{"cik":1730346,"taxonomy":"us-gaap","tag":"CommonStockValue","label":"Common Stock, Value, Issued","description":"Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.","entityName":"CHARAH SOLUTIONS, INC.","units":{"USD":[{"end":"2018-12-31","val":291000,"accn":"0001628280-19-006790","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-15"},{"end":"2018-12-31","val":291000,"accn":"0001628280-19-010761","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14"},{"end":"2018-12-31","val":291000,"accn":"0001730346-19-000012","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-13"},{"end":"2018-12-31","val":291000,"accn":"0001730346-20-000005","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-27","frame":"CY2018Q4I"},{"end":"2019-03-31","val":296000,"accn":"0001628280-19-006790","fy":2019,"fp":"Q1","form":"10-Q","filed":"2019-05-15","frame":"CY2019Q1I"},{"end":"2019-06-30","val":296000,"accn":"0001628280-19-010761","fy":2019,"fp":"Q2","form":"10-Q","filed":"2019-08-14","frame":"CY2019Q2I"},{"end":"2019-09-30","val":296000,"accn":"0001730346-19-000012","fy":2019,"fp":"Q3","form":"10-Q","filed":"2019-11-13","frame":"CY2019Q3I"},{"end":"2019-12-31","val":296000,"accn":"0001730346-20-000005","fy":2019,"fp":"FY","form":"10-K","filed":"2020-03-27"},{"end":"2019-12-31","val":296000,"accn":"0001730346-20-000011","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-12"},{"end":"2019-12-31","val":296000,"accn":"0001730346-20-000038","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-11"},{"end":"2019-12-31","val":296000,"accn":"0001730346-20-000047","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-10"},{"end":"2019-12-31","val":296000,"accn":"0001730346-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-24","frame":"CY2019Q4I"},{"end":"2020-03-31","val":296000,"accn":"0001730346-20-000011","fy":2020,"fp":"Q1","form":"10-Q","filed":"2020-05-12","frame":"CY2020Q1I"},{"end":"2020-06-30","val":300000,"accn":"0001730346-20-000038","fy":2020,"fp":"Q2","form":"10-Q","filed":"2020-08-11","frame":"CY2020Q2I"},{"end":"2020-09-30","val":300000,"accn":"0001730346-20-000047","fy":2020,"fp":"Q3","form":"10-Q","filed":"2020-11-10","frame":"CY2020Q3I"},{"end":"2020-12-31","val":300000,"accn":"0001730346-21-000014","fy":2020,"fp":"FY","form":"10-K","filed":"2021-03-24"},{"end":"2020-12-31","val":300000,"accn":"0001730346-21-000025","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-12"},{"end":"2020-12-31","val":300000,"accn":"0001730346-21-000052","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-09"},{"end":"2020-12-31","val":300000,"accn":"0001730346-21-000059","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10"},{"end":"2020-12-31","val":300000,"accn":"0001730346-22-000002","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-31","frame":"CY2020Q4I"},{"end":"2021-03-31","val":302000,"accn":"0001730346-21-000025","fy":2021,"fp":"Q1","form":"10-Q","filed":"2021-05-12","frame":"CY2021Q1I"},{"end":"2021-06-30","val":305000,"accn":"0001730346-21-000052","fy":2021,"fp":"Q2","form":"10-Q","filed":"2021-08-09","frame":"CY2021Q2I"},{"end":"2021-09-30","val":334000,"accn":"0001730346-21-000059","fy":2021,"fp":"Q3","form":"10-Q","filed":"2021-11-10","frame":"CY2021Q3I"},{"end":"2021-12-31","val":334000,"accn":"0001730346-22-000002","fy":2021,"fp":"FY","form":"10-K","filed":"2022-03-31"},{"end":"2021-12-31","val":334000,"accn":"0001730346-22-000017","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-10"},{"end":"2021-12-31","val":334000,"accn":"0001730346-22-000046","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-19"},{"end":"2021-12-31","val":334000,"accn":"0001730346-22-000076","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-15"},{"end":"2021-12-31","val":334000,"accn":"0001730346-23-000028","fy":2022,"fp":"FY","form":"10-K","filed":"2023-05-31","frame":"CY2021Q4I"},{"end":"2022-03-31","val":334000,"accn":"0001730346-22-000017","fy":2022,"fp":"Q1","form":"10-Q","filed":"2022-05-10","frame":"CY2022Q1I"},{"end":"2022-06-30","val":337000,"accn":"0001730346-22-000046","fy":2022,"fp":"Q2","form":"10-Q","filed":"2022-08-19","frame":"CY2022Q2I"},{"end":"2022-09-30","val":337000,"accn":"0001730346-22-000076","fy":2022,"fp":"Q3","form":"10-Q","filed":"2022-11-15","frame":"CY2022Q3I"},{"end":"2022-12-31","val":339000,"accn":"0001730346-23-000028","fy":2022,"fp":"FY","form":"10-K","filed":"2023-05-31"},{"end":"2022-12-31","val":339000,"accn":"0001730346-23-000030","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-06-30","frame":"CY2022Q4I"},{"end":"2023-03-31","val":339000,"accn":"0001730346-23-000030","fy":2023,"fp":"Q1","form":"10-Q","filed":"2023-06-30","frame":"CY2023Q1I"}]}}