XML 90 R79.htm IDEA: XBRL DOCUMENT
v3.7.0.1

LOANS AND LEASES AND ALLOWANCE FOR LOAN AND LEASE LOSSES - Allowance for Loan and Lease Losses and Recorded Investment Excluding Accrued Interest in Loans (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Dec. 31, 2016 | Jun. 30, 2016
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period | $ 42,736 | $ 35,845 | $ 40,444 | $ 35,533 |  |  |
Charge-offs | (2,898) | (772) | (3,255) | (874) |  |  |
Recoveries | 44 | 641 | 110 | 734 |  |  |
Provision | 2,503 | 1,769 | 5,086 | 2,090 |  |  |
Balance at end of period | 42,385 | 37,483 | 42,385 | 37,483 |  |  |
Individually evaluated for impairment |  |  |  |  | $ 424 |  | $ 1,346
Collectively evaluated for impairment |  |  |  |  | 41,937 |  | 36,033
Total ending ALLL balance | 42,736 | 35,845 | 40,444 | 35,533 | 42,385 | $ 40,444 | 37,483
Loans: |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 10,844 |  | 38,848
Collectively evaluated for impairment |  |  |  |  | 5,941,192 |  | 5,446,023
Total ending loan balances |  |  |  |  | 5,956,337 | 6,034,752 | 6,236,115
Purchased Credit Impaired |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at end of period | 24 | 104 | 24 | 104 |  |  |
Total ending ALLL balance | 24 | 104 | 24 | 104 | 24 |  | 104
Loans: |  |  |  |  |  |  |
Total ending loan balances |  |  |  |  | 4,301 | 141,826 | 751,244
Commercial | Commercial and industrial |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period | 10,888 | 6,046 | 7,584 | 5,850 |  |  |
Charge-offs | (132) | (137) | (382) | (137) |  |  |
Recoveries | 0 | 0 | 0 | 0 |  |  |
Provision | (261) | 2,095 | 3,293 | 2,291 |  |  |
Balance at end of period | 10,495 | 8,004 | 10,495 | 8,004 |  |  |
Individually evaluated for impairment |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  | 10,495 |  | 7,947
Total ending ALLL balance | 10,888 | 6,046 | 7,584 | 5,850 | 10,495 | 7,584 | 8,004
Loans: |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 0 |  | 3,470
Collectively evaluated for impairment |  |  |  |  | 1,560,264 |  | 1,298,486
Total ending loan balances |  |  |  |  | 1,560,916 | 1,522,960 | 1,306,866
Commercial | Commercial and industrial | Purchased Credit Impaired |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at end of period | 0 | 57 | 0 | 57 |  |  |
Total ending ALLL balance | 0 | 57 | 0 | 57 | 0 |  | 57
Loans: |  |  |  |  |  |  |
Total ending loan balances |  |  |  |  | 652 | 4,760 | 4,910
Commercial | Commercial real estate |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period | 4,543 | 3,969 | 5,467 | 4,252 |  |  |
Charge-offs | (113) | 0 | (113) | 0 |  |  |
Recoveries | 0 | 371 | 0 | 371 |  |  |
Provision | 696 | (786) | (228) | (1,069) |  |  |
Balance at end of period | 5,126 | 3,554 | 5,126 | 3,554 |  |  |
Individually evaluated for impairment |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  | 5,121 |  | 3,543
Total ending ALLL balance | 4,543 | 3,969 | 5,467 | 4,252 | 5,126 | 5,467 | 3,554
Loans: |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 0 |  | 271
Collectively evaluated for impairment |  |  |  |  | 715,650 |  | 721,510
Total ending loan balances |  |  |  |  | 716,771 | 729,959 | 725,107
Commercial | Commercial real estate | Purchased Credit Impaired |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at end of period | 5 | 11 | 5 | 11 |  |  |
Total ending ALLL balance | 5 | 11 | 5 | 11 | 5 |  | 11
Loans: |  |  |  |  |  |  |
Total ending loan balances |  |  |  |  | 1,121 | 1,182 | 3,326
Commercial | Multi-family |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period | 11,029 | 6,484 | 11,376 | 6,012 |  |  |
Charge-offs | 0 | 0 | 0 | 0 |  |  |
Recoveries | 0 | 0 | 0 | 0 |  |  |
Provision | (343) | 430 | (690) | 902 |  |  |
Balance at end of period | 10,686 | 6,914 | 10,686 | 6,914 |  |  |
Individually evaluated for impairment |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  | 10,686 |  | 6,914
Total ending ALLL balance | 11,029 | 6,484 | 11,376 | 6,012 | 10,686 | 11,376 | 6,914
Loans: |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  | 1,545,888 |  | 1,147,597
Total ending loan balances |  |  |  |  | 1,545,888 | 1,365,262 | 1,147,597
Commercial | Multi-family | Purchased Credit Impaired |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at end of period | 0 | 0 | 0 | 0 |  |  |
Total ending ALLL balance | 0 | 0 | 0 | 0 | 0 |  | 0
Loans: |  |  |  |  |  |  |
Total ending loan balances |  |  |  |  | 0 | 0 | 0
Commercial | SBA |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period | 1,146 | 906 | 939 | 683 |  |  |
Charge-offs | (293) | 0 | (293) | 0 |  |  |
Recoveries | 31 | 245 | 74 | 276 |  |  |
Provision | 200 | (454) | 364 | (262) |  |  |
Balance at end of period | 1,084 | 697 | 1,084 | 697 |  |  |
Individually evaluated for impairment |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  | 1,065 |  | 678
Total ending ALLL balance | 1,146 | 906 | 939 | 683 | 1,084 | 939 | 697
Loans: |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  | 74,726 |  | 62,634
Total ending loan balances |  |  |  |  | 77,254 | 73,840 | 65,477
Commercial | SBA | Purchased Credit Impaired |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at end of period | 19 | 19 | 19 | 19 |  |  |
Total ending ALLL balance | 19 | 19 | 19 | 19 | 19 |  | 19
Loans: |  |  |  |  |  |  |
Total ending loan balances |  |  |  |  | 2,528 | 2,672 | 2,843
Commercial | Construction |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period | 3,018 | 1,520 | 2,015 | 1,530 |  |  |
Charge-offs | (29) | 0 | (29) | 0 |  |  |
Recoveries | 0 | 0 | 0 | 0 |  |  |
Provision | (15) | 157 | 988 | 147 |  |  |
Balance at end of period | 2,974 | 1,677 | 2,974 | 1,677 |  |  |
Individually evaluated for impairment |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  | 2,974 |  | 1,677
Total ending ALLL balance | 3,018 | 1,520 | 2,015 | 1,530 | 2,974 | 2,015 | 1,677
Loans: |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  | 156,246 |  | 86,852
Total ending loan balances |  |  |  |  | 156,246 | 125,100 | 86,852
Commercial | Construction | Purchased Credit Impaired |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at end of period | 0 | 0 | 0 | 0 |  |  |
Total ending ALLL balance | 0 | 0 | 0 | 0 | 0 |  | 0
Loans: |  |  |  |  |  |  |
Total ending loan balances |  |  |  |  | 0 | 0 | 0
Commercial | Lease financing |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period | 5 | 2,610 | 6 | 2,195 |  |  |
Charge-offs | 0 | (479) | 0 | (581) |  |  |
Recoveries | 10 | 24 | 29 | 85 |  |  |
Provision | (12) | 385 | (32) | 841 |  |  |
Balance at end of period | 3 | 2,540 | 3 | 2,540 |  |  |
Individually evaluated for impairment |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  | 3 |  | 2,540
Total ending ALLL balance | 5 | 2,610 | 6 | 2,195 | 3 | 6 | 2,540
Loans: |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  | 173 |  | 228,663
Total ending loan balances |  |  |  |  | 173 | 379 | 228,663
Commercial | Lease financing | Purchased Credit Impaired |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at end of period | 0 | 0 | 0 | 0 |  |  |
Total ending ALLL balance | 0 | 0 | 0 | 0 | 0 |  | 0
Loans: |  |  |  |  |  |  |
Total ending loan balances |  |  |  |  | 0 | 0 | 0
Consumer | Single Family Residential Mortgage |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period | 11,240 | 13,270 | 12,075 | 13,854 |  |  |
Charge-offs | (2,331) | (149) | (2,412) | (149) |  |  |
Recoveries | 0 | 0 | 1 | 0 |  |  |
Provision | 2,100 | 22 | 1,345 | (562) |  |  |
Balance at end of period | 11,009 | 13,143 | 11,009 | 13,143 |  |  |
Individually evaluated for impairment |  |  |  |  | 424 |  | 1,346
Collectively evaluated for impairment |  |  |  |  | 10,585 |  | 11,780
Total ending ALLL balance | 11,240 | 13,270 | 12,075 | 13,854 | 11,009 | 12,075 | 13,143
Loans: |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 9,971 |  | 34,813
Collectively evaluated for impairment |  |  |  |  | 1,768,565 |  | 1,780,366
Total ending loan balances |  |  |  |  | 1,778,536 |  | 2,555,344
Consumer | Single Family Residential Mortgage | Purchased Credit Impaired |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at end of period | 0 | 17 | 0 | 17 |  |  |
Total ending ALLL balance | 0 | 17 | 0 | 17 | 0 |  | 17
Loans: |  |  |  |  |  |  |
Total ending loan balances |  |  |  |  | 0 |  | 740,165
Consumer | Other Consumer |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period | 867 | 1,040 | 982 | 1,157 |  |  |
Charge-offs | 0 | (7) | (26) | (7) |  |  |
Recoveries | 3 | 1 | 6 | 2 |  |  |
Provision | 138 | (80) | 46 | (198) |  |  |
Balance at end of period | 1,008 | 954 | 1,008 | 954 |  |  |
Individually evaluated for impairment |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  | 1,008 |  | 954
Total ending ALLL balance | 867 | 1,040 | 982 | 1,157 | 1,008 | $ 982 | 954
Loans: |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 873 |  | 294
Collectively evaluated for impairment |  |  |  |  | 119,680 |  | 119,915
Total ending loan balances |  |  |  |  | 120,553 |  | 120,209
Consumer | Other Consumer | Purchased Credit Impaired |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at end of period | 0 | 0 | 0 | 0 |  |  |
Total ending ALLL balance | $ 0 | $ 0 | $ 0 | $ 0 | 0 |  | 0
Loans: |  |  |  |  |  |  |
Total ending loan balances |  |  |  |  | $ 0 |  | $ 0

X
- Definition Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
Name: | us-gaap_AllowanceForLoanAndLeaseLossRecoveryOfBadDebts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_AllowanceForLoanAndLeaseLossesRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
Name: | us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The balance of financing receivables that were collectively evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The balance of financing receivables that were individually evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=82894903&loc=d3e15032-111544 + Details
Name: | us-gaap_LoansAndLeasesReceivableAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5074-111524 + Details
Name: | us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.11) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
Name: | us-gaap_ProvisionForLoanLeaseAndOtherLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_ReceivablesAcquiredWithDeterioratedCreditQualityAxis=us-gaap_ReceivablesAcquiredWithDeterioratedCreditQualityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
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_RealEstateLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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