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Leases - Leases Details (Details) $ in Millions		1 Months Ended	12 Months Ended
	Nov. 14, 2018 USD ($) ft² item	Jul. 31, 2020 ft² item	Dec. 31, 2021 USD ($) ft² item	Dec. 31, 2020 item
Operating Leases
Proceeds from tenant improvement allowance | $			$ 12.7
Maximum
Operating Leases
Optional lease extension term			10 years
Domestic Office Leases
Operating Leases
The number of adjacent facilities rented			2
Extended lease term		5 years
Number of lease renewal periods		1
Optional lease extension term		5 years
Area of leased space | ft²		98,000
Foreign Subsidiaries Office Leases
Operating Leases
Area of leased space | ft²			14,000
Aliso Facility
Operating Leases
Number of properties leased	1
Number of buildings leased	3
Number of lease renewal periods	2
Optional lease extension term	5 years
Area of leased space | ft²	160,000
Tenant improvement allowance and abatement | $	$ 12.7
Term of lease	13 years
Waltham Massachusetts Facility
Operating Leases
Area of leased space | ft²			27,000
Burlington Massachusetts Facility
Operating Leases
Number of lease renewal periods				1
Optional lease extension term				5 years
Area of leased space | ft²			60,000

X

- Definition

Represents the number of lease renewal periods allowed under the operating lease.

+ References

No definition available.

+ Details

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- Definition

The amount of tenant improvement allowance and abatement under the operating lease.

+ References

No definition available.

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- Definition

The number of adjacent facilities rented.

+ References

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- Definition

Represents the number of buildings leased.

+ References

No definition available.

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- Definition

Represents the number of properties leased.

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- Definition

Area of a real estate property.

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+ References

No definition available.

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- Definition

Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918673-209980

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- Definition

Term of lessor's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-Section 50
-Paragraph 3
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Term of lessor's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Net cash outflow or inflow from monetary allowance granted by the landlord to a tenant to entice tenant to move into landlords building which will enable the tenant to prepare the leased premises for tenants occupancy.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
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