Fair Value Measurements - Summary of Liabilities Measured At Fair Value Using Significant Unobservable Inputs (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance	$ 5,457	$ 23,429	$ 5,172	$ 23,429
Embedded derivative recognized under Term Loan 2		51,328		51,328
Contingent consideration recognized due to acquisitions		2,695		2,695
Warrants acquired in merger	163,058		163,058
Contingent consideration settled through equity	9,600	(1,958)	9,600	(1,958)
Contingent consideration payments	(2,214)		(2,214)
Ending Balance	136,190	75,800	136,190	75,800
Embedded Derivative Liability
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Change in fair value		$ 306		$ 306
Contingent Consideration
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Change in fair value	(496)		(211)
Warrant Liabilities
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Change in fair value	$ (39,215)		$ (39,215)

Fair value measurement with unobservable inputs reconciliation recurring basis liability acquired in merger.

No definition available.

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- Definition

Fair value measurement with unobservable inputs reconciliation recurring basis liability payments.

+ References

No definition available.

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- Definition

Fair value measurement with unobservable inputs reconciliation recurring basis liability recognized due to acquisitions.

+ References

No definition available.

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- Definition

Fair value measurement with unobservable inputs reconciliation recurring basis liability recognized under term loan.

+ References

No definition available.

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- Definition

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

+ 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 (d)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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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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