Noncontrolling Interest - Narrative (Details)	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2026
Noncontrolling Interest [Abstract]
Common stock to LLC unit ratio	1	1
Weighted average ownership percentage (as a percent)	0.576	0.604

Noncontrolling Interest, Ownership Percentage By Noncontrolling Owners, Weighted Average

No definition available.

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Namespace Prefix:	brcb_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration