Acquisitions - Schedule of Supplemental Pro Forma Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Xator Corporation
Business Acquisition [Line Items]
Pro forma Revenue	$ 1,048,894	$ 960,253	$ 2,064,966	$ 1,893,503
Pro forma Net Income including noncontrolling interests	30,199	16,376	56,106	20,071
BlackHorse Solutions, Inc.
Business Acquisition [Line Items]
Pro forma Revenue	1,008,721	899,659	1,957,790	1,791,061
Pro forma Net Income including noncontrolling interests	$ 24,651	$ 12,116	$ 50,533	$ 25,624