Term of derivative agreement.

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- Definition

Variable rate term loan.

+ References

No definition available.

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- Definition

Value of input used to measure alternative investment.

+ References

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- Definition

Indicates measurement input for alternative investment.

+ 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 (bbb)(1)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 31
-URI http://asc.fasb.org/extlink&oid=75031198&loc=d3e14210-108612

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- Definition

Indicates valuation technique for measuring alternative investment.

+ References

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- Definition

Value of input used to measure contingent consideration liability from business combination.

+ References

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- Definition

Indicates measurement input for business combination contingent consideration liability.

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- Definition

Indicates valuation technique for measuring business combination contingent consideration liability.

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5580258-113959

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959

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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 increase (decrease) 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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Fair Value - Additional Information (Details)	1 Months Ended		9 Months Ended
Fair Value - Additional Information (Details)	Feb. 29, 2020 USD ($)	Oct. 31, 2019 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2019
Interest Rate Swap Agreement
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Notional amount	$ 30,000,000.0	$ 140,000,000.0
Term of agreement	60 months	57 months
Variable-rate term loan			$ 170,000,000.0
Tax Receivable Agreement
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
TRA, balance increased through accretion expense and valuation adjustment			$ 12,100,000
TRA, measurement input			1.36	3.00
Alternative Investment, Valuation Technique [Extensible List]			us-gaap:ValuationTechniqueDiscountedCashFlowMember
Alternative Investment, Measurement Input [Extensible List]			us-gaap:MeasurementInputDiscountRateMember
Minimum [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Contingent consideration liability, measurement input			6.8
Business Combination, Contingent Consideration, Liability, Valuation Technique [Extensible List]			us-gaap:ValuationTechniqueDiscountedCashFlowMember
Business Combination, Contingent Consideration, Liability, Measurement Input [Extensible List]			us-gaap:MeasurementInputDiscountRateMember
Maximum
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Contingent consideration liability, measurement input			8.0
Business Combination, Contingent Consideration, Liability, Valuation Technique [Extensible List]			us-gaap:ValuationTechniqueDiscountedCashFlowMember
Business Combination, Contingent Consideration, Liability, Measurement Input [Extensible List]			us-gaap:MeasurementInputDiscountRateMember
Weighted Average
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Contingent consideration liability, measurement input			7.0
Business Combination, Contingent Consideration, Liability, Valuation Technique [Extensible List]			us-gaap:ValuationTechniqueDiscountedCashFlowMember
Business Combination, Contingent Consideration, Liability, Measurement Input [Extensible List]			us-gaap:MeasurementInputDiscountRateMember