Intangible Assets and Goodwill (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2019	Dec. 31, 2020
Business Acquisition [Line Items]
Gain on sale of business		$ 10,000	$ (18,000)
Goodwill	$ 1,135,103	1,135,103	$ 1,324,179	$ 1,152,285
Tacit
Business Acquisition [Line Items]
Proceeds from sale of businesses, net of cash transferred		28,000
Gain loss on disposition of business pre tax		10,000
Gain on sale of business		4,000
Goodwill	16,000	16,000
Cresco Data
Business Acquisition [Line Items]
Cash plus potential additional payments	15,000
Achievement of revenue targets	$ 7,000	$ 7,000