Business Combinations - Purchase Allocation (Details) $ in Thousands, $ in Millions					12 Months Ended
	Oct. 01, 2021 USD ($)	Aug. 27, 2021 USD ($)	Aug. 27, 2021 CAD ($)	May 13, 2020 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Purchase price - cash consideration
Business combinations, net of cash					$ 80,256	$ 0
Fair value of net assets and liabilities assumed:
Goodwill					115,206	$ 1,739
City Semi
Purchase price - cash consideration
Purchase price - cash consideration				$ 138
Add: debt paid at closing				0
Less: cash acquired				0
Business combinations, net of cash				138
Purchase price - equity consideration
Purchase price - equity consideration				711
Purchase price - accrued cash consideration				0
Contingent consideration				1,180
Net consideration				$ 2,029
Fair value of net assets and liabilities assumed:
Current assets other than cash					0
Property and equipment					0
Other non-current assets					0
Current liabilities					(177)
Deferred revenue					(41)
Deferred tax liabilities, non-current					0
Other non-current liabilities					0
Long-term debt					0
Total fair value of net assets acquired					290
Goodwill					1,739
City Semi | IPR&D
Fair value of net assets and liabilities assumed:
Intangible asset, indefinite lived					0
City Semi | Software licenses
Fair value of net assets and liabilities assumed:
Intangible asset, finite lived					139
City Semi | Developed technology
Fair value of net assets and liabilities assumed:
Intangible asset, finite lived					369
City Semi | Customer relationships
Fair value of net assets and liabilities assumed:
Intangible asset, finite lived					0
City Semi | Backlog
Fair value of net assets and liabilities assumed:
Intangible asset, finite lived					0
City Semi | Trade name
Fair value of net assets and liabilities assumed:
Intangible asset, finite lived					0
TeraXion
Purchase price - cash consideration
Purchase price - cash consideration		$ 74,050
Add: debt paid at closing		6,857
Less: cash acquired		(5,625)
Business combinations, net of cash		75,282
Purchase price - equity consideration
Purchase price - equity consideration		82,441
Purchase price - accrued cash consideration		0
Contingent consideration		0
Net consideration		$ 157,723	$ 200.0
Fair value of net assets and liabilities assumed:
Current assets other than cash					7,627
Property and equipment					6,009
Other non-current assets					0
Current liabilities					(5,840)
Deferred revenue					(1,025)
Deferred tax liabilities, non-current					(20,272)
Other non-current liabilities					0
Long-term debt					(7,580)
Total fair value of net assets acquired					54,002
Goodwill					103,721
TeraXion | IPR&D
Fair value of net assets and liabilities assumed:
Intangible asset, indefinite lived					10,304
TeraXion | Software licenses
Fair value of net assets and liabilities assumed:
Intangible asset, finite lived					0
TeraXion | Developed technology
Fair value of net assets and liabilities assumed:
Intangible asset, finite lived					43,594
TeraXion | Customer relationships
Fair value of net assets and liabilities assumed:
Intangible asset, finite lived					12,682
TeraXion | Backlog
Fair value of net assets and liabilities assumed:
Intangible asset, finite lived					2,378
TeraXion | Trade name
Fair value of net assets and liabilities assumed:
Intangible asset, finite lived					6,125
OnDesign Israel
Purchase price - cash consideration
Purchase price - cash consideration	$ 6,107
Add: debt paid at closing	0
Less: cash acquired	(1,133)
Business combinations, net of cash	4,974
Purchase price - equity consideration
Purchase price - equity consideration	0
Purchase price - accrued cash consideration	7,500
Contingent consideration	4,000
Net consideration	$ 16,474
Fair value of net assets and liabilities assumed:
Current assets other than cash					119
Property and equipment					1,315
Other non-current assets					66
Current liabilities					(754)
Deferred revenue					0
Deferred tax liabilities, non-current					(1,578)
Other non-current liabilities					0
Long-term debt					0
Total fair value of net assets acquired					5,807
Goodwill					10,667
OnDesign Israel | IPR&D
Fair value of net assets and liabilities assumed:
Intangible asset, indefinite lived					1,562
OnDesign Israel | Software licenses
Fair value of net assets and liabilities assumed:
Intangible asset, finite lived					0
OnDesign Israel | Developed technology
Fair value of net assets and liabilities assumed:
Intangible asset, finite lived					5,077
OnDesign Israel | Customer relationships
Fair value of net assets and liabilities assumed:
Intangible asset, finite lived					0
OnDesign Israel | Backlog
Fair value of net assets and liabilities assumed:
Intangible asset, finite lived					0
OnDesign Israel | Trade name
Fair value of net assets and liabilities assumed:
Intangible asset, finite lived					$ 0