| Cover | Nov. 15, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Nov. 15, 2021 |
| Entity Registrant Name | THOUGHTWORKS HOLDING, INC. |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-40812 |
| Entity Tax Identification Number | 82-2668392 |
| Entity Address, Address Line One | 200 East Randolph Street, 25th Floor |
| Entity Address, City or Town | Chicago |
| Entity Address, State or Province | IL |
| Entity Address, Postal Zip Code | 60601 |
| City Area Code | 312 |
| Local Phone Number | 373-1000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, $0.001 par value |
| Trading Symbol | TWKS |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | true |
| Entity Central Index Key | 0001866550 |
| Entity Ex Transition Period | false |
| Amendment Flag | false |
