| Document And Entity Information | Aug. 11, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K/A |
| Amendment Flag | true |
| Document Period End Date | Aug. 11, 2022 |
| Entity Registrant Name | Mister Car Wash, Inc. |
| Entity Central Index Key | 0001853513 |
| Entity Emerging Growth Company | true |
| Entity File Number | 001-40542 |
| Entity Incorporation, State or Country Code | DE |
| Entity Tax Identification Number | 47-1393909 |
| Entity Address, Address Line One | 222 E. 5th Street |
| Entity Address, City or Town | Tucson |
| Entity Address, State or Province | AZ |
| Entity Address, Postal Zip Code | 85705 |
| City Area Code | 520 |
| Local Phone Number | 615-4000 |
| Entity Information, Former Legal or Registered Name | N/A |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Ex Transition Period | false |
| Title of 12(b) Security | Common stock, par value $0.01 per share |
| Trading Symbol | MCW |
| Security Exchange Name | NYSE |
| Amendment Description | This Current Report on Form 8-K/A (this “Amended Form 8-K”) amends the Current Report on Form 8-K furnished by Mister Car Wash, Inc. (the “Company”) on August 11, 2022 (the “Original Form 8-K”). The purpose of this Amended Form 8-K is to correct certain typographical errors contained in the column for the Three Months Ended June 30, 2021 for the Income tax impact of stock award exercises in the table "GAAP to Non-GAAP Reconciliations” for the Reconciliation of net income to Adjusted Net Income and the resulting updates to Adjusted Net Income and to Diluted Adjusted Net Income per Share as reflected in the corrected press release furnished on Exhibit 99.1 hereto. |
