Intangible Assets and Goodwill (Intangible Assets) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Finite lived intangible assets
Gross Carrying Amount	$ 290,168	$ 287,199
Accumulated Amortization	(157,726)	(127,360)
Net Carrying Amount	132,442	159,839
Amortization expense	30,000	33,000	$ 36,000
Customer relationships
Finite lived intangible assets
Gross Carrying Amount	268,187	268,199
Accumulated Amortization	(141,492)	(115,010)
Net Carrying Amount	126,695	153,189
Software & technology
Finite lived intangible assets
Gross Carrying Amount	21,981	19,000
Accumulated Amortization	(16,234)	(12,350)
Net Carrying Amount	$ 5,747	$ 6,650