XML 49 R38.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Organization and Nature of Business - Additional Information (Detail) | Dec. 31, 2023 Sites
--- | ---
Accounting Policies [Abstract] |
Number of manufacturing sites | 19

X
- Definition Number of manufacturing sites. + References No definition available. + Details
Name: | rgen_NumberOfManufacturingSites
Namespace Prefix: | rgen_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration