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Revision of Previously Issued Financial Statements (Details)	9 Months Ended
	Sep. 30, 2021 USD ($) $ / shares
Revision of Previously Issued Financial Statements (Details) [Line Items]
Net tangible assets | $	$ 5,000,001
Class A Common Stock [Member]
Revision of Previously Issued Financial Statements (Details) [Line Items]
Redemption value per share | $ / shares	$ 10

X

- Definition

Net tangible assets.

+ References

No definition available.

+ Details

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Namespace Prefix:	gamc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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- References

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- Definition

Par value per share of mandatory redeemable financial instrument classified as liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=109262807&loc=d3e22094-110879

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