XML 61 R50.htm IDEA: XBRL DOCUMENT v3.10.0.1

LOANS (Details 3) - Troubled Debt Restructurings [Member] $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2018 USD ($)	Dec. 31, 2017 USD ($)
Number of Loans	3	4
Rate Modification	$ 0	$ 0
Term Modification	129	238
Interest Only Modification	0	0
Rate & Term Modification	787	807
Total	$ 916	$ 1,045
Consumer [Member]
Number of Loans	0	0
Rate Modification	$ 0	$ 0
Term Modification	0	0
Interest Only Modification	0	0
Rate & Term Modification	0	0
Total	$ 0	$ 0
Commercial real estate [Member]
Number of Loans	1	3
Rate Modification	$ 0	$ 0
Term Modification	0	238
Interest Only Modification	0	0
Rate & Term Modification	776	794
Total	$ 776	$ 1,032
Residential [Member]
Number of Loans	1	0
Rate Modification	$ 0	$ 0
Term Modification	129	0
Interest Only Modification	0	0
Rate & Term Modification	0	0
Total	$ 129	$ 0
Commercial and industrial [Member]
Number of Loans	1	1
Rate Modification	$ 0	$ 0
Term Modification	0	0
Interest Only Modification	0	0
Rate & Term Modification	11	13
Total	$ 11	$ 13
Construction and land [Member]
Number of Loans	0	0
Rate Modification	$ 0	$ 0
Term Modification	0	0
Interest Only Modification	0	0
Rate & Term Modification	0	0
Total	$ 0	$ 0

X

- Definition

Interest rate of financing receivables that have been modified by troubled debt restructurings.

+ References

No definition available.

+ Details

Name:	bcml_FinancingReceivableModificationsInterestOnly
Namespace Prefix:	bcml_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Rate of financing receivables that have been modified by troubled debt restructurings.

+ References

No definition available.

+ Details

Name:	bcml_FinancingReceivableModificationsRate
Namespace Prefix:	bcml_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Rate and term of financing receivables that have been modified by troubled debt restructurings.

+ References

No definition available.

+ Details

Name:	bcml_FinancingReceivableModificationsRateAndTerm
Namespace Prefix:	bcml_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Term of financing receivables that have been modified by troubled debt restructurings.

+ References

No definition available.

+ Details

Name:	bcml_FinancingReceivableModificationsTerm
Namespace Prefix:	bcml_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Total of financing receivables that have been modified by troubled debt restructurings.

+ References

No definition available.

+ Details

Name:	bcml_FinancingReceivableModificationsTotal
Namespace Prefix:	bcml_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524

+ Details

Name:	us-gaap_FinancingReceivableModificationsNumberOfContracts2
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_TroubledDebtRestructuringDebtorCurrentPeriodAxis=bcml_FinancingReceivablesTroubledDebtRestructuringMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_ConsumerLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CollateralAxis=us-gaap_CommercialRealEstateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CollateralAxis=us-gaap_ResidentialRealEstateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_EquitySecuritiesByIndustryAxis=us-gaap_CommercialAndIndustrialSectorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_EquitySecuritiesByIndustryAxis=bcml_ConstructionAndLandMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: