Mister Car Wash Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Summary of Weighted-Average Grant Date Fair Value Of Stock Options (Details) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Non-vested as of December 31, 2021	0
Number of Shares, Granted	3,957,566
Granted during the period	$ 5.12	$ 0.68	$ 1.10
Time Vesting Options
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Non-vested as of December 31, 2020	3,450,607
Non-vested as of December 31, 2021	5,266,469	3,450,607
Number of Shares, Granted	3,209,630
Vested during the period	1,337,992
Forfeited/canceled during the period	60,968
Weighted average non-vested exercise price as of December 31, 2020	$ 0.96
Weighted average non-vested exercise price as of December 31, 2021	3.45	$ 0.96
Granted during the period	5.12
Vested during the period	0.86
Forfeited/canceled during the period	$ 1.24
Performance Vesting Options
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Non-vested as of December 31, 2020	13,341,504
Non-vested as of December 31, 2021		13,341,504
Number of Shares, Granted	747,936
Vested during the period	14,052,288
Forfeited/canceled during the period	37,152
Weighted average non-vested exercise price as of December 31, 2020	$ 0.59
Weighted average non-vested exercise price as of December 31, 2021	0	$ 0.59
Granted during the period	2.26
Vested during the period	14.37
Forfeited/canceled during the period	$ 1.27