XML 78 R68.htm IDEA: XBRL DOCUMENT
v3.19.1

Segment Reporting - (Summary of Product Revenues by Product Line) (Detail) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Revenue from External Customer [Line Items] |  |
Revenue | $ 60,634 | $ 44,830
Increase decrease In Revenue From Contract With Customer | $ 15,813 |
Percentage Of Incraese decrease In Revenue From Contract With Customer | 35.30% |
Chromatography products |  |
Revenue from External Customer [Line Items] |  |
Revenue | $ 13,890 | 10,583
Increase decrease In Revenue From Contract With Customer | $ 3,307 |
Percentage Of Incraese decrease In Revenue From Contract With Customer | 31.20% |
Filtration products |  |
Revenue from External Customer [Line Items] |  |
Revenue | $ 28,882 | 19,793
Increase decrease In Revenue From Contract With Customer | $ 9,089 |
Percentage Of Incraese decrease In Revenue From Contract With Customer | 45.90% |
Protein products |  |
Revenue from External Customer [Line Items] |  |
Revenue | $ 16,653 | 13,586
Increase decrease In Revenue From Contract With Customer | $ 3,067 |
Percentage Of Incraese decrease In Revenue From Contract With Customer | 22.60% |
Other |  |
Revenue from External Customer [Line Items] |  |
Revenue | $ 1,187 | $ 837
Increase decrease In Revenue From Contract With Customer | $ 350 |
Percentage Of Incraese decrease In Revenue From Contract With Customer | 41.80% |

X
- Definition Represents increase decrease in revenue. + References No definition available. + Details
Name: | rgen_IncreaseDecreaseInRevenueFromContractWithCustomer
Namespace Prefix: | rgen_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents percaentage of increase decrease in revenue. + References No definition available. + Details
Name: | rgen_PercentageOfIncraeseDecreaseInRevenueFromContractWithCustomer
Namespace Prefix: | rgen_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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_EntityWideInformationRevenueFromExternalCustomerLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130539-203045 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130543-203045 + Details
Name: | us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | srt_ProductOrServiceAxis=rgen_ChromatographyProductsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=rgen_FiltrationProductsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=rgen_ProteinProductsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=rgen_OtherProductsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |