STATEMENT OF CHANGES IN STOCKHOLDERS' DEFICIT (Parenthetical)	Dec. 11, 2020 shares
Private Placement Units [Member]
Stockholders' Deficit
Units issued (in shares)	2,500,000

Number of new units issued during the period. Each unit consists of one share of Class A common stock, $0.0001 par value, and one-half of one redeemable warrant.

No definition available.

Name:	hmco_UnitsIssuedDuringPeriodSharesNewIssues
Namespace Prefix:	hmco_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration