RELATED PARTY TRANSACTIONS	9 Months Ended
Sep. 30, 2022
Related Party Transactions [Abstract]
RELATED PARTY TRANSACTIONS	RELATED PARTY TRANSACTIONS Rimini Street, Inc. (“RSI”) was incorporated in the state of Nevada in September 2005. In May 2017, RSI entered into an Agreement and Plan of Merger (the “Merger Agreement”) with GP Investments Acquisition Corp. (“GPIA”), a publicly-held special purpose acquisition company (“SPAC”) incorporated in the Cayman Islands and formed for the purpose of effecting a business combination with one or more businesses. The Merger Agreement was approved by the respective shareholders of RSI and GPIA in October 2017, and closing occurred on October 10, 2017, resulting in (i) the merger of a wholly-owned subsidiary of GPIA with and into RSI, with RSI as the surviving corporation, after which (ii) RSI merged with and into GPIA, with GPIA as the surviving corporation and renamed “Rimini Street, Inc.” (referred to herein as “RMNI”, as distinguished from RSI, which is defined as the predecessor entity with the same legal name) immediately after consummation of the second merger. Prior to the consummation of the mergers, the ultimate parent entity of GPIA was GP Investments, Ltd. (“GP Investments”), a global private equity firm and a former affiliate of the Company. An affiliate of GP Investments was a member of the Company’s Board of Directors until May 5, 2021.In addition, an affiliate of Adams Street Partners and its affiliates (collectively referred to as “ASP”) is also a member of the Company’s Board of Directors. As of September 30, 2022, ASP owned approximately 26.7% of the Company’s issued and outstanding shares of Common Stock. In July 2018, ASP acquired 19,209 shares of Series A Preferred Stock and approximately 0.4 million shares of Common Stock for total consideration of approximately $19.2 million, all of which shares of Series A Preferred Stock were redeemed by the Company in 2021 on the same terms and conditions as for all other holders of Series A Preferred Stock.

RELATED PARTY TRANSACTIONS

9 Months Ended

Sep. 30, 2022

RELATED PARTY TRANSACTIONS Rimini Street, Inc. (“RSI”) was incorporated in the state of Nevada in September 2005. In May 2017, RSI entered into an Agreement and Plan of Merger (the “Merger Agreement”) with GP Investments Acquisition Corp. (“GPIA”), a publicly-held special purpose acquisition company (“SPAC”) incorporated in the Cayman Islands and formed for the purpose of effecting a business combination with one or more businesses. The Merger Agreement was approved by the respective shareholders of RSI and GPIA in October 2017, and closing occurred on October 10, 2017, resulting in (i) the merger of a wholly-owned subsidiary of GPIA with and into RSI, with RSI as the surviving corporation, after which (ii) RSI merged with and into GPIA, with GPIA as the surviving corporation and renamed “Rimini Street, Inc.” (referred to herein as “RMNI”, as distinguished from RSI, which is defined as the predecessor entity with the same legal name) immediately after consummation of the second merger. Prior to the consummation of the mergers, the ultimate parent entity of GPIA was GP Investments, Ltd. (“GP Investments”), a global private equity firm and a former affiliate of the Company. An affiliate of GP Investments was a member of the Company’s Board of Directors until May 5, 2021.In addition, an affiliate of Adams Street Partners and its affiliates (collectively referred to as “ASP”) is also a member of the Company’s Board of Directors. As of September 30, 2022, ASP owned approximately 26.7% of the Company’s issued and outstanding shares of Common Stock. In July 2018, ASP acquired 19,209 shares of Series A Preferred Stock and approximately 0.4 million shares of Common Stock for total consideration of approximately $19.2 million, all of which shares of Series A Preferred Stock were redeemed by the Company in 2021 on the same terms and conditions as for all other holders of Series A Preferred Stock.