Legal Proceedings (Details) - Claim		12 Months Ended
Jan. 30, 2023	Dec. 31, 2022
Legal Proceedings [Abstract]
Number of claims dismissed		3
Subsequent Event [Member]
Legal Proceedings [Abstract]
Number of counterclaims	2

Represents the number of dismissed claims whose dismissal was compelled by a prior decision.

No definition available.

Name:	abcp_LossContingencyClaimsDismissedNumberOfClaimsWhoseDismissalWasCompelledByPriorDecision
Namespace Prefix:	abcp_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration