{"cik":1681087,"taxonomy":"us-gaap","tag":"EarningsPerShareBasicAndDiluted","label":"Earnings Per Share, Basic and Diluted","description":"The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.","entityName":"TECTONIC THERAPEUTIC, INC.","units":{"USD/shares":[{"start":"2017-01-01","end":"2017-06-30","val":-2.12,"accn":"0001193125-18-243527","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2017-04-01","end":"2017-06-30","val":-1.15,"accn":"0001193125-18-243527","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09","frame":"CY2017Q2"},{"start":"2017-01-01","end":"2017-09-30","val":-5.01,"accn":"0001193125-18-325511","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-13"},{"start":"2017-06-24","end":"2017-09-30","val":-2.85,"accn":"0001193125-18-325511","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-13","frame":"CY2017Q3"},{"start":"2017-01-01","end":"2017-12-31","val":-8.38,"accn":"0001193125-19-085321","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-25","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":-4.51,"accn":"0001193125-19-145337","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-13","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":-7.16,"accn":"0001193125-18-243527","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-01-01","end":"2018-06-30","val":-7.16,"accn":"0001564590-19-030417","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2018-04-01","end":"2018-06-30","val":-2.98,"accn":"0001193125-18-243527","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-09"},{"start":"2018-04-01","end":"2018-06-30","val":-2.98,"accn":"0001564590-19-030417","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08","frame":"CY2018Q2"},{"start":"2018-01-01","end":"2018-09-30","val":-3.28,"accn":"0001193125-18-325511","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-13"},{"start":"2018-01-01","end":"2018-09-30","val":-3.28,"accn":"0001564590-19-041704","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-06-26","end":"2018-09-30","val":-0.49,"accn":"0001193125-18-325511","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-13"},{"start":"2018-07-01","end":"2018-09-30","val":-0.49,"accn":"0001564590-19-041704","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07","frame":"CY2018Q3"},{"start":"2018-01-01","end":"2018-12-31","val":-3.62,"accn":"0001193125-19-085321","fy":2018,"fp":"FY","form":"10-K","filed":"2019-03-25"},{"start":"2018-01-01","end":"2018-12-31","val":-3.62,"accn":"0001564590-20-011144","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":-0.72,"accn":"0001193125-19-145337","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-13"},{"start":"2019-01-01","end":"2019-03-31","val":-0.72,"accn":"0001564590-20-022815","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":-1.38,"accn":"0001564590-19-030417","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-01-01","end":"2019-06-30","val":-1.38,"accn":"0001564590-20-037237","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2019-04-01","end":"2019-06-30","val":-0.67,"accn":"0001564590-19-030417","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-08"},{"start":"2019-04-01","end":"2019-06-30","val":-0.67,"accn":"0001564590-20-037237","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06","frame":"CY2019Q2"},{"start":"2019-01-01","end":"2019-09-30","val":-1.93,"accn":"0001564590-19-041704","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":-1.93,"accn":"0001564590-20-051456","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2019-07-01","end":"2019-09-30","val":-0.57,"accn":"0001564590-19-041704","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-07-01","end":"2019-09-30","val":-0.57,"accn":"0001564590-20-051456","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05","frame":"CY2019Q3"},{"start":"2019-01-01","end":"2019-12-31","val":-2.66,"accn":"0001564590-20-011144","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-16"},{"start":"2019-01-01","end":"2019-12-31","val":-2.66,"accn":"0001564590-21-014190","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-18","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":-0.77,"accn":"0001564590-20-022815","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-07"},{"start":"2020-01-01","end":"2020-03-31","val":-0.77,"accn":"0001564590-21-027619","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":-1.57,"accn":"0001564590-20-037237","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-01-01","end":"2020-06-30","val":-1.57,"accn":"0001564590-21-041725","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2020-04-01","end":"2020-06-30","val":-0.8,"accn":"0001564590-20-037237","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-06"},{"start":"2020-04-01","end":"2020-06-30","val":-0.8,"accn":"0001564590-21-041725","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2020Q2"},{"start":"2020-01-01","end":"2020-09-30","val":-2.59,"accn":"0001564590-20-051456","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-01-01","end":"2020-09-30","val":-2.59,"accn":"0001564590-21-054522","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2020-07-01","end":"2020-09-30","val":-1.01,"accn":"0001564590-20-051456","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-05"},{"start":"2020-07-01","end":"2020-09-30","val":-1.01,"accn":"0001564590-21-054522","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2020Q3"},{"start":"2020-01-01","end":"2020-12-31","val":-3.31,"accn":"0001564590-21-014190","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-18"},{"start":"2020-01-01","end":"2020-12-31","val":-3.31,"accn":"0001564590-22-010895","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-17","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-0.65,"accn":"0001564590-21-027619","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-13"},{"start":"2021-01-01","end":"2021-03-31","val":-0.65,"accn":"0001564590-22-019306","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-10","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":-1.39,"accn":"0001564590-21-041725","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05"},{"start":"2021-04-01","end":"2021-06-30","val":-0.74,"accn":"0001564590-21-041725","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-05","frame":"CY2021Q2"},{"start":"2021-01-01","end":"2021-09-30","val":-2.13,"accn":"0001564590-21-054522","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04"},{"start":"2021-07-01","end":"2021-09-30","val":-0.75,"accn":"0001564590-21-054522","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-04","frame":"CY2021Q3"},{"start":"2021-01-01","end":"2021-12-31","val":-2.78,"accn":"0001564590-22-010895","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-17","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":-0.68,"accn":"0001564590-22-019306","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-10","frame":"CY2022Q1"}]}}