Fair Value Measurements - Level 3 Liabilities (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Conversable Inc
Change in Fair Value of Level 3 Liability:
Fair value adjustments		$ 500
AdvantageTec
Change in Fair Value of Level 3 Liability:
Fair value adjustments		200
Contingent earn-out
Change in Fair Value of Level 3 Liability:
Balance, Beginning of year	$ 557	2,372
Payments	(294)	(1,487)
Balance, End of year	0	557
Contingent earn-out \| Conversable Inc
Change in Fair Value of Level 3 Liability:
Fair value adjustments	0	(496)
Contingent earn-out \| AdvantageTec
Change in Fair Value of Level 3 Liability:
Fair value adjustments	$ (263)	$ 168

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Fair Value Adjustments

No definition available.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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- Definition

Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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- Definition

Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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