Intangible Assets and Goodwill (Intangible Assets) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Finite lived intangible assets
Gross Carrying Amount	$ 290,143		$ 290,168
Accumulated Amortization	(165,404)		(157,726)
Net Carrying Amount	124,739		132,442
Amortization expense	8,000	$ 8,000
Customer relationships
Finite lived intangible assets
Gross Carrying Amount	268,176		268,187
Accumulated Amortization	(148,098)		(141,492)
Net Carrying Amount	120,078		126,695
Software & technology
Finite lived intangible assets
Gross Carrying Amount	21,967		21,981
Accumulated Amortization	(17,306)		(16,234)
Net Carrying Amount	$ 4,661		$ 5,747