Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Detail)		3 Months Ended		6 Months Ended
	Jun. 30, 2023 shares	Jun. 30, 2024 USD ($) shares	Jun. 30, 2023 USD ($) shares	Jun. 30, 2024 USD ($) Segment $ / shares shares	Jun. 30, 2023 USD ($) shares	Dec. 31, 2023 USD ($) shares
Property, Plant and Equipment [Line Items]
Cash In Transit | $		$ 5,800,000		$ 5,800,000		$ 5,300,000
Cryptocurrencies | $		600,000		600,000		$ 712,000
Depreciation | $		$ 2,600,000	$ 3,100,000	5,200,000	$ 5,500,000
Impairment of long lived assets held for use | $				0	0
Impairment of goodwill | $				0	$ 0
Federal income tax expense benefit | $				$ 0
Number of operating segments | Segment				1
Number of reporting segments | Segment				1
Weighted average common stock outstanding - basic		19,432,011	16,658,691	18,016,761	16,658,691
Weighted average common stock outstanding - diluted		19,432,011	16,658,691	18,016,761	16,658,691
Class of Warrant or Right, Outstanding		43,848,750		43,848,750
Bitcoin [Member]
Property, Plant and Equipment [Line Items]
Cryptocurrencies | $		$ 100,000		$ 100,000
Public Warrants [Member]
Property, Plant and Equipment [Line Items]
Class of Warrant or Right, Outstanding		31,625,000		31,625,000
Private Warrants [Member]
Property, Plant and Equipment [Line Items]
Class of Warrant or Right, Outstanding		12,223,750		12,223,750
BT Hold Co [Member]
Property, Plant and Equipment [Line Items]
Additional earnout shares issuable		15,000,000		15,000,000
GSRM [Member]
Property, Plant and Equipment [Line Items]
Class of warrants or rights assumed in the course of business combination		43,848,750		43,848,750
GSRM [Member] | Public Warrants [Member]
Property, Plant and Equipment [Line Items]
Class of warrants or rights assumed in the course of business combination		31,625,000		31,625,000
GSRM [Member] | Private Warrants [Member]
Property, Plant and Equipment [Line Items]
Class of warrants or rights assumed in the course of business combination		12,223,750		12,223,750
Bt Assets [Member]
Property, Plant and Equipment [Line Items]
Number of shares issued	44,100,000
Bt Assets [Member] | Founder Preferred Stock [Member]
Property, Plant and Equipment [Line Items]
Limited Liability Company (LLC) Preferred Unit, Outstanding	2,900,000		2,900,000		2,900,000
Bt Assets [Member] | Class 1 Earnout Units [Member]
Property, Plant and Equipment [Line Items]
Earnout Unit Outstanding					5,000,000
Bt Assets [Member] | Class 2 Earnout Units [Member]
Property, Plant and Equipment [Line Items]
Earnout Unit Outstanding					5,000,000
Bt Assets [Member] | Class 3 Earnout Units [Member]
Property, Plant and Equipment [Line Items]
Earnout Unit Outstanding					5,000,000
Bitcoin Depot Inc. [Member]
Property, Plant and Equipment [Line Items]
Common unit, issued	12,358,691		12,358,691		12,358,691
Common Unit, Outstanding	12,358,691		12,358,691		12,358,691
Limited Liability Company (LLC) Preferred Unit, Outstanding	4,300,000		4,300,000		4,300,000
Class of Warrant or Right, Outstanding	43,848,750		43,848,750		43,848,750
Class E One Common Stock [Member] | Sponsor [Member] | GSRM [Member]
Property, Plant and Equipment [Line Items]
Earnout shares issuable		358,587		358,587
Period post merger during which the stock price is determined				7 years
Minimum stock price triggering earnout share issue | $ / shares				$ 12
Threshold number of trading days for determining the share price				10 days
Threshold number of consecutive trading days for determining the share price				20 days
Class E Two Common Stock [Member] | Sponsor [Member] | GSRM [Member]
Property, Plant and Equipment [Line Items]
Earnout shares issuable		358,587		358,587
Period post merger during which the stock price is determined				7 years
Minimum stock price triggering earnout share issue | $ / shares				$ 14
Threshold number of trading days for determining the share price				10 days
Threshold number of consecutive trading days for determining the share price				20 days
Class E Three Common Stock [Member] | Sponsor [Member] | GSRM [Member]
Property, Plant and Equipment [Line Items]
Earnout shares issuable		358,587		358,587
Period post merger during which the stock price is determined				10 years
Minimum stock price triggering earnout share issue | $ / shares				$ 16
Threshold number of trading days for determining the share price				10 days
Threshold number of consecutive trading days for determining the share price				20 days
Class A Common Stock [Member]
Property, Plant and Equipment [Line Items]
Common stock, shares outstanding		17,155,235		17,155,235		13,482,047
Class A Common Stock [Member] | Sponsor [Member] | GSRM [Member]
Property, Plant and Equipment [Line Items]
Earnout shares issuable		1,075,761		1,075,761
Series A Preferred Stock [Member]
Property, Plant and Equipment [Line Items]
Preferred stock, shares outstanding		3,075,000		3,075,000		3,125,000
Common Stock [Member] | Bitcoin Depot Inc. [Member]
Property, Plant and Equipment [Line Items]
Common Unit, Outstanding	41,200,000		41,200,000		41,200,000
Selling, General and Administrative Expenses [Member]
Property, Plant and Equipment [Line Items]
Advertising expenses | $		$ 1,600,000	$ 1,500,000	$ 3,300,000	$ 2,600,000
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | No Major Customer [Member]
Property, Plant and Equipment [Line Items]
Concentration risk percentage				10.00%	10.00%
Bitcoin Teller Machine [Member]
Property, Plant and Equipment [Line Items]
Cash balances | $		12,500,000		$ 12,500,000		$ 12,200,000
Cryptocurrency Exchanges [Member]
Property, Plant and Equipment [Line Items]
Cash balances | $		$ 100,000		$ 100,000		$ 100,000
Intuitive Software LLC [Member]
Property, Plant and Equipment [Line Items]
Equity method investment, ownership percentage		82.14%		82.14%