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Fair Value Measurements (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021	Oct. 07, 2020
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Short-term investments	$ 54,897	$ 54,897		$ 229,200
Unrealized loss	4,200	14,200
Financial liability value	1,106	1,106		5,775
Contingent consideration payments		(2,919)	$ (5,800)
Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value of debt instruments	891,852	891,852		1,345,311
4.625% Senior Notes \| Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value of debt instruments	378,300	378,300		659,900
Stated interest rate					4.625%
Level 1 \| Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value of debt instruments	$ 891,852	$ 891,852		$ 1,345,311