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Fair Value Measurement - Additional Information (Details)	1 Months Ended	6 Months Ended
	Jun. 30, 2020 USD ($) shares	Jun. 30, 2020 USD ($) shares	Jun. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Fair value, measurement with unobservable inputs reconciliation, liability, transfers into level 3		$ 0	$ 0
Fair value, measurement with unobservable inputs reconciliation, liability, transfers out of level 3		0	$ 0
Minimum
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Undiscounted estimated range of outcomes	$ 500,000	500,000		$ 1,500,000
Maximum
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Undiscounted estimated range of outcomes	$ 700,000	$ 700,000		$ 2,300,000
Discount Rate
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Earnout liabilities, discounted rate	3.63	3.63		3.87
Class A Common Stock
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Issuance of common stock for settlement of contingent liabilities related to change of control | shares	915,503
Class A Common Stock | Initial Public Offering
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Issuance of common stock for settlement of contingent liabilities related to change of control | shares		915,503

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Issuance of common stock for change of control contingent liabilities in shares.

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Amount of liability recognized arising from contingent consideration in a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
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Value of input used to measure contingent consideration liability from business combination.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Amount of transfers of financial instrument classified as a liability into level 3 of the fair value hierarchy.

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-Publisher FASB
-Name Accounting Standards Codification
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Amount of transfers of financial instrument classified as a liability out of level 3 of the fair value hierarchy.

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