{"cik":1041368,"taxonomy":"us-gaap","tag":"ShareBasedCompensation","label":"Share-based Payment Arrangement, Noncash Expense","description":"Amount of noncash expense for share-based payment arrangement.","entityName":"RIVERVIEW BANCORP INC","units":{"USD":[{"start":"2010-04-01","end":"2010-06-30","val":39000,"accn":"0000939057-11-000261","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-08-10","frame":"CY2010Q2"},{"start":"2011-04-01","end":"2011-06-30","val":3000,"accn":"0000939057-11-000261","fy":2011,"fp":"Q1","form":"10-Q","filed":"2011-08-10","frame":"CY2011Q2"},{"start":"2014-04-01","end":"2014-06-30","val":-26000,"accn":"0000939057-15-000393","fy":2016,"fp":"Q1","form":"10-Q","filed":"2015-08-07","frame":"CY2014Q2"},{"start":"2014-04-01","end":"2014-09-30","val":-27000,"accn":"0000939057-15-000519","fy":2016,"fp":"Q2","form":"10-Q","filed":"2015-11-06"},{"start":"2014-04-01","end":"2014-12-31","val":-26000,"accn":"0000939057-16-000659","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-02-09"},{"start":"2014-04-01","end":"2015-03-31","val":26000,"accn":"0000939057-17-000272","fy":2017,"fp":"FY","form":"10-K","filed":"2017-06-05","frame":"CY2014"},{"start":"2017-04-01","end":"2018-03-31","val":88000,"accn":"0000939057-18-000331","fy":2018,"fp":"FY","form":"10-K","filed":"2018-06-13"},{"start":"2017-04-01","end":"2018-03-31","val":88000,"accn":"0000939057-19-000262","fy":2019,"fp":"FY","form":"10-K","filed":"2019-06-14"},{"start":"2017-04-01","end":"2018-03-31","val":88000,"accn":"0000939057-20-000265","fy":2020,"fp":"FY","form":"10-K","filed":"2020-06-17","frame":"CY2017"},{"start":"2018-04-01","end":"2018-06-30","val":11000,"accn":"0000939057-18-000406","fy":2019,"fp":"Q1","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":11000,"accn":"0000939057-19-000307","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-04-01","end":"2018-09-30","val":22000,"accn":"0000939057-18-000545","fy":2019,"fp":"Q2","form":"10-Q","filed":"2018-11-07"},{"start":"2018-04-01","end":"2018-09-30","val":22000,"accn":"0000939057-19-000403","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-11-07"},{"start":"2018-04-01","end":"2018-12-31","val":34000,"accn":"0000939057-19-000055","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-02-08"},{"start":"2018-04-01","end":"2018-12-31","val":34000,"accn":"0000939057-20-000046","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-02-07"},{"start":"2018-04-01","end":"2019-03-31","val":44000,"accn":"0000939057-19-000262","fy":2019,"fp":"FY","form":"10-K","filed":"2019-06-14"},{"start":"2018-04-01","end":"2019-03-31","val":44000,"accn":"0000939057-20-000265","fy":2020,"fp":"FY","form":"10-K","filed":"2020-06-17"},{"start":"2018-04-01","end":"2019-03-31","val":44000,"accn":"0000939057-21-000189","fy":2021,"fp":"FY","form":"10-K","filed":"2021-06-21","frame":"CY2018"},{"start":"2019-04-01","end":"2019-06-30","val":180000,"accn":"0000939057-19-000307","fy":2020,"fp":"Q1","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":180000,"accn":"0000939057-20-000327","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-08-14","frame":"CY2019Q2"},{"start":"2019-04-01","end":"2019-09-30","val":249000,"accn":"0000939057-19-000403","fy":2020,"fp":"Q2","form":"10-Q","filed":"2019-11-07"},{"start":"2019-04-01","end":"2019-09-30","val":249000,"accn":"0000939057-20-000424","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-11-13"},{"start":"2019-04-01","end":"2019-12-31","val":317000,"accn":"0000939057-20-000046","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-02-07"},{"start":"2019-04-01","end":"2019-12-31","val":317000,"accn":"0000939057-21-000059","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-02-11"},{"start":"2019-04-01","end":"2020-03-31","val":346000,"accn":"0000939057-20-000265","fy":2020,"fp":"FY","form":"10-K","filed":"2020-06-17"},{"start":"2019-04-01","end":"2020-03-31","val":346000,"accn":"0000939057-21-000189","fy":2021,"fp":"FY","form":"10-K","filed":"2021-06-21"},{"start":"2019-04-01","end":"2020-03-31","val":346000,"accn":"0000939057-22-000172","fy":2022,"fp":"FY","form":"10-K","filed":"2022-06-15","frame":"CY2019"},{"start":"2020-04-01","end":"2020-06-30","val":40000,"accn":"0000939057-20-000327","fy":2021,"fp":"Q1","form":"10-Q","filed":"2020-08-14"},{"start":"2020-04-01","end":"2020-06-30","val":40000,"accn":"0000939057-21-000233","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-08-12","frame":"CY2020Q2"},{"start":"2020-04-01","end":"2020-09-30","val":206000,"accn":"0000939057-20-000424","fy":2021,"fp":"Q2","form":"10-Q","filed":"2020-11-13"},{"start":"2020-04-01","end":"2020-09-30","val":206000,"accn":"0000939057-21-000336","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-11-12"},{"start":"2020-04-01","end":"2020-12-31","val":301000,"accn":"0000939057-21-000059","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-02-11"},{"start":"2020-04-01","end":"2020-12-31","val":301000,"accn":"0000939057-22-000054","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-02-11"},{"start":"2020-04-01","end":"2021-03-31","val":396000,"accn":"0000939057-21-000189","fy":2021,"fp":"FY","form":"10-K","filed":"2021-06-21"},{"start":"2020-04-01","end":"2021-03-31","val":396000,"accn":"0000939057-22-000172","fy":2022,"fp":"FY","form":"10-K","filed":"2022-06-15"},{"start":"2020-04-01","end":"2021-03-31","val":396000,"accn":"0000939057-23-000178","fy":2023,"fp":"FY","form":"10-K","filed":"2023-06-14","frame":"CY2020"},{"start":"2021-04-01","end":"2021-06-30","val":55000,"accn":"0000939057-21-000233","fy":2022,"fp":"Q1","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":55000,"accn":"0000939057-22-000231","fy":2023,"fp":"Q1","form":"10-Q","filed":"2022-08-12","frame":"CY2021Q2"},{"start":"2021-04-01","end":"2021-09-30","val":177000,"accn":"0000939057-21-000336","fy":2022,"fp":"Q2","form":"10-Q","filed":"2021-11-12"},{"start":"2021-04-01","end":"2021-09-30","val":177000,"accn":"0000939057-22-000347","fy":2023,"fp":"Q2","form":"10-Q","filed":"2022-11-10"},{"start":"2021-04-01","end":"2021-12-31","val":289000,"accn":"0000939057-22-000054","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-02-11"},{"start":"2021-04-01","end":"2021-12-31","val":289000,"accn":"0000939057-23-000035","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-02-07"},{"start":"2021-04-01","end":"2022-03-31","val":319000,"accn":"0000939057-22-000172","fy":2022,"fp":"FY","form":"10-K","filed":"2022-06-15"},{"start":"2021-04-01","end":"2022-03-31","val":319000,"accn":"0000939057-23-000178","fy":2023,"fp":"FY","form":"10-K","filed":"2023-06-14"},{"start":"2021-04-01","end":"2022-03-31","val":319000,"accn":"0000939057-24-000163","fy":2024,"fp":"FY","form":"10-K","filed":"2024-06-14","frame":"CY2021"},{"start":"2022-04-01","end":"2022-06-30","val":63000,"accn":"0000939057-22-000231","fy":2023,"fp":"Q1","form":"10-Q","filed":"2022-08-12"},{"start":"2022-04-01","end":"2022-06-30","val":63000,"accn":"0000939057-23-000235","fy":2024,"fp":"Q1","form":"10-Q","filed":"2023-08-14","frame":"CY2022Q2"},{"start":"2022-04-01","end":"2022-09-30","val":192000,"accn":"0000939057-22-000347","fy":2023,"fp":"Q2","form":"10-Q","filed":"2022-11-10"},{"start":"2022-04-01","end":"2022-09-30","val":192000,"accn":"0000939057-23-000343","fy":2024,"fp":"Q2","form":"10-Q","filed":"2023-11-09"},{"start":"2022-04-01","end":"2022-12-31","val":292000,"accn":"0000939057-23-000035","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-02-07"},{"start":"2022-04-01","end":"2022-12-31","val":292000,"accn":"0000939057-24-000051","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-02-08"},{"start":"2022-04-01","end":"2023-03-31","val":390000,"accn":"0000939057-23-000178","fy":2023,"fp":"FY","form":"10-K","filed":"2023-06-14"},{"start":"2022-04-01","end":"2023-03-31","val":390000,"accn":"0000939057-24-000163","fy":2024,"fp":"FY","form":"10-K","filed":"2024-06-14"},{"start":"2022-04-01","end":"2023-03-31","val":390000,"accn":"0000939057-25-000159","fy":2025,"fp":"FY","form":"10-K","filed":"2025-06-12","frame":"CY2022"},{"start":"2023-04-01","end":"2023-06-30","val":62000,"accn":"0000939057-23-000235","fy":2024,"fp":"Q1","form":"10-Q","filed":"2023-08-14"},{"start":"2023-04-01","end":"2023-06-30","val":62000,"accn":"0000939057-24-000208","fy":2025,"fp":"Q1","form":"10-Q","filed":"2024-08-08","frame":"CY2023Q2"},{"start":"2023-04-01","end":"2023-09-30","val":-8000,"accn":"0000939057-23-000343","fy":2024,"fp":"Q2","form":"10-Q","filed":"2023-11-09"},{"start":"2023-04-01","end":"2023-09-30","val":-8000,"accn":"0000939057-24-000317","fy":2025,"fp":"Q2","form":"10-Q","filed":"2024-11-08"},{"start":"2023-04-01","end":"2023-12-31","val":11000,"accn":"0000939057-24-000051","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-02-08"},{"start":"2023-04-01","end":"2023-12-31","val":11000,"accn":"0000939057-25-000048","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-02-12"},{"start":"2023-04-01","end":"2024-03-31","val":34000,"accn":"0000939057-24-000163","fy":2024,"fp":"FY","form":"10-K","filed":"2024-06-14"},{"start":"2023-04-01","end":"2024-03-31","val":34000,"accn":"0000939057-25-000159","fy":2025,"fp":"FY","form":"10-K","filed":"2025-06-12"},{"start":"2023-04-01","end":"2024-03-31","val":34000,"accn":"0001041368-26-000007","fy":2026,"fp":"FY","form":"10-K","filed":"2026-06-12","frame":"CY2023"},{"start":"2024-04-01","end":"2024-06-30","val":26000,"accn":"0000939057-24-000208","fy":2025,"fp":"Q1","form":"10-Q","filed":"2024-08-08"},{"start":"2024-04-01","end":"2024-06-30","val":26000,"accn":"0000939057-25-000203","fy":2026,"fp":"Q1","form":"10-Q","filed":"2025-08-08","frame":"CY2024Q2"},{"start":"2024-04-01","end":"2024-09-30","val":52000,"accn":"0000939057-24-000317","fy":2025,"fp":"Q2","form":"10-Q","filed":"2024-11-08"},{"start":"2024-04-01","end":"2024-09-30","val":52000,"accn":"0001041368-25-000004","fy":2026,"fp":"Q2","form":"10-Q","filed":"2025-11-07"},{"start":"2024-04-01","end":"2024-12-31","val":316000,"accn":"0000939057-25-000048","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-02-12"},{"start":"2024-04-01","end":"2024-12-31","val":316000,"accn":"0001041368-26-000003","fy":2026,"fp":"Q3","form":"10-Q","filed":"2026-02-13"},{"start":"2024-04-01","end":"2025-03-31","val":384000,"accn":"0000939057-25-000159","fy":2025,"fp":"FY","form":"10-K","filed":"2025-06-12"},{"start":"2024-04-01","end":"2025-03-31","val":384000,"accn":"0001041368-26-000007","fy":2026,"fp":"FY","form":"10-K","filed":"2026-06-12","frame":"CY2024"},{"start":"2025-04-01","end":"2025-06-30","val":109000,"accn":"0000939057-25-000203","fy":2026,"fp":"Q1","form":"10-Q","filed":"2025-08-08"},{"start":"2025-04-01","end":"2025-06-30","val":109000,"accn":"0001104659-26-096729","fy":2027,"fp":"Q1","form":"10-Q","filed":"2026-08-14","frame":"CY2025Q2"},{"start":"2025-04-01","end":"2025-09-30","val":318000,"accn":"0001041368-25-000004","fy":2026,"fp":"Q2","form":"10-Q","filed":"2025-11-07"},{"start":"2025-04-01","end":"2025-12-31","val":474000,"accn":"0001041368-26-000003","fy":2026,"fp":"Q3","form":"10-Q","filed":"2026-02-13"},{"start":"2025-04-01","end":"2026-03-31","val":431000,"accn":"0001041368-26-000007","fy":2026,"fp":"FY","form":"10-K","filed":"2026-06-12","frame":"CY2025"},{"start":"2026-04-01","end":"2026-06-30","val":89000,"accn":"0001104659-26-096729","fy":2027,"fp":"Q1","form":"10-Q","filed":"2026-08-14","frame":"CY2026Q2"}]}}