{"cik":87047,"taxonomy":"us-gaap","tag":"EarningsPerShareBasic","label":"Earnings Per Share, Basic","description":"The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.","entityName":"SB PARTNERS","units":{"USD/shares":[{"start":"2021-01-01","end":"2021-03-31","val":603.55,"accn":"0001437749-22-012568","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-16","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":873.67,"accn":"0001437749-22-020499","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-15"},{"start":"2021-04-01","end":"2021-06-30","val":270.12,"accn":"0001437749-22-020499","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-15","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":1992.71,"accn":"0001437749-22-027125","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2021-07-01","end":"2021-09-30","val":1119.05,"accn":"0001437749-22-027125","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2021Q3"},{"start":"2022-01-01","end":"2022-03-31","val":-8.05,"accn":"0001437749-22-012568","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-16","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":-4.68,"accn":"0001437749-22-020499","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-15"},{"start":"2022-04-01","end":"2022-06-30","val":3.37,"accn":"0001437749-22-020499","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-15","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":1097.87,"accn":"0001437749-22-027125","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14"},{"start":"2022-07-01","end":"2022-09-30","val":1102.55,"accn":"0001437749-22-027125","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-14","frame":"CY2022Q3"}]}}