Stock Repurchase Program, Number of Shares Authorized to be Repurchased, Percentage of Shares Outstanding

No definition available.

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- 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

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Balance Type:	na
Period Type:	duration

- Definition

The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

+ References

No definition available.

+ Details

Name:	us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Period which shares may be purchased under a stock repurchase plan authorized by an entity's Board of Directors, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_StockRepurchaseProgramPeriodInForce1
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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Details

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- Details

Name:	us-gaap_ShareRepurchaseProgramAxis=bcml_April2023StockRepurchasePlanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ShareRepurchaseProgramAxis=bcml_Augest2023StockRepurchasePlanMember
Namespace Prefix:
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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Repurchase of Common Stock (Details) - shares		1 Months Ended
	Apr. 30, 2023	Aug. 31, 2023	Dec. 31, 2022
October 2022 stock repurchase plan
Equity, Class of Treasury Stock [Line Items]
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased			359,752
April 2023 Stock Repurchase Plan [Member]
Equity, Class of Treasury Stock [Line Items]
Stock Repurchase Program, Number of Shares Authorized to be Repurchased	619,000
Stock Repurchase Program, Number of Shares Authorized to be Repurchased, Percentage of Shares Outstanding	5.00%
Stock Repurchase Program, Period in Force	1 year
Augest 2023 Stock Repurchase Plan [Member]
Equity, Class of Treasury Stock [Line Items]
Stock Repurchase Program, Number of Shares Authorized to be Repurchased		588,000
Stock Repurchase Program, Number of Shares Authorized to be Repurchased, Percentage of Shares Outstanding		5.00%
Stock Repurchase Program, Period in Force		1 year