Fair Value Measurements (Schedule of Carrying Value and Estimated Fair Value of Financial Instruments) (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Document Period End Date	Mar. 31, 2020
Contingent consideration	$ 5,267		$ 5,267
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	0	$ 454	$ (5,300)
Debt Instrument, Fair Value Disclosure	$ 70,400