{"cik":1514416,"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":"BANDWIDTH INC.","units":{"USD":[{"start":"2015-01-01","end":"2015-12-31","val":533000,"accn":"0001514416-18-000003","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26","frame":"CY2015"},{"start":"2016-01-01","end":"2016-09-30","val":3483000,"accn":"0001514416-17-000006","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-12-14"},{"start":"2016-01-01","end":"2016-12-31","val":4043000,"accn":"0001514416-18-000003","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2016-01-01","end":"2016-12-31","val":4043000,"accn":"0001514416-19-000011","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-15","frame":"CY2016"},{"start":"2017-01-01","end":"2017-03-31","val":166000,"accn":"0001514416-18-000006","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04","frame":"CY2017Q1"},{"start":"2017-01-01","end":"2017-06-30","val":130000,"accn":"0001514416-18-000014","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-03"},{"start":"2017-01-01","end":"2017-09-30","val":1864000,"accn":"0001514416-17-000006","fy":2017,"fp":"Q3","form":"10-Q","filed":"2017-12-14"},{"start":"2017-01-01","end":"2017-09-30","val":1864000,"accn":"0001514416-18-000022","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-01"},{"start":"2017-01-01","end":"2017-12-31","val":4387000,"accn":"0001514416-18-000003","fy":2017,"fp":"FY","form":"10-K","filed":"2018-02-26"},{"start":"2017-01-01","end":"2017-12-31","val":4387000,"accn":"0001514416-19-000011","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-15"},{"start":"2017-01-01","end":"2017-12-31","val":4387000,"accn":"0001514416-20-000027","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-21","frame":"CY2017"},{"start":"2018-01-01","end":"2018-03-31","val":3179000,"accn":"0001514416-18-000006","fy":2018,"fp":"Q1","form":"10-Q","filed":"2018-05-04"},{"start":"2018-01-01","end":"2018-03-31","val":3179000,"accn":"0001514416-19-000030","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-03","frame":"CY2018Q1"},{"start":"2018-01-01","end":"2018-06-30","val":1776000,"accn":"0001514416-18-000014","fy":2018,"fp":"Q2","form":"10-Q","filed":"2018-08-03"},{"start":"2018-01-01","end":"2018-06-30","val":1776000,"accn":"0001514416-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-02"},{"start":"2018-01-01","end":"2018-09-30","val":2555000,"accn":"0001514416-18-000022","fy":2018,"fp":"Q3","form":"10-Q","filed":"2018-11-01"},{"start":"2018-01-01","end":"2018-09-30","val":2555000,"accn":"0001514416-19-000055","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2018-01-01","end":"2018-12-31","val":2784000,"accn":"0001514416-19-000011","fy":2018,"fp":"FY","form":"10-K","filed":"2019-02-15"},{"start":"2018-01-01","end":"2018-12-31","val":2784000,"accn":"0001514416-20-000027","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-21"},{"start":"2018-01-01","end":"2018-12-31","val":2784000,"accn":"0001514416-21-000092","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-01","frame":"CY2018"},{"start":"2019-01-01","end":"2019-03-31","val":3889000,"accn":"0001514416-19-000030","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-03"},{"start":"2019-01-01","end":"2019-03-31","val":3889000,"accn":"0001514416-20-000107","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04","frame":"CY2019Q1"},{"start":"2019-01-01","end":"2019-06-30","val":2683000,"accn":"0001514416-19-000047","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-02"},{"start":"2019-01-01","end":"2019-06-30","val":2683000,"accn":"0001514416-20-000187","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-31"},{"start":"2019-01-01","end":"2019-09-30","val":5304000,"accn":"0001514416-19-000055","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-07"},{"start":"2019-01-01","end":"2019-09-30","val":5304000,"accn":"0001514416-20-000237","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-30"},{"start":"2019-01-01","end":"2019-12-31","val":6178000,"accn":"0001514416-20-000027","fy":2019,"fp":"FY","form":"10-K","filed":"2020-02-21"},{"start":"2019-01-01","end":"2019-12-31","val":6178000,"accn":"0001514416-21-000092","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-01"},{"start":"2019-01-01","end":"2019-12-31","val":6178000,"accn":"0001514416-22-000054","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-25","frame":"CY2019"},{"start":"2020-01-01","end":"2020-03-31","val":6899000,"accn":"0001514416-20-000107","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-04"},{"start":"2020-01-01","end":"2020-03-31","val":6899000,"accn":"0001514416-21-000167","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-07","frame":"CY2020Q1"},{"start":"2020-01-01","end":"2020-06-30","val":11609000,"accn":"0001514416-20-000187","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-07-31"},{"start":"2020-01-01","end":"2020-06-30","val":11609000,"accn":"0001514416-21-000236","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-06"},{"start":"2020-01-01","end":"2020-09-30","val":16218000,"accn":"0001514416-20-000237","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-10-30"},{"start":"2020-01-01","end":"2020-09-30","val":16218000,"accn":"0001514416-21-000300","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-09"},{"start":"2020-01-01","end":"2020-12-31","val":18832000,"accn":"0001514416-21-000092","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-01"},{"start":"2020-01-01","end":"2020-12-31","val":18832000,"accn":"0001514416-22-000054","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-25"},{"start":"2020-01-01","end":"2020-12-31","val":18832000,"accn":"0001514416-23-000048","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-23","frame":"CY2020"},{"start":"2021-01-01","end":"2021-03-31","val":-3530000,"accn":"0001514416-21-000167","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-07"},{"start":"2021-01-01","end":"2021-03-31","val":-3530000,"accn":"0001514416-22-000101","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-06","frame":"CY2021Q1"},{"start":"2021-01-01","end":"2021-06-30","val":8159000,"accn":"0001514416-21-000236","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-06"},{"start":"2021-01-01","end":"2021-06-30","val":8159000,"accn":"0001514416-22-000153","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2021-01-01","end":"2021-09-30","val":20610000,"accn":"0001514416-21-000300","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-09"},{"start":"2021-01-01","end":"2021-09-30","val":20610000,"accn":"0001514416-22-000204","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-02"},{"start":"2021-01-01","end":"2021-12-31","val":6711000,"accn":"0001514416-22-000054","fy":2021,"fp":"FY","form":"10-K","filed":"2022-02-25"},{"start":"2021-01-01","end":"2021-12-31","val":6711000,"accn":"0001514416-23-000048","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-23"},{"start":"2021-01-01","end":"2021-12-31","val":6711000,"accn":"0001514416-24-000024","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-28","frame":"CY2021"},{"start":"2022-01-01","end":"2022-03-31","val":7416000,"accn":"0001514416-22-000101","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-06"},{"start":"2022-01-01","end":"2022-03-31","val":7416000,"accn":"0001514416-23-000089","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-03","frame":"CY2022Q1"},{"start":"2022-01-01","end":"2022-06-30","val":16672000,"accn":"0001514416-22-000153","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-04"},{"start":"2022-01-01","end":"2022-06-30","val":16672000,"accn":"0001514416-23-000123","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-08-03"},{"start":"2022-01-01","end":"2022-09-30","val":18311000,"accn":"0001514416-22-000204","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-02"},{"start":"2022-01-01","end":"2022-09-30","val":18311000,"accn":"0001514416-23-000151","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-11-02"},{"start":"2022-01-01","end":"2022-12-31","val":13341000,"accn":"0001514416-23-000048","fy":2022,"fp":"FY","form":"10-K","filed":"2023-02-23"},{"start":"2022-01-01","end":"2022-12-31","val":13341000,"accn":"0001514416-24-000024","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-28"},{"start":"2022-01-01","end":"2022-12-31","val":13341000,"accn":"0001514416-25-000024","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-20","frame":"CY2022"},{"start":"2023-01-01","end":"2023-03-31","val":-11335000,"accn":"0001514416-23-000089","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-05-03"},{"start":"2023-01-01","end":"2023-03-31","val":-11335000,"accn":"0001514416-24-000083","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-05-07","frame":"CY2023Q1"},{"start":"2023-01-01","end":"2023-06-30","val":-3712000,"accn":"0001514416-23-000123","fy":2023,"fp":"Q2","form":"10-Q","filed":"2023-08-03"},{"start":"2023-01-01","end":"2023-06-30","val":-3712000,"accn":"0001514416-24-000140","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-08-01"},{"start":"2023-01-01","end":"2023-09-30","val":654000,"accn":"0001514416-23-000151","fy":2023,"fp":"Q3","form":"10-Q","filed":"2023-11-02"},{"start":"2023-01-01","end":"2023-09-30","val":654000,"accn":"0001514416-24-000173","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-31"},{"start":"2023-01-01","end":"2023-12-31","val":3454000,"accn":"0001514416-24-000024","fy":2023,"fp":"FY","form":"10-K","filed":"2024-02-28"},{"start":"2023-01-01","end":"2023-12-31","val":3454000,"accn":"0001514416-25-000024","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-20"},{"start":"2023-01-01","end":"2023-12-31","val":3454000,"accn":"0001514416-26-000017","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-19","frame":"CY2023"},{"start":"2024-01-01","end":"2024-03-31","val":11464000,"accn":"0001514416-24-000083","fy":2024,"fp":"Q1","form":"10-Q","filed":"2024-05-07"},{"start":"2024-01-01","end":"2024-03-31","val":11464000,"accn":"0001514416-25-000072","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-05-07","frame":"CY2024Q1"},{"start":"2024-01-01","end":"2024-06-30","val":7642000,"accn":"0001514416-24-000140","fy":2024,"fp":"Q2","form":"10-Q","filed":"2024-08-01"},{"start":"2024-01-01","end":"2024-06-30","val":7642000,"accn":"0001514416-25-000111","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-29"},{"start":"2024-01-01","end":"2024-09-30","val":21318000,"accn":"0001514416-24-000173","fy":2024,"fp":"Q3","form":"10-Q","filed":"2024-10-31"},{"start":"2024-01-01","end":"2024-09-30","val":21318000,"accn":"0001514416-25-000121","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-30"},{"start":"2024-01-01","end":"2024-12-31","val":8725000,"accn":"0001514416-25-000024","fy":2024,"fp":"FY","form":"10-K","filed":"2025-02-20"},{"start":"2024-01-01","end":"2024-12-31","val":8725000,"accn":"0001514416-26-000017","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-19","frame":"CY2024"},{"start":"2025-01-01","end":"2025-03-31","val":253000,"accn":"0001514416-25-000072","fy":2025,"fp":"Q1","form":"10-Q","filed":"2025-05-07"},{"start":"2025-01-01","end":"2025-03-31","val":253000,"accn":"0001514416-26-000035","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-30","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-06-30","val":1763000,"accn":"0001514416-25-000111","fy":2025,"fp":"Q2","form":"10-Q","filed":"2025-07-29"},{"start":"2025-01-01","end":"2025-09-30","val":5930000,"accn":"0001514416-25-000121","fy":2025,"fp":"Q3","form":"10-Q","filed":"2025-10-30"},{"start":"2025-01-01","end":"2025-12-31","val":3956000,"accn":"0001514416-26-000017","fy":2025,"fp":"FY","form":"10-K","filed":"2026-02-19","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":9991000,"accn":"0001514416-26-000035","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-04-30","frame":"CY2026Q1"}]}}