v3.25.2
Label Element Value
Risk/Return: oef_RiskReturnAbstract  
Document Type dei_DocumentType 485BPOS
Document Period End Date dei_DocumentPeriodEndDate Feb. 28, 2025
Registrant Name dei_EntityRegistrantName BNY Mellon Research Growth Fund, Inc.
Entity Central Index Key dei_EntityCentralIndexKey 0000030162
Amendment Flag dei_AmendmentFlag false
Document Creation Date dei_DocumentCreationDate Jun. 25, 2025
Document Effective Date dei_DocumentEffectiveDate Jun. 30, 2025
Entity Investment Company Type dei_EntityInvCompanyType N-1A
Prospectus Date oef_ProspectusDate Jun. 30, 2025
BNY Mellon Research Growth Fund, Inc. | A  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol DWOAX
BNY Mellon Research Growth Fund, Inc. | C  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol DWOCX
BNY Mellon Research Growth Fund, Inc. | I  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol DWOIX
BNY Mellon Research Growth Fund, Inc. | Y  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol DRYQX
BNY Mellon Research Growth Fund, Inc. | Z  
Risk/Return: oef_RiskReturnAbstract  
Trading Symbol dei_TradingSymbol DREQX