| Cover | Oct. 07, 2020 |
| Document Information [Line Items] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Oct. 7, 2020 |
| Entity File Number | 1-16097 |
| Entity Registrant Name | Tailored Brands, Inc. |
| Entity Central Index Key | 0000884217 |
| Entity Tax Identification Number | 47-4908760 |
| Entity Incorporation, State or Country Code | TX |
| Entity Address, Address Line One | 6380 Rogerdale Road |
| Entity Address, City or Town | Houston |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 77072 |
| City Area Code | 281 |
| Local Phone Number | 776-7000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Common Stock [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Common Stock, par value $.01 per share |
| Trading Symbol | * |
| Security Exchange Name | NONE |
| Preferred Stock Purchase Rights [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Preferred Stock Purchase Rights |
| Trading Symbol | * |
| Security Exchange Name | NONE |
