{"cik":1774155,"taxonomy":"us-gaap","tag":"ContractWithCustomerLiabilityCurrent","label":"Contract with Customer, Liability, Current","description":"Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.","entityName":"BTRS HOLDINGS INC.","units":{"USD":[{"end":"2020-12-31","val":14895000,"accn":"0001774155-21-000029","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-14"},{"end":"2020-12-31","val":14895000,"accn":"0001774155-21-000062","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12"},{"end":"2020-12-31","val":14895000,"accn":"0001774155-21-000095","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":14895000,"accn":"0001774155-22-000033","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-09","frame":"CY2020Q4I"},{"end":"2021-03-31","val":11311000,"accn":"0001774155-21-000029","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-14","frame":"CY2021Q1I"},{"end":"2021-06-30","val":8012000,"accn":"0001774155-21-000062","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-12","frame":"CY2021Q2I"},{"end":"2021-09-30","val":6263000,"accn":"0001774155-21-000095","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":16890000,"accn":"0001774155-22-000033","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-09"},{"end":"2021-12-31","val":24983000,"accn":"0001774155-22-000064","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-10"},{"end":"2021-12-31","val":24983000,"accn":"0001774155-22-000102","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-09"},{"end":"2021-12-31","val":24983000,"accn":"0001774155-22-000129","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-07","frame":"CY2021Q4I"},{"end":"2022-03-31","val":24556000,"accn":"0001774155-22-000064","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-10","frame":"CY2022Q1I"},{"end":"2022-06-30","val":24958000,"accn":"0001774155-22-000102","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-09","frame":"CY2022Q2I"},{"end":"2022-09-30","val":27093000,"accn":"0001774155-22-000129","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-07","frame":"CY2022Q3I"}]}}