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Business Combination and Acquisitions Business Combination - Summary of reconciles elements of business combination to cash flows (Details) - USD ($) $ in Thousands				9 Months Ended
	Jul. 16, 2021	Nov. 16, 2020	Nov. 11, 2020	Sep. 26, 2021
Business Acquisition [Line Items]
Cash - Empowers trust and cash (net of redemptions of $99,353 and transaction costs of $44,314)				$ 107,042
Cash - Forward Purchase Agreement				50,000
Cash - PIPE Financing				240,000
Net cash provided by Business Combination and PIPE Financing				397,042
Less: cash consideration paid to Holley Stockholder	$ (264,718)	$ (110,209)	$ (47,104)	(264,718)
Net contributions from Business Combination and PIPE Financing				$ 132,324

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- Definition

Net cash proceeds from business combination and PIPE Financing.

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Net contributions from business combination and PIPE financing.

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- Definition

Proceeds from forward purchase agreement.

+ References

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Proceeds from PIPE financing.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3179-108585

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585

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