD ($)
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]  
Balance, beginning of period $ 3,038
Balance, end of period 8,843
Contingent purchase price [Member]  
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]  
Change in fair value of consideration during the period $ 5,805