XML 45 R39.htm IDEA: XBRL DOCUMENT
v3.25.2

Fair Value Measurements - Schedule of Contingent Consideration Earnout Expect to be Required to Settle Include Significant Unobservable Inputs (Detail) - Contingent Consideration - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Liabilities, fair value |  | $ 11,826 | $ 36,788
Monte Carlo Simulation | Fair Value, Recurring |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Liabilities, fair value |  | 5,041 |
Monte Carlo Simulation | Fair Value, Recurring | Tantti |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Liabilities, fair value |  | $ 4,031 |
Discount Rate |  | 5.20% |
Monte Carlo Simulation | Fair Value, Recurring | Probability of Success | Tantti |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Weighted average discount rate | [1] | 41.00% |
Monte Carlo Simulation | Fair Value, Recurring | Earnout Discount Rate | Tantti |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Weighted average discount rate | [1] | 5.20% |
Monte Carlo Simulation | Fair Value, Recurring | Revenue and Volume Based Payments |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Volatility |  | 33.80% |
Revenue and volume discount rate |  | 15.90% |
Monte Carlo Simulation | Fair Value, Recurring | Revenue and Volume Based Payments | Earnout Discount Rate |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Weighted average discount rate | [1] | 5.20% |
Monte Carlo Simulation | Fair Value, Recurring | Revenue and Volume Based Payments | Volatility |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Weighted average discount rate | [1] | 33.80% |
Monte Carlo Simulation | Fair Value, Recurring | Revenue and Volume Based Payments | Revenue & Volume Discount Rate |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Weighted average discount rate | [1] | 15.90% |
Monte Carlo Simulation | Fair Value, Recurring | Minimum | Tantti |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Probability of success |  | 0.00% |
Monte Carlo Simulation | Fair Value, Recurring | Minimum | Revenue and Volume Based Payments |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Discount Rate |  | 5.00% |
Monte Carlo Simulation | Fair Value, Recurring | Maximum | Tantti |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Probability of success |  | 100.00% |
Monte Carlo Simulation | Fair Value, Recurring | Maximum | Revenue and Volume Based Payments |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Discount Rate |  | 5.40% |
Probability Weighted Present Value | Fair Value, Recurring | Probability of Success |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Liabilities, fair value |  | $ 2,650 |
Probability Weighted Present Value | Fair Value, Recurring | Manufacturing Line Expansions | Probability of Success |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Weighted average discount rate | [1] | 100.00% |
Probability Weighted Present Value | Fair Value, Recurring | Manufacturing Line Expansions | Earnout Discount Rate |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Weighted average discount rate | [1] | 5.00% |
Probability Weighted Present Value | Fair Value, Recurring | Minimum | Manufacturing Line Expansions |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Probability of success |  | 0.00% |
Discount Rate |  | 5.00% |
Probability Weighted Present Value | Fair Value, Recurring | Maximum | Manufacturing Line Expansions |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Probability of success |  | 100.00% |
Discount Rate |  | 5.20% |
[1] | Unobservable inputs were weighted by the relative fair value of the contingent consideration liability.

X
- Definition Probability of success. + References No definition available. + Details
Name: | rgen_ProbabilityOfSuccess
Namespace Prefix: | rgen_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Revenue and volume discount rate. + References No definition available. + Details
Name: | rgen_RevenueAndVolumeDiscountRate
Namespace Prefix: | rgen_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Volatility rate of contingent consideration. + References No definition available. + Details
Name: | rgen_VolatilityRateOfContingentConsideration
Namespace Prefix: | rgen_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Weighted average discount rate. + References No definition available. + Details
Name: | rgen_WeightedAverageDiscountRate
Namespace Prefix: | rgen_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Fixed interest rate related to the interest rate derivative. + References No definition available. + Details
Name: | us-gaap_DerivativeFixedInterestRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- 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 Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 100 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-100 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value of financial and nonfinancial obligations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_LiabilitiesFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=rgen_ContingentConsiderationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationTechniqueAxis=rgen_MonteCarloSimulationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=rgen_TanttiMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=rgen_MeasurementInputProbabilityOfSuccessMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=rgen_MeasurementInputEarnoutDiscountRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=rgen_RevenueAndVolumeBasedPaymentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputPriceVolatilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=rgen_MeasurementInputRevenueVolumeDiscountRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationTechniqueAxis=rgen_ProbabilityWeightedPresentValueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=rgen_ManufacturingLineExpansionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |