{"cik":1527599,"taxonomy":"us-gaap","tag":"ShareBasedCompensation","label":"Share-based Payment Arrangement, Noncash Expense","description":"Amount of noncash expense for share-based payment arrangement.","entityName":"SYNLOGIC, INC.","units":{"USD":[{"start":"2013-01-01","end":"2013-12-31","val":163000,"accn":"0001558370-16-004457","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30","frame":"CY2013"},{"start":"2014-01-01","end":"2014-09-30","val":287000,"accn":"0001558370-15-002653","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-13"},{"start":"2014-01-01","end":"2014-12-31","val":408000,"accn":"0001558370-16-004457","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2014-01-01","end":"2014-12-31","val":408000,"accn":"0001527599-17-000004","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-15","frame":"CY2014"},{"start":"2015-01-01","end":"2015-03-31","val":134000,"accn":"0001558370-16-005931","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12","frame":"CY2015Q1"},{"start":"2015-01-01","end":"2015-06-30","val":351000,"accn":"0001558370-16-007977","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2015-01-01","end":"2015-09-30","val":561000,"accn":"0001558370-15-002653","fy":2015,"fp":"Q3","form":"10-Q","filed":"2015-11-13"},{"start":"2015-01-01","end":"2015-09-30","val":561000,"accn":"0001527599-16-000007","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-10"},{"start":"2015-01-01","end":"2015-12-31","val":985000,"accn":"0001558370-16-004457","fy":2015,"fp":"FY","form":"10-K","filed":"2016-03-30"},{"start":"2015-01-01","end":"2015-12-31","val":985000,"accn":"0001527599-17-000004","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-15","frame":"CY2015"},{"start":"2016-01-01","end":"2016-03-31","val":447000,"accn":"0001558370-16-005931","fy":2016,"fp":"Q1","form":"10-Q","filed":"2016-05-12"},{"start":"2016-01-01","end":"2016-03-31","val":447000,"accn":"0001527599-17-000012","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-06-30","val":689000,"accn":"0001558370-16-007977","fy":2016,"fp":"Q2","form":"10-Q","filed":"2016-08-15"},{"start":"2016-01-01","end":"2016-06-30","val":689000,"accn":"0001527599-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2016-01-01","end":"2016-09-30","val":1202000,"accn":"0001527599-16-000007","fy":2016,"fp":"Q3","form":"10-Q","filed":"2016-11-10"},{"start":"2016-01-01","end":"2016-09-30","val":226000,"accn":"0001193125-17-340965","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-13"},{"start":"2016-07-01","end":"2016-09-30","val":73000,"accn":"0001193125-17-340965","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-13","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":1592000,"accn":"0001527599-17-000004","fy":2016,"fp":"FY","form":"10-K","filed":"2017-03-15"},{"start":"2016-01-01","end":"2016-12-31","val":369000,"accn":"0001564590-18-006323","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":364000,"accn":"0001527599-17-000012","fy":2017,"fp":"Q1","form":"10-Q","filed":"2017-05-09"},{"start":"2017-01-01","end":"2017-03-31","val":130000,"accn":"0001564590-18-013629","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-15","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":693000,"accn":"0001527599-17-000018","fy":2017,"fp":"Q2","form":"10-Q","filed":"2017-08-04"},{"start":"2017-01-01","end":"2017-06-30","val":797000,"accn":"0001564590-18-020755","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":667000,"accn":"0001564590-18-020755","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":1478000,"accn":"0001193125-17-340965","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-13"},{"start":"2017-01-01","end":"2017-09-30","val":1478000,"accn":"0001564590-18-029326","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-13"},{"start":"2017-07-01","end":"2017-09-30","val":681000,"accn":"0001193125-17-340965","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-13"},{"start":"2017-07-01","end":"2017-09-30","val":681000,"accn":"0001564590-18-029326","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-13","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":2652000,"accn":"0001564590-18-006323","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-20"},{"start":"2017-01-01","end":"2017-12-31","val":2652000,"accn":"0001564590-19-007367","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-12","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":919000,"accn":"0001564590-18-013629","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-15"},{"start":"2018-01-01","end":"2018-03-31","val":919000,"accn":"0001564590-19-018049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":2413000,"accn":"0001564590-18-020755","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":2413000,"accn":"0001564590-19-030838","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":1494000,"accn":"0001564590-18-020755","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":1494000,"accn":"0001564590-19-030838","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":3445000,"accn":"0001564590-18-029326","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-13"},{"start":"2018-01-01","end":"2018-09-30","val":3445000,"accn":"0001564590-19-042635","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-12"},{"start":"2018-07-01","end":"2018-09-30","val":1032000,"accn":"0001564590-18-029326","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-13"},{"start":"2018-07-01","end":"2018-09-30","val":1031000,"accn":"0001564590-19-042635","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-12","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":4317000,"accn":"0001564590-19-007367","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-12"},{"start":"2018-01-01","end":"2018-12-31","val":4317000,"accn":"0001564590-20-010261","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-12","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":954000,"accn":"0001564590-19-018049","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-09"},{"start":"2019-01-01","end":"2019-03-31","val":954000,"accn":"0001564590-20-023231","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-08","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":2025000,"accn":"0001564590-19-030838","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":2025000,"accn":"0001564590-20-037234","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":1071000,"accn":"0001564590-19-030838","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":1071000,"accn":"0001564590-20-037234","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":3094000,"accn":"0001564590-19-042635","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-12"},{"start":"2019-01-01","end":"2019-09-30","val":3094000,"accn":"0001564590-20-050817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":1069000,"accn":"0001564590-19-042635","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-12"},{"start":"2019-07-01","end":"2019-09-30","val":1069000,"accn":"0001564590-20-050817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":4134000,"accn":"0001564590-20-010261","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-12"},{"start":"2019-01-01","end":"2019-12-31","val":4134000,"accn":"0001564590-21-015256","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-25","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":1095000,"accn":"0001564590-20-023231","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-08"},{"start":"2020-01-01","end":"2020-03-31","val":1095000,"accn":"0001564590-21-027177","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":2170000,"accn":"0001564590-20-037234","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":2170000,"accn":"0001564590-21-043681","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2020-04-01","end":"2020-06-30","val":1075000,"accn":"0001564590-20-037234","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":1075000,"accn":"0001564590-21-043681","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":3105000,"accn":"0001564590-20-050817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":3105000,"accn":"0001564590-21-055907","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2020-07-01","end":"2020-09-30","val":935000,"accn":"0001564590-20-050817","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":935000,"accn":"0001564590-21-055907","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":3907000,"accn":"0001564590-21-015256","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-25"},{"start":"2020-01-01","end":"2020-12-31","val":3907000,"accn":"0001564590-22-010714","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-17","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":877000,"accn":"0001564590-21-027177","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":877000,"accn":"0001564590-22-019671","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":1753000,"accn":"0001564590-21-043681","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-01-01","end":"2021-06-30","val":1753000,"accn":"0000950170-22-016623","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-11"},{"start":"2021-04-01","end":"2021-06-30","val":876000,"accn":"0001564590-21-043681","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"start":"2021-04-01","end":"2021-06-30","val":876000,"accn":"0000950170-22-016623","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-11","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":2561000,"accn":"0001564590-21-055907","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-01-01","end":"2021-09-30","val":2561000,"accn":"0000950170-22-024120","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-10"},{"start":"2021-07-01","end":"2021-09-30","val":808000,"accn":"0001564590-21-055907","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"start":"2021-07-01","end":"2021-09-30","val":808000,"accn":"0000950170-22-024120","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-10","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":3361000,"accn":"0001564590-22-010714","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-17"},{"start":"2021-01-01","end":"2021-12-31","val":3361000,"accn":"0000950170-23-010428","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-29","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":890000,"accn":"0001564590-22-019671","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-12"},{"start":"2022-01-01","end":"2022-03-31","val":890000,"accn":"0000950170-23-020782","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":1867000,"accn":"0000950170-22-016623","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-11"},{"start":"2022-01-01","end":"2022-06-30","val":1867000,"accn":"0000950170-23-040922","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-08-10"},{"start":"2022-04-01","end":"2022-06-30","val":977000,"accn":"0000950170-22-016623","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-11"},{"start":"2022-04-01","end":"2022-06-30","val":977000,"accn":"0000950170-23-040922","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-08-10","frame":"CY2022Q2"},{"start":"2022-01-01","end":"2022-09-30","val":2761000,"accn":"0000950170-22-024120","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-10"},{"start":"2022-01-01","end":"2022-09-30","val":2761000,"accn":"0000950170-23-061493","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-11-09"},{"start":"2022-07-01","end":"2022-09-30","val":894000,"accn":"0000950170-22-024120","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-10"},{"start":"2022-07-01","end":"2022-09-30","val":894000,"accn":"0000950170-23-061493","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-11-09","frame":"CY2022Q3"},{"start":"2022-01-01","end":"2022-12-31","val":3639000,"accn":"0000950170-23-010428","fy":2022,"fp":"FY","form":"10-K","filed":"2023-03-29"},{"start":"2022-01-01","end":"2022-12-31","val":3639000,"accn":"0000950170-24-033146","fy":2023,"fp":"FY","form":"10-K","filed":"2024-03-19","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":718000,"accn":"0000950170-23-020782","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-11"},{"start":"2023-01-01","end":"2023-03-31","val":718000,"accn":"0000950170-24-059064","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-05-14","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":1363000,"accn":"0000950170-23-040922","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-08-10"},{"start":"2023-01-01","end":"2023-06-30","val":1363000,"accn":"0000950170-24-093282","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-08-08"},{"start":"2023-04-01","end":"2023-06-30","val":645000,"accn":"0000950170-23-040922","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-08-10"},{"start":"2023-04-01","end":"2023-06-30","val":645000,"accn":"0000950170-24-093282","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-08-08","frame":"CY2023Q2"},{"start":"2023-01-01","end":"2023-09-30","val":2003000,"accn":"0000950170-23-061493","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-11-09"},{"start":"2023-01-01","end":"2023-09-30","val":2003000,"accn":"0000950170-24-125567","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-11-12"},{"start":"2023-07-01","end":"2023-09-30","val":640000,"accn":"0000950170-23-061493","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-11-09"},{"start":"2023-07-01","end":"2023-09-30","val":640000,"accn":"0000950170-24-125567","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-11-12","frame":"CY2023Q3"},{"start":"2023-01-01","end":"2023-12-31","val":2806000,"accn":"0000950170-24-033146","fy":2023,"fp":"FY","form":"10-K","filed":"2024-03-19"},{"start":"2023-01-01","end":"2023-12-31","val":2806000,"accn":"0000950170-25-034820","fy":2024,"fp":"FY","form":"10-K","filed":"2025-03-06","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":2221000,"accn":"0000950170-24-059064","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-05-14"},{"start":"2024-01-01","end":"2024-03-31","val":2221000,"accn":"0000950170-25-067081","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-05-08","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":2719000,"accn":"0000950170-24-093282","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-08-08"},{"start":"2024-01-01","end":"2024-06-30","val":2719000,"accn":"0000950170-25-105106","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-08-07"},{"start":"2024-04-01","end":"2024-06-30","val":498000,"accn":"0000950170-24-093282","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-08-08"},{"start":"2024-04-01","end":"2024-06-30","val":498000,"accn":"0000950170-25-105106","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-08-07","frame":"CY2024Q2"},{"start":"2024-01-01","end":"2024-09-30","val":2821000,"accn":"0000950170-24-125567","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-11-12"},{"start":"2024-01-01","end":"2024-09-30","val":2821000,"accn":"0001193125-25-280270","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-11-13"},{"start":"2024-07-01","end":"2024-09-30","val":102000,"accn":"0000950170-24-125567","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-11-12"},{"start":"2024-07-01","end":"2024-09-30","val":102000,"accn":"0001193125-25-280270","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-11-13","frame":"CY2024Q3"},{"start":"2024-01-01","end":"2024-12-31","val":3169000,"accn":"0000950170-25-034820","fy":2024,"fp":"FY","form":"10-K","filed":"2025-03-06"},{"start":"2024-01-01","end":"2024-12-31","val":3169000,"accn":"0001193125-26-104262","fy":2025,"fp":"FY","form":"10-K","filed":"2026-03-12","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":25000,"accn":"0000950170-25-067081","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-05-08"},{"start":"2025-01-01","end":"2025-03-31","val":25000,"accn":"0001193125-26-224171","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-14","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":54000,"accn":"0000950170-25-105106","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-08-07"},{"start":"2025-04-01","end":"2025-06-30","val":29000,"accn":"0000950170-25-105106","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-08-07","frame":"CY2025Q2"},{"start":"2025-01-01","end":"2025-09-30","val":87000,"accn":"0001193125-25-280270","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-11-13"},{"start":"2025-07-01","end":"2025-09-30","val":33000,"accn":"0001193125-25-280270","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-11-13","frame":"CY2025Q3"},{"start":"2025-01-01","end":"2025-12-31","val":117000,"accn":"0001193125-26-104262","fy":2025,"fp":"FY","form":"10-K","filed":"2026-03-12","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":10000,"accn":"0001193125-26-224171","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-14","frame":"CY2026Q1"}]}}