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Business Combination (Detail) - USD ($)
$ / shares in Units, $ in Thousands
Sep. 26, 2021
Jul. 16, 2021
Dec. 31, 2020
Business Acquisition [Line Items]      
Common Stock, Par or Stated Value Per Share $ 0.0001   $ 0.0001
Merger Agreement [Member] | Holley Parent Holdings LLC [Member]      
Business Acquisition [Line Items]      
Sale of Stock, Price Per Share   $ 10.00  
Subscription Agreement [Member] | PIPE Investors [Member]      
Business Acquisition [Line Items]      
Common stock shares subscribed but not issued   24,000,000  
Sale of Stock, Price Per Share   $ 10.00  
Common stock shares subscribed but not issued value   $ 240,000