CONDENSED STATEMENTS OF OPERATIONS (Parenthetical)	Sep. 30, 2021 shares
Class B Non-redeemable Common Stock [Member]
Weighted Average Number of Shares Outstanding [Abstract]
Number of shares subject to forfeiture (in shares)	937,500

Number of common stock shares subject to forfeiture in the event of the over-allotment option was not exercised by the underwriters.

No definition available.

Name:	hori_CommonStockSharesSubjectToForfeiture
Namespace Prefix:	hori_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant