Share-Based Compensation (Effects of Share-based Compensation expense in the Condensed Consolidated Statements of Operations) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 8,872	$ 8,402
Direct costs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	61	76
Sales and marketing
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	758	924
Research, development and engineering
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	1,090	783
General, administrative, and other related costs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 6,963	$ 6,619