XML 101 R91.htm IDEA: XBRL DOCUMENT
v3.25.3

COMMITMENTS AND CONTINGENCIES - Other Assets (Details) - USD ($) | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Low Income Housing Tax Credit Partnerships |  |
COMMITMENTS AND CONTINGENCIES |  |
Other Commitment | $ 4,800,000 | $ 4,700,000
Small Business Investment Company |  |
COMMITMENTS AND CONTINGENCIES |  |
Other Commitment | $ 122,000 | $ 122,000

X
- Definition Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
Name: | us-gaap_OtherCommitment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_OtherCommitmentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_OtherCommitmentsAxis=bcml_LowIncomeHousingTaxCreditPartnershipsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_OtherCommitmentsAxis=bcml_SmallBusinessInvestmentCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |