XML 60 R48.htm IDEA: XBRL DOCUMENT
v3.22.4

Fair Value Measurements - Summary of Company's Cash, Cash Equivalents and Marketable Securities Held to Maturity (Detail) $ in Thousands | Dec. 31, 2022 USD ($)
--- | ---
Cash and money market funds |
Cash and Cash Equivalents [Line Items] |
Cash and cash equivalents, Amortized Costs | $ 523,458
Cash and cash equivalents, Estimated Fair Value | 523,458
Cash and cash equivalents |
Cash and Cash Equivalents [Line Items] |
Cash and cash equivalents, Amortized Costs | 523,458
Cash and cash equivalents, Estimated Fair Value | 523,458
U.S. treasury bills |
Cash and Cash Equivalents [Line Items] |
Marketable securities, Amortized Costs | 100,299
Marketable securities, Gross Unrealized Gains | 24
Marketable securities, Estimated Fair Value | 100,323
Cash equivalents and marketable securities |
Cash and Cash Equivalents [Line Items] |
Marketable securities, Amortized Costs | 623,757
Marketable securities, Gross Unrealized Gains | 24
Marketable securities, Estimated Fair Value | $ 623,781

X
- Definition Available for sale securities, accumulated gross unrealized gain. + References No definition available. + Details
Name: | rgen_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGain
Namespace Prefix: | rgen_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Available for sale securities, amortized cost basis. + References No definition available. + Details
Name: | rgen_AvailableForSaleSecuritiesAmortizedCostBasis
Namespace Prefix: | rgen_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Available for sale securities estimated fair value. + References No definition available. + Details
Name: | rgen_AvailableForSaleSecuritiesEstimatedFairValue
Namespace Prefix: | rgen_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Debt securities held to maturity and cash and cash equivalents amortized costs. + References No definition available. + Details
Name: | rgen_DebtSecuritiesHeldToMaturityAndCashAndCashEquivalentsAmortizedCosts
Namespace Prefix: | rgen_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Debt securities held to maturity and cash and cash equivalents estimated fair value. + References No definition available. + Details
Name: | rgen_DebtSecuritiesHeldToMaturityAndCashAndCashEquivalentsEstimatedFairValue
Namespace Prefix: | rgen_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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 No definition available. + Details
Name: | us-gaap_CashAndCashEquivalentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_CashAndCashEquivalentsAxis=rgen_CashAndMoneyMarketFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_CashAndCashEquivalentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_USTreasuryBillSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=rgen_CashAndCashEquivalentsAndMoneyMarketFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |