XML 42 R36.htm IDEA: XBRL DOCUMENT
v3.25.1

Derivative Instruments - Schedule of Notional Amounts of the Outstanding Contracts (Details) kr in Thousands, $ in Thousands | Mar. 31, 2025 USD ($) | Mar. 31, 2025 SEK (kr) | Dec. 31, 2024 USD ($) | Dec. 31, 2024 SEK (kr)
--- | --- | --- | --- | ---
U.S. Dollar |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Foreign notional amounts of the outstanding contracts balances | $ | $ 89,031 |  | $ 89,031 |
U.S. Dollar | May 2025 |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Foreign notional amounts of the outstanding contracts balances | $ | 26,481 |  | 26,481 |
U.S. Dollar | September 2025 |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Foreign notional amounts of the outstanding contracts balances | $ | $ 62,550 |  | $ 62,550 |
Swedish Krona |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Foreign notional amounts of the outstanding contracts balances | kr |  | kr 969,385 |  | kr 969,385
Swedish Krona | May 2025 |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Foreign notional amounts of the outstanding contracts balances | kr |  | 289,967 |  | 289,967
Swedish Krona | September 2025 |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Foreign notional amounts of the outstanding contracts balances | kr |  | kr 679,418 |  | kr 679,418

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/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4E -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4E + Details
Name: | us-gaap_DerivativeInstrumentsGainLossLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of intra-entity foreign currency transaction that is considered to be long-term investment with settlement not planned or anticipated in foreseeable future. + References No definition available. + Details
Name: | us-gaap_IntercompanyForeignCurrencyBalanceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Details
Name: | us-gaap_ContractWithCustomerDurationAxis=rgen_May2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ContractWithCustomerDurationAxis=rgen_September2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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