Business Combinations (Details) - USD ($) $ in Thousands	Apr. 01, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Business Acquisition [Line Items]
Goodwill		$ 418,547	$ 444,817	$ 63,924
exocad Acquisition
Business Acquisition [Line Items]
Total purchase consideration paid	$ 430,000
Goodwill	340,181
Identified intangible assets	118,700
Cash and cash equivalents	9,190
Deferred tax liabilities	(35,419)
Other assets (liabilities), net	(2,674)
Total	429,978
Intangible assets subject to amortization	118,700
Total intangible assets	118,700
exocad Acquisition | In-process Research and Development (“IPR&D”)
Business Acquisition [Line Items]
Intangible assets not subject to amortization	400
exocad Acquisition | Existing technology
Business Acquisition [Line Items]
Identified intangible assets	$ 87,000
Estimated useful lives of intangibles	10 years
Intangible assets subject to amortization	$ 87,000
exocad Acquisition | Customer relationships
Business Acquisition [Line Items]
Identified intangible assets	$ 21,500
Estimated useful lives of intangibles	10 years
Intangible assets subject to amortization	$ 21,500
exocad Acquisition | Tradenames
Business Acquisition [Line Items]
Identified intangible assets	$ 9,800
Estimated useful lives of intangibles	7 years
Intangible assets subject to amortization	$ 9,800