XML 75 R62.htm IDEA: XBRL DOCUMENT
v3.22.4

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Loans and Leases (Details) | 12 Months Ended
--- | ---
Dec. 31, 2022
Financing Receivable, Past Due [Line Items] |
Threshold period past due for nonperforming status of financing receivables | 90 days
Single family residential mortgage |
Financing Receivable, Past Due [Line Items] |
Threshold period past due for write-off of financing receivable | 180 days
Commercial and industrial |
Financing Receivable, Past Due [Line Items] |
Threshold period past due for write-off of financing receivable | 90 days
Consumer loans |
Financing Receivable, Past Due [Line Items] |
Threshold period past due for write-off of financing receivable | 120 days

X
- Definition Threshold Period Past Due For Nonperforming Status Of Financing Receivables + References No definition available. + Details
Name: | banc_ThresholdPeriodPastDueForNonperformingStatusOfFinancingReceivables
Namespace Prefix: | banc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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_FinancingReceivableRecordedInvestmentPastDueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Threshold period for when financing receivable is considered past due to write off as uncollectible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 14 -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919253-210447 + Details
Name: | us-gaap_FinancingReceivableThresholdPeriodPastDueWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=banc_ConsumerSingleFamilyResidentialMortgageReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=banc_CommercialandIndustrialReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConsumerLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |