COMMITMENTS AND CONTINGENCIES - Registration Rights (Details)	6 Months Ended
Jun. 30, 2026 item
COMMITMENTS AND CONTINGENCIES
Number of demands that holders are entitled	3

Represents the maximum number of demands that securities holders are entitled to make in the Registration Rights.

No definition available.

Name:	sbxd_RegistrationOfRightsSecuritiesHoldersMaximumNumberOfDemandsEntitled
Namespace Prefix:	sbxd_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration