XML 90 R79.htm IDEA: XBRL DOCUMENT
v3.8.0.1

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 | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Dec. 31, 2016 | Sep. 30, 2016
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period | $ 42,385 | $ 37,483 | $ 40,444 | $ 35,533 |  |  |
Charge-offs | (959) | (393) | (4,214) | (1,267) |  |  |
Recoveries | 85 | 551 | 195 | 1,285 |  |  |
Provision | 3,561 | 2,592 | 8,647 | 4,682 |  |  |
Balance at end of period | 45,072 | 40,233 | 45,072 | 40,233 |  |  |
Individually evaluated for impairment |  |  |  |  | $ 415 |  | $ 665
Collectively evaluated for impairment |  |  |  |  | 44,657 |  | 39,464
Total ending ALLL balance | 42,385 | 37,483 | 40,444 | 35,533 | 45,072 | $ 40,444 | 40,233
Loans: |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 15,915 |  | 32,284
Collectively evaluated for impairment |  |  |  |  | 6,210,982 |  | 5,894,140
Total ending loan balances |  |  |  |  | 6,226,897 | 6,034,752 | 6,568,791
Purchased Credit Impaired |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at end of period | 0 | 104 | 0 | 104 |  |  |
Total ending ALLL balance | 0 | 104 | 0 | 104 | 0 |  | 104
Loans: |  |  |  |  |  |  |
Total ending loan balances |  |  |  |  | 0 | 141,826 | 642,367
Commercial | Commercial and industrial |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period | 10,495 | 8,004 | 7,584 | 5,850 |  |  |
Charge-offs | (571) | 0 | (953) | (137) |  |  |
Recoveries | 0 | 224 | 0 | 224 |  |  |
Provision | 2,576 | (2) | 5,869 | 2,289 |  |  |
Balance at end of period | 12,500 | 8,226 | 12,500 | 8,226 |  |  |
Individually evaluated for impairment |  |  |  |  | 195 |  | 0
Collectively evaluated for impairment |  |  |  |  | 12,305 |  | 8,169
Total ending ALLL balance | 10,495 | 8,004 | 7,584 | 5,850 | 12,500 | 7,584 | 8,226
Loans: |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 497 |  | 3,397
Collectively evaluated for impairment |  |  |  |  | 1,602,308 |  | 1,522,848
Total ending loan balances |  |  |  |  | 1,602,805 | 1,522,960 | 1,531,041
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 |  |  |  |  | 0 | 4,760 | 4,796
Commercial | Commercial real estate |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period | 5,126 | 3,554 | 5,467 | 4,252 |  |  |
Charge-offs | 0 | 0 | (113) | 0 |  |  |
Recoveries | 0 | 0 | 0 | 371 |  |  |
Provision | 202 | 1,472 | (26) | 403 |  |  |
Balance at end of period | 5,328 | 5,026 | 5,328 | 5,026 |  |  |
Individually evaluated for impairment |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  | 5,328 |  | 5,015
Total ending ALLL balance | 5,126 | 3,554 | 5,467 | 4,252 | 5,328 | 5,467 | 5,026
Loans: |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  | 713,120 |  | 719,420
Total ending loan balances |  |  |  |  | 713,120 | 729,959 | 721,838
Commercial | Commercial real estate | Purchased Credit Impaired |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at end of period | 0 | 11 | 0 | 11 |  |  |
Total ending ALLL balance | 0 | 11 | 0 | 11 | 0 |  | 11
Loans: |  |  |  |  |  |  |
Total ending loan balances |  |  |  |  | 0 | 1,182 | 2,418
Commercial | Multifamily |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period | 10,686 | 6,914 | 11,376 | 6,012 |  |  |
Charge-offs | 0 | 0 | 0 | 0 |  |  |
Recoveries | 0 | 0 | 0 | 0 |  |  |
Provision | 588 | 1,795 | (102) | 2,697 |  |  |
Balance at end of period | 11,274 | 8,709 | 11,274 | 8,709 |  |  |
Individually evaluated for impairment |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  | 11,274 |  | 8,709
Total ending ALLL balance | 10,686 | 6,914 | 11,376 | 6,012 | 11,274 | 11,376 | 8,709
Loans: |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  | 1,617,890 |  | 1,199,207
Total ending loan balances |  |  |  |  | 1,617,890 | 1,365,262 | 1,199,207
Commercial | Multifamily | 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 | 1,084 | 697 | 939 | 683 |  |  |
Charge-offs | (58) | 0 | (351) | 0 |  |  |
Recoveries | 83 | 67 | 157 | 343 |  |  |
Provision | 188 | 144 | 552 | (118) |  |  |
Balance at end of period | 1,297 | 908 | 1,297 | 908 |  |  |
Individually evaluated for impairment |  |  |  |  | 54 |  | 0
Collectively evaluated for impairment |  |  |  |  | 1,243 |  | 889
Total ending ALLL balance | 1,084 | 697 | 939 | 683 | 1,297 | 939 | 908
Loans: |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 377 |  | 0
Collectively evaluated for impairment |  |  |  |  | 78,227 |  | 64,977
Total ending loan balances |  |  |  |  | 78,604 | 73,840 | 67,737
Commercial | SBA | Purchased Credit Impaired |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at end of period | 0 | 19 | 0 | 19 |  |  |
Total ending ALLL balance | 0 | 19 | 0 | 19 | 0 |  | 19
Loans: |  |  |  |  |  |  |
Total ending loan balances |  |  |  |  | 0 | 2,672 | 2,760
Commercial | Construction |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period | 2,974 | 1,677 | 2,015 | 1,530 |  |  |
Charge-offs | 0 | 0 | (29) | 0 |  |  |
Recoveries | 0 | 0 | 0 | 0 |  |  |
Provision | 238 | 40 | 1,226 | 187 |  |  |
Balance at end of period | 3,212 | 1,717 | 3,212 | 1,717 |  |  |
Individually evaluated for impairment |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  | 3,212 |  | 1,717
Total ending ALLL balance | 2,974 | 1,677 | 2,015 | 1,530 | 3,212 | 2,015 | 1,717
Loans: |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  | 176,397 |  | 99,086
Total ending loan balances |  |  |  |  | 176,397 | 125,100 | 99,086
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 | 3 | 2,540 | 6 | 2,195 |  |  |
Charge-offs | 0 | (393) | 0 | (974) |  |  |
Recoveries | 0 | 98 | 29 | 183 |  |  |
Provision | (1) | 722 | (33) | 1,563 |  |  |
Balance at end of period | 2 | 2,967 | 2 | 2,967 |  |  |
Individually evaluated for impairment |  |  |  |  | 1 |  | 0
Collectively evaluated for impairment |  |  |  |  | 1 |  | 2,967
Total ending ALLL balance | 3 | 2,540 | 6 | 2,195 | 2 | 6 | 2,967
Loans: |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 41 |  | 0
Collectively evaluated for impairment |  |  |  |  | 50 |  | 234,540
Total ending loan balances |  |  |  |  | 91 | 379 | 234,540
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 | 11,009 | 13,143 | 12,075 | 13,854 |  |  |
Charge-offs | (78) | 0 | (2,490) | (149) |  |  |
Recoveries | 0 | 157 | 1 | 157 |  |  |
Provision | (564) | (1,573) | 781 | (2,135) |  |  |
Balance at end of period | 10,367 | 11,727 | 10,367 | 11,727 |  |  |
Individually evaluated for impairment |  |  |  |  | 165 |  | 665
Collectively evaluated for impairment |  |  |  |  | 10,202 |  | 11,045
Total ending ALLL balance | 11,009 | 13,143 | 12,075 | 13,854 | 10,367 | 12,075 | 11,727
Loans: |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 14,636 |  | 28,593
Collectively evaluated for impairment |  |  |  |  | 1,905,674 |  | 1,940,389
Total ending loan balances |  |  |  |  | 1,920,310 |  | 2,601,375
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 |  | 632,393
Consumer | Other Consumer |  |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |  |
Balance at beginning of period | 1,008 | 954 | 982 | 1,157 |  |  |
Charge-offs | (252) | 0 | (278) | (7) |  |  |
Recoveries | 2 | 5 | 8 | 7 |  |  |
Provision | 334 | (6) | 380 | (204) |  |  |
Balance at end of period | 1,092 | 953 | 1,092 | 953 |  |  |
Individually evaluated for impairment |  |  |  |  | 0 |  | 0
Collectively evaluated for impairment |  |  |  |  | 1,092 |  | 953
Total ending ALLL balance | 1,008 | 954 | 982 | 1,157 | 1,092 | $ 982 | 953
Loans: |  |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 364 |  | 294
Collectively evaluated for impairment |  |  |  |  | 117,316 |  | 113,673
Total ending loan balances |  |  |  |  | 117,680 |  | 113,967
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: |