Employee Benefits And Stock-Based Compensation Employee Benefits and Stock-Based Compensation (Classification of Share-based Compensation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based Payment Arrangement, Noncash Expense	$ 53,439	$ 48,243	$ 50,626
Share-based Payment Arrangement, Amount Capitalized	1,622	1,783	1,690
Share-based Payment Arrangement, Expense	55,061	50,026	52,316
Cost of Sales [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based Payment Arrangement, Noncash Expense	6,525	6,321	6,739
Selling and Marketing Expense [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based Payment Arrangement, Noncash Expense	4,312	3,453	3,755
Research and Development Expense [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based Payment Arrangement, Noncash Expense	8,283	7,137	6,370
General and Administrative Expense [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based Payment Arrangement, Noncash Expense	$ 34,319	$ 31,332	$ 33,762