Acquisitions and Dispositions - Pro Forma (Details) - USD ($) $ in Thousands		3 Months Ended				5 Months Ended	12 Months Ended
	Aug. 02, 2021	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2021	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Revenues		$ 654,895	$ 617,573	$ 632,265	$ 622,444		$ 2,527,177	$ 2,687,792	$ 1,469,363
TMA Direct
Business Combinations [Abstract]
Business Acquisition, Pro Forma Revenue								2,691,622	1,481,727
Business Acquisition, Pro Forma Net Income (Loss)								51,397	39,386
Business Acquisition [Line Items]
Business Acquisition, Pro Forma Revenue								2,691,622	1,481,727
Business Acquisition, Pro Forma Net Income (Loss)								51,397	39,386
Revenues							11,000	7,700
BNG
Business Combinations [Abstract]
Business Acquisition, Pro Forma Revenue								2,698,018	1,501,568
Business Acquisition, Pro Forma Net Income (Loss)								49,299	36,864
Business Acquisition [Line Items]
Business Acquisition, Pro Forma Revenue								2,698,018	1,501,568
Business Acquisition, Pro Forma Net Income (Loss)								49,299	36,864
Revenues							30,100	20,500
Maru Group
Business Combinations [Abstract]
Business Acquisition, Pro Forma Revenue								2,717,667	1,512,791
Business Acquisition, Pro Forma Net Income (Loss)								36,043	15,167
Business Acquisition [Line Items]
Business Acquisition, Pro Forma Revenue								2,717,667	1,512,791
Business Acquisition, Pro Forma Net Income (Loss)								36,043	15,167
Revenues							32,100	8,800
Wolfgang
Business Combinations [Abstract]
Business Acquisition, Pro Forma Revenue								2,696,733	1,474,303
Business Acquisition, Pro Forma Net Income (Loss)								51,398	36,538
Business Acquisition [Line Items]
Business Acquisition, Pro Forma Revenue								2,696,733	1,474,303
Business Acquisition, Pro Forma Net Income (Loss)								51,398	36,538
Revenues							5,700	2,100
Epicenter
Business Combinations [Abstract]
Business Acquisition, Pro Forma Revenue								2,690,969	1,473,183
Business Acquisition, Pro Forma Net Income (Loss)								49,652	35,810
Business Acquisition [Line Items]
Business Acquisition, Pro Forma Revenue								2,690,969	1,473,183
Business Acquisition, Pro Forma Net Income (Loss)								49,652	$ 35,810
Revenues							$ 4,300	$ 1,000
MDC
Business Combinations [Abstract]
Business Acquisition, Pro Forma Revenue	$ 2,224,343									$ 2,087,025
Business Acquisition [Line Items]
Business Acquisition, Pro Forma Revenue	$ 2,224,343									$ 2,087,025
Revenues						$ 605,400