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Consolidated Statements of Operations (Parenthetical) - USD ($)	3 Months Ended	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2025	Sep. 30, 2024
Non-recurring fee income received		$ 300,000	$ 100,000
Maximum
Non-recurring fee income received	$ 100,000

X

- Definition

Non-recurring fee income received.

+ References

No definition available.

+ Details

Name:	bcic_NonRecurringFeeIncomeReceived
Namespace Prefix:	bcic_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: