Segment Information (Entity-Wide Disclosures) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Customer revenues	$ 1,734,282	$ 1,570,575	$ 1,452,183
Customer Revenues [Member]
Segment Reporting Information [Line Items]
Customer revenues	1,734,282	1,570,575	1,452,183
CAM [Member]
Segment Reporting Information [Line Items]
Customer revenues	370,287	308,661	285,276
CAM [Member] | Customer Revenues [Member]
Segment Reporting Information [Line Items]
Customer revenues	273,288	205,047	168,106
All other [Member]
Segment Reporting Information [Line Items]
Customer revenues	375,571	334,300	314,014
All other [Member] | Customer Revenues [Member]
Segment Reporting Information [Line Items]
Customer revenues	$ 275,881	$ 218,276	$ 205,934