XML 89 R72.htm IDEA: XBRL DOCUMENT v3.19.2

LOANS AND ALLOWANCE FOR LOAN LOSSES - Troubled Debt Restructurings Additional Information (Details) $ in Millions	6 Months Ended
	Jun. 30, 2019 USD ($) loan	Jun. 30, 2018 loan	Dec. 31, 2018 USD ($)
Receivables [Abstract]
Accruing TDRs	$ 20.2		$ 5.7
Nonaccruing TDRs	$ 2.4		$ 2.3
Number of loans modified that had payments default during the period | loan	0	0

X

- Definition

Financing Receivable, Modifications, Recorded Investment, Accrual Status

+ References

No definition available.

+ Details

Name:	banc_FinancingReceivableModificationsRecordedInvestmentAccrualStatus
Namespace Prefix:	banc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Financing Receivable, Modifications, Recorded Investment, Nonaccrual Status

+ References

No definition available.

+ Details

Name:	banc_FinancingReceivableModificationsRecordedInvestmentNonaccrualStatus
Namespace Prefix:	banc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Number of financing receivable contracts modified as troubled debt restructuring within previous 12 months, with subsequent payment default.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953682-111524

+ Details

Name:	us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_ReceivablesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration