Goodwill and Other Intangible Assets (Other Intangible Assets) (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Amortized Intangible Assets [Line Items]
Goodwill and intangible asset impairment charge	$ 11,511	$ 693	$ 27,912	$ 693
Amortization of Intangible Assets
Amortization of intangible assets	14,327	$ 12,880	28,492	$ 25,940
Estimated amortization of intangible assets, remainder of 2020	28,000		28,000
Estimated amortization of intangible assets, 2021	52,000		52,000
Estimated amortization of intangible assets, 2022	46,000		46,000
Estimated amortization of intangible assets, 2023	37,000		37,000
Estimated amortization of intangible assets, 2024	28,000		28,000
Estimated amortization of intangible assets, after 2024	$ 41,000		$ 41,000