{"cik":1711279,"taxonomy":"us-gaap","tag":"AllocatedShareBasedCompensationExpense","label":"Share-based Payment Arrangement, Expense","description":"Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.","entityName":"Krystal Biotech, Inc.","units":{"USD":[{"start":"2016-01-01","end":"2016-03-31","val":91000,"accn":"0001564590-18-011136","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2016Q1"},{"start":"2016-01-01","end":"2016-09-30","val":7000,"accn":"0001193125-17-341032","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-13"},{"start":"2016-07-01","end":"2016-09-30","val":4000,"accn":"0001193125-17-341032","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-13","frame":"CY2016Q3"},{"start":"2016-01-01","end":"2016-12-31","val":33000,"accn":"0001564590-18-005252","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-12","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":65000,"accn":"0001564590-18-011136","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-07","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":135000,"accn":"0001564590-18-019294","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-06"},{"start":"2017-04-01","end":"2017-06-30","val":44000,"accn":"0001564590-18-019294","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-06","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":188000,"accn":"0001193125-17-341032","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-13"},{"start":"2017-01-01","end":"2017-09-30","val":188000,"accn":"0001564590-18-026663","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-05"},{"start":"2017-07-01","end":"2017-09-30","val":54000,"accn":"0001193125-17-341032","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-11-13"},{"start":"2017-07-01","end":"2017-09-30","val":54000,"accn":"0001564590-18-026663","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-05","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":246000,"accn":"0001564590-18-005252","fy":2017,"fp":"FY","form":"10-K","filed":"2018-03-12","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":65000,"accn":"0001564590-19-016236","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-07","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":175000,"accn":"0001564590-18-019294","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-06"},{"start":"2018-01-01","end":"2018-06-30","val":175000,"accn":"0001564590-19-028548","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-05"},{"start":"2018-04-01","end":"2018-06-30","val":110000,"accn":"0001564590-18-019294","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-06"},{"start":"2018-04-01","end":"2018-06-30","val":110000,"accn":"0001564590-19-028548","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-05","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":344000,"accn":"0001564590-18-026663","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-05"},{"start":"2018-01-01","end":"2018-09-30","val":344000,"accn":"0001564590-19-039515","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-04"},{"start":"2018-07-01","end":"2018-09-30","val":168000,"accn":"0001564590-18-026663","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-05"},{"start":"2018-07-01","end":"2018-09-30","val":168000,"accn":"0001564590-19-039515","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-04","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":792000,"accn":"0001564590-20-009550","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-10","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":204000,"accn":"0001564590-19-016236","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-07"},{"start":"2019-01-01","end":"2019-03-31","val":313000,"accn":"0001564590-20-020571","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":456000,"accn":"0001564590-19-028548","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-05"},{"start":"2019-01-01","end":"2019-06-30","val":638000,"accn":"0001564590-20-038503","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-07"},{"start":"2019-04-01","end":"2019-06-30","val":252000,"accn":"0001564590-19-028548","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-05"},{"start":"2019-04-01","end":"2019-06-30","val":325000,"accn":"0001564590-20-038503","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-07","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":734000,"accn":"0001564590-19-039515","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-04"},{"start":"2019-01-01","end":"2019-09-30","val":916000,"accn":"0001711279-20-000006","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-09"},{"start":"2019-07-01","end":"2019-09-30","val":278000,"accn":"0001564590-19-039515","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-04"},{"start":"2019-07-01","end":"2019-09-30","val":278000,"accn":"0001711279-20-000006","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-09","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":1239000,"accn":"0001564590-20-009550","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-10"},{"start":"2019-01-01","end":"2019-12-31","val":1239000,"accn":"0001711279-21-000006","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-01","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":539000,"accn":"0001564590-20-020571","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":1346000,"accn":"0001564590-20-038503","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-07"},{"start":"2020-01-01","end":"2020-06-30","val":1346000,"accn":"0001711279-21-000027","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-09"},{"start":"2020-04-01","end":"2020-06-30","val":807000,"accn":"0001564590-20-038503","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-07","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":2702000,"accn":"0001711279-20-000006","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-09"},{"start":"2020-07-01","end":"2020-09-30","val":1356000,"accn":"0001711279-20-000006","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-09","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":3272000,"accn":"0001711279-21-000006","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-01"},{"start":"2020-01-01","end":"2020-12-31","val":3272000,"accn":"0001711279-22-000004","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-28"},{"start":"2020-01-01","end":"2020-12-31","val":3272000,"accn":"0001711279-23-000008","fy":2021,"fp":"FY","form":"10-K","filed":"2023-02-27","frame":"CY2020"},{"start":"2021-01-01","end":"2021-06-30","val":5840000,"accn":"0001711279-21-000027","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-09"},{"start":"2021-01-01","end":"2021-12-31","val":13669000,"accn":"0001711279-22-000004","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-28"},{"start":"2021-01-01","end":"2021-12-31","val":13669000,"accn":"0001711279-23-000008","fy":2021,"fp":"FY","form":"10-K","filed":"2023-02-27","frame":"CY2021"},{"start":"2022-01-01","end":"2022-12-31","val":31448000,"accn":"0001711279-23-000008","fy":2021,"fp":"FY","form":"10-K","filed":"2023-02-27","frame":"CY2022"},{"start":"2023-01-01","end":"2023-12-31","val":39933000,"accn":"0001711279-26-000016","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-17","frame":"CY2023"},{"start":"2024-01-01","end":"2024-12-31","val":49127000,"accn":"0001711279-26-000016","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-17","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":13478000,"accn":"0001711279-26-000043","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-04","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-12-31","val":54514000,"accn":"0001711279-26-000016","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-17","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":13609000,"accn":"0001711279-26-000043","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-04","frame":"CY2026Q1"}]}}