Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Detail)		3 Months Ended		6 Months Ended
	Jun. 30, 2023 shares	Mar. 31, 2024 USD ($) Segment $ / shares shares	Mar. 31, 2023 USD ($)	Jun. 30, 2023 shares	Dec. 31, 2023 USD ($) shares
Property, Plant and Equipment [Line Items]
Cash In Transit | $		$ 6,300,000			$ 5,300,000
Depreciation | $		2,600,000	$ 2,400,000
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		16,616,864
Weighted average common stock outstanding - diluted		16,616,864
Class of Warrant or Right, Outstanding		43,848,750
Public Warrants [Member]
Property, Plant and Equipment [Line Items]
Class of Warrant or Right, Outstanding		31,625,000
Private Warrants [Member]
Property, Plant and Equipment [Line Items]
Class of Warrant or Right, Outstanding		12,223,750
BT Hold Co [Member]
Property, Plant and Equipment [Line Items]
Additional earnout shares issuable		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
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
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
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
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
Common Unit, Outstanding	12,358,691			12,358,691
Limited Liability Company (LLC) Preferred Unit, Outstanding	4,300,000			4,300,000
Class of Warrant or Right, Outstanding	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
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
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
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		13,531,071			13,482,047
Class A Common Stock [Member] | Sponsor [Member] | GSRM [Member]
Property, Plant and Equipment [Line Items]
Earnout shares issuable		1,075,761
Series A Preferred Stock [Member]
Property, Plant and Equipment [Line Items]
Preferred stock, shares outstanding		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
Selling, General and Administrative Expenses [Member]
Property, Plant and Equipment [Line Items]
Advertising expenses | $		$ 1,700,000	$ 1,200,000
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 | $		$ 13,700,000			$ 12,200,000
Cryptocurrency Exchanges [Member]
Property, Plant and Equipment [Line Items]
Cash | $		$ 100,000			$ 100,000
Intuitive Software LLC [Member]
Property, Plant and Equipment [Line Items]
Equity method investment, ownership percentage		82.14%