Summary of Significant Accounting Policies - Fair Value of Contingent Consideration Liability (Details) - USD ($) $ in Thousands	4 Months Ended	12 Months Ended
Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2019
Fair Value of Contingent Consideration Liability [Roll Forward]
Beginning balance			$ 4,367
Expense recognized related to service period rendered			(903)
Payments made			(5,270)
Ending balance			$ 0
Prowly \| Contingent Consideration Liability
Fair Value of Contingent Consideration Liability [Roll Forward]
Beginning balance		$ 78
Expense recognized related to service period rendered	$ 328	516
Payments made	(250)	(170)
Ending balance	$ 78	$ 424

Fair Value of Contingent Consideration Liability

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- Definition

Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

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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=123874694&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=123874694&loc=d3e19207-110258

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