Fair Value Measurements (Schedule of Carrying Value and Estimated Fair Value of Financial Instruments) (Details) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Fair Value Disclosures [Abstract]
Contingent consideration	$ 0		$ (368)
Payment for Contingent Consideration Liability, Operating Activities	(368)	$ (5,267)
Debt Instrument, Fair Value Disclosure	256,900
Notes Payable	$ 237,500

Amount of liability recognized arising from contingent consideration in a business combination.

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Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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Amount of cash outflow, not made soon after acquisition date of business combination, to settle contingent consideration liability exceeding amount recognized at acquisition date. Includes, but is not limited to, measurement period adjustment and less amount paid soon after acquisition date.

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