CONDENSED STATEMENTS OF CHANGES IN STOCKHOLDERS' DEFICIT (Parenthetical) - shares		3 Months Ended
Mar. 04, 2021	Mar. 31, 2021
Warrants Issued [Abstract]
Warrants issued (in shares)	22,625,000
Private Placement Warrants [Member]
Warrants Issued [Abstract]
Warrants issued (in shares)		8,250,000

Number of warrants or rights issued during the period.

No definition available.

Name:	arrw_ClassOfWarrantOrRightIssued
Namespace Prefix:	arrw_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration