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Net Income (loss) per Share - Schedule of loss per share and weighted average of common stock outstanding (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2023
Numerator [Abstract]    
Net income (loss) attributable to common stockholders - basic $ (7,098) $ (17,794)
Net income (loss) attributable to common stockholders - diluted $ (7,098) $ (17,794)
Denominator [Abstract]    
Weighted average common stock outstanding - basic 16,658,691 16,658,691
Weighted average common stock outstanding - diluted 16,658,691 16,658,691
Earnings per share, basic $ (0.43) $ (1.07)
Earnings per share, diluted (0.43) (1.07)
Bitcoin Depot Inc. [Member]    
Denominator [Abstract]    
Earnings per share, basic (0.43) (1.07)
Earnings per share, diluted $ (0.43) $ (1.07)