Basis of Presentation and Summary of Significant Accounting Policies - Disaggregation of Revenues (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenues
Revenue	$ 1,064,124	$ 1,077,157
United States
Disaggregation of Revenues
Revenue	877,270	878,644
EMEA
Disaggregation of Revenues
Revenue	166,573	180,502
Other.
Disaggregation of Revenues
Revenue	20,281	18,011
ITPS
Disaggregation of Revenues
Revenue	732,319	765,134
ITPS | United States
Disaggregation of Revenues
Revenue	545,465	566,621
ITPS | EMEA
Disaggregation of Revenues
Revenue	166,573	180,502
ITPS | Other.
Disaggregation of Revenues
Revenue	20,281	18,011
HS
Disaggregation of Revenues
Revenue	251,380	239,270
HS | United States
Disaggregation of Revenues
Revenue	251,380	239,270
LLPS
Disaggregation of Revenues
Revenue	80,425	72,753
LLPS | United States
Disaggregation of Revenues
Revenue	$ 80,425	$ 72,753