v3.26.1
Noncontrolling Interest - Schedule of Changes in Ownership (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Noncontrolling Interest [Abstract]        
Net income attributable to Black Rock Coffee Bar, Inc. $ 1,218 $ 0 $ 1,596 $ 0
Transfers from the noncontrolling interest        
Increase in additional paid-in capital as a result of the redemption of LLC Units 7,932   8,930  
Increase in additional paid-in capital as a result of common stock issuances pursuant to vesting of equity awards 18   18  
Change from net income attributable to Black Rock Coffee Bar, Inc. and transfers from noncontrolling interest $ 9,168   $ 10,544