XML 70 R56.htm IDEA: XBRL DOCUMENT
v3.21.1

ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Interest Bearing Deposits in Banks (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019
ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES |  |
Interest bearing deposits in banks | $ 7,718 | $ 1,739
Interest bearing deposits in banks, yield (as a percent) | 2.54% | 1.99%
Interest bearing deposits in banks, term, low end of range | 1 year |
Interest bearing deposits in banks, term, high end of range | 6 years |

X
- Definition Interest Bearing Deposits in Banks, Separate from Cash and Cash Equivalents + References No definition available. + Details
Name: | bcml_InterestBearingDepositsInBanksSeparateFromCashAndCashEquivalents
Namespace Prefix: | bcml_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Interest Bearing Deposits in Banks, Separate from Cash and Cash Equivalents, Term, High End of Range + References No definition available. + Details
Name: | bcml_InterestBearingDepositsInBanksSeparateFromCashAndCashEquivalentsTermHighEndOfRange
Namespace Prefix: | bcml_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Interest Bearing Deposits in Banks, Separate from Cash and Cash Equivalents, Term, Low End of Range + References No definition available. + Details
Name: | bcml_InterestBearingDepositsInBanksSeparateFromCashAndCashEquivalentsTermLowEndOfRange
Namespace Prefix: | bcml_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Interest Bearing Deposits in Banks, Separate from Cash and Cash Equivalents, Yield, Percentage + References No definition available. + Details
Name: | bcml_InterestBearingDepositsInBanksSeparateFromCashAndCashEquivalentsYieldPercentage
Namespace Prefix: | bcml_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration