Significant Accounting Policies - Disaggregation of Revenues (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Disaggregation of Revenues
Revenue	$ 273,620	$ 279,398
United States
Disaggregation of Revenues
Revenue	225,937	222,735
EMEA
Disaggregation of Revenues
Revenue	42,778	51,978
Other.
Disaggregation of Revenues
Revenue	4,905	4,685
ITPS
Disaggregation of Revenues
Revenue	193,708	205,007
ITPS | United States
Disaggregation of Revenues
Revenue	146,025	148,344
ITPS | EMEA
Disaggregation of Revenues
Revenue	42,778	51,978
ITPS | Other.
Disaggregation of Revenues
Revenue	4,905	4,685
HS
Disaggregation of Revenues
Revenue	63,043	56,596
HS | United States
Disaggregation of Revenues
Revenue	63,043	56,596
LLPS
Disaggregation of Revenues
Revenue	16,869	17,795
LLPS | United States
Disaggregation of Revenues
Revenue	$ 16,869	$ 17,795