XML 90 R79.htm IDEA: XBRL DOCUMENT v3.20.2

Note 14 - Related Party Transactions (Details Textual) - USD ($)	Sep. 30, 2020	Dec. 31, 2019
Executive Officers, Directors and their Related Interests [Member]
Unfunded Loan Commitments, Available To Related Parties	$ 11,400,000	$ 0
Principal Officers, Directors and their Affiliates [Member]
Related Party Deposit Liabilities	$ 53.8	$ 84,600,000

X

- Definition

Represents available to related parties for unfunded loan commitments.

+ References

No definition available.

+ Details

Name:	rbb_UnfundedLoanCommitmentsAvailableToRelatedParties
Namespace Prefix:	rbb_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount of deposits held by the entity for a related party (entity, shareholder, employee).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(k))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(k)(1))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

+ Details

Name:	us-gaap_RelatedPartyDepositLiabilities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=rbb_ExecutiveOfficersDirectorsAndTheirRelatedInterestsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=rbb_PrincipalOfficersDirectorsAndTheirAffiliatesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: