Goodwill and other intangible assets - Schedule of Gross Carrying Amount and Accumulated Amortization of Intangible Assets Other Than Goodwill (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 383,554	$ 383,554
Accumulated Amortization	198,497	188,328
Foreign Currency Translation	(7,804)	(7,335)
Total intangible assets	177,253	187,891
Trademarks
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	34,700	34,700
Accumulated Amortization	27,735	26,630
Foreign Currency Translation	(36)	(35)
Total intangible assets	$ 6,929	$ 8,035
Weighted‑ Average Remaining Useful Life	1 year 7 months 6 days	1 year 9 months 18 days
Trademarks | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful Life	3 years	3 years
Trademarks | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful Life	8 years	8 years
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 257,308	$ 257,308
Accumulated Amortization	125,058	119,396
Foreign Currency Translation	(1,948)	(1,781)
Total intangible assets	$ 130,302	$ 136,131
Weighted‑ Average Remaining Useful Life	6 years	6 years 2 months 12 days
Customer relationships | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful Life	5 years	5 years
Customer relationships | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful Life	12 years	12 years
Developed technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 84,647	$ 84,647
Accumulated Amortization	39,524	36,235
Foreign Currency Translation	(5,453)	(5,148)
Total intangible assets	$ 39,670	$ 43,264
Weighted‑ Average Remaining Useful Life	3 years 8 months 12 days	3 years 10 months 24 days
Developed technology | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful Life	5 years	5 years
Developed technology | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful Life	6 years 6 months	6 years 6 months
Non‑competes
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 3,099	$ 3,099
Accumulated Amortization	2,380	2,267
Foreign Currency Translation	(169)	(172)
Total intangible assets	$ 550	$ 660
Weighted‑ Average Remaining Useful Life	1 year 7 months 6 days	1 year 9 months 18 days
Non‑competes | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful Life	2 years 6 months	2 years 6 months
Non‑competes | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful Life	3 years	3 years
Order backlog
Finite-Lived Intangible Assets [Line Items]
Useful Life	2 years 6 months	2 years 6 months
Gross Carrying Value	$ 3,800	$ 3,800
Accumulated Amortization	3,800	3,800
Foreign Currency Translation	(198)	(199)
Total intangible assets	$ (198)	$ (199)
Weighted‑ Average Remaining Useful Life	0 years	0 years