{"cik":1031235,"taxonomy":"us-gaap","tag":"IncreaseDecreaseInAccountsReceivable","label":"Increase (Decrease) in Accounts Receivable","description":"The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.","entityName":"GLOBAL SELF STORAGE, INC.","units":{"USD":[{"start":"2016-01-19","end":"2016-03-31","val":-12389,"accn":"0001564590-16-020554","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-06-14","frame":"CY2016Q1"},{"start":"2016-01-20","end":"2016-03-31","val":-12389,"accn":"0001564590-17-010923","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15"},{"start":"2016-01-19","end":"2016-06-30","val":9135,"accn":"0001564590-16-024352","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2016-01-19","end":"2016-06-30","val":9135,"accn":"0001564590-17-017638","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-14"},{"start":"2016-01-19","end":"2016-09-30","val":50861,"accn":"0001564590-16-029245","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-14"},{"start":"2016-01-19","end":"2016-09-30","val":50861,"accn":"0001564590-17-023522","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-13"},{"start":"2016-01-19","end":"2016-12-31","val":-15416,"accn":"0001564590-17-005791","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-31"},{"start":"2016-01-19","end":"2016-12-31","val":-15416,"accn":"0001564590-18-007439","fy":2017,"fp":"FY","form":"10-K","filed":"2018-04-02","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":-64471,"accn":"0001564590-17-010923","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-15"},{"start":"2017-01-01","end":"2017-03-31","val":-64471,"accn":"0001564590-18-013618","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-15","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":-37361,"accn":"0001564590-17-017638","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-14"},{"start":"2017-01-01","end":"2017-06-30","val":-37361,"accn":"0001564590-18-021693","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-14"},{"start":"2017-01-01","end":"2017-09-30","val":-57283,"accn":"0001564590-17-023522","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-13"},{"start":"2017-01-01","end":"2017-09-30","val":-57283,"accn":"0001564590-18-029554","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-14"},{"start":"2017-01-01","end":"2017-12-31","val":-54318,"accn":"0001564590-18-007439","fy":2017,"fp":"FY","form":"10-K","filed":"2018-04-02"},{"start":"2017-01-01","end":"2017-12-31","val":-54318,"accn":"0001564590-19-010411","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-22104,"accn":"0001564590-18-013618","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-15"},{"start":"2018-01-01","end":"2018-03-31","val":-22104,"accn":"0001564590-19-019389","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-15","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-15136,"accn":"0001564590-18-021693","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-14"},{"start":"2018-01-01","end":"2018-06-30","val":-15136,"accn":"0001564590-19-032127","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2018-01-01","end":"2018-09-30","val":-6823,"accn":"0001564590-18-029554","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-14"},{"start":"2018-01-01","end":"2018-09-30","val":-6823,"accn":"0001564590-19-043508","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2018-01-01","end":"2018-12-31","val":-35685,"accn":"0001564590-19-010411","fy":2018,"fp":"FY","form":"10-K","filed":"2019-04-01"},{"start":"2018-01-01","end":"2018-12-31","val":-35685,"accn":"0001564590-20-014271","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2018-01-01","end":"2018-12-31","val":-35685,"accn":"0001564590-20-055517","fy":2019,"fp":"FY","form":"10-K/A","filed":"2020-11-27","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":23736,"accn":"0001564590-19-019389","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-15"},{"start":"2019-01-01","end":"2019-03-31","val":23736,"accn":"0001564590-20-025805","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":38340,"accn":"0001564590-19-032127","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"start":"2019-01-01","end":"2019-06-30","val":38340,"accn":"0001564590-20-040282","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2019-01-01","end":"2019-09-30","val":34479,"accn":"0001564590-19-043508","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-14"},{"start":"2019-01-01","end":"2019-09-30","val":34479,"accn":"0001564590-20-054169","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-16"},{"start":"2019-01-01","end":"2019-12-31","val":96474,"accn":"0001564590-20-014271","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-30"},{"start":"2019-01-01","end":"2019-12-31","val":96474,"accn":"0001564590-20-055517","fy":2019,"fp":"FY","form":"10-K/A","filed":"2020-11-27"},{"start":"2019-01-01","end":"2019-12-31","val":96474,"accn":"0001564590-21-017086","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-55423,"accn":"0001564590-20-025805","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-15"},{"start":"2020-01-01","end":"2020-03-31","val":-55423,"accn":"0001564590-21-027515","fy":2020,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-77996,"accn":"0001564590-20-040282","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-14"},{"start":"2020-01-01","end":"2020-06-30","val":-77996,"accn":"0001564590-21-044454","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-16"},{"start":"2020-01-01","end":"2020-09-30","val":-95006,"accn":"0001564590-20-054169","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-16"},{"start":"2020-01-01","end":"2020-09-30","val":-95006,"accn":"0000950170-21-004478","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-15"},{"start":"2020-01-01","end":"2020-12-31","val":-57557,"accn":"0001564590-21-017086","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-31"},{"start":"2020-01-01","end":"2020-12-31","val":-57557,"accn":"0000950170-22-005191","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-31","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-28002,"accn":"0001564590-21-027515","fy":2020,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":-28002,"accn":"0000950170-22-009952","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-16","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":41537,"accn":"0001564590-21-044454","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-16"},{"start":"2021-01-01","end":"2021-06-30","val":41537,"accn":"0000950170-22-016442","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-10"},{"start":"2021-01-01","end":"2021-09-30","val":-321,"accn":"0000950170-21-004478","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-15"},{"start":"2021-01-01","end":"2021-09-30","val":-321,"accn":"0000950170-22-024438","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-10"},{"start":"2021-01-01","end":"2021-12-31","val":14120,"accn":"0000950170-22-005191","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-31"},{"start":"2021-01-01","end":"2021-12-31","val":14120,"accn":"0000950170-23-010358","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-28","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-1060,"accn":"0000950170-22-009952","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-16"},{"start":"2022-01-01","end":"2022-03-31","val":-1060,"accn":"0000950170-23-019599","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-09","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":23387,"accn":"0000950170-22-016442","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-10"},{"start":"2022-01-01","end":"2022-06-30","val":23387,"accn":"0000950170-23-041831","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-08-11"},{"start":"2022-01-01","end":"2022-09-30","val":42060,"accn":"0000950170-22-024438","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-10"},{"start":"2022-01-01","end":"2022-09-30","val":42060,"accn":"0000950170-23-062893","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-11-13"},{"start":"2022-01-01","end":"2022-12-31","val":47658,"accn":"0000950170-23-010358","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-28"},{"start":"2022-01-01","end":"2022-12-31","val":47658,"accn":"0000950170-24-036393","fy":2023,"fp":"FY","form":"10-K","filed":"2024-03-26","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":-6720,"accn":"0000950170-23-019599","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-09"},{"start":"2023-01-01","end":"2023-03-31","val":-6720,"accn":"0000950170-24-057771","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-05-10","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":7308,"accn":"0000950170-23-041831","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-08-11"},{"start":"2023-01-01","end":"2023-06-30","val":7308,"accn":"0000950170-24-094717","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-08-09"},{"start":"2023-01-01","end":"2023-09-30","val":36491,"accn":"0000950170-23-062893","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-11-13"},{"start":"2023-01-01","end":"2023-09-30","val":36491,"accn":"0000950170-24-124032","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-11-08"},{"start":"2023-01-01","end":"2023-12-31","val":1111,"accn":"0000950170-24-036393","fy":2023,"fp":"FY","form":"10-K","filed":"2024-03-26"},{"start":"2023-01-01","end":"2023-12-31","val":1111,"accn":"0000950170-25-045186","fy":2024,"fp":"FY","form":"10-K","filed":"2025-03-26","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":-16744,"accn":"0000950170-24-057771","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-05-10"},{"start":"2024-01-01","end":"2024-03-31","val":-16744,"accn":"0000950170-25-067974","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-05-09","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":-13784,"accn":"0000950170-24-094717","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-08-09"},{"start":"2024-01-01","end":"2024-06-30","val":-13784,"accn":"0000950170-25-105798","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-08-08"},{"start":"2024-01-01","end":"2024-09-30","val":-41982,"accn":"0000950170-24-124032","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-11-08"},{"start":"2024-01-01","end":"2024-09-30","val":-41982,"accn":"0001193125-25-272274","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-11-07"},{"start":"2024-01-01","end":"2024-12-31","val":-27002,"accn":"0000950170-25-045186","fy":2024,"fp":"FY","form":"10-K","filed":"2025-03-26"},{"start":"2024-01-01","end":"2024-12-31","val":-27002,"accn":"0001193125-26-124051","fy":2025,"fp":"FY","form":"10-K","filed":"2026-03-25","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":-24323,"accn":"0000950170-25-067974","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-05-09"},{"start":"2025-01-01","end":"2025-03-31","val":-24323,"accn":"0001193125-26-214568","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-08","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":-23504,"accn":"0000950170-25-105798","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-08-08"},{"start":"2025-01-01","end":"2025-09-30","val":-22899,"accn":"0001193125-25-272274","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-11-07"},{"start":"2025-01-01","end":"2025-12-31","val":-24506,"accn":"0001193125-26-124051","fy":2025,"fp":"FY","form":"10-K","filed":"2026-03-25","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":-8122,"accn":"0001193125-26-214568","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-08","frame":"CY2026Q1"}]}}