XML 53 R41.htm IDEA: XBRL DOCUMENT
v3.19.2

Loans and Leases Receivable and Allowance for Loan and Lease Losses - Additional Information (Detail) |  |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | ---
Jun. 30, 2019 USD ($) Commitment Loan | Dec. 31, 2018 USD ($) Commitment Loan | Jun. 30, 2019 USD ($) Allowance Commitment Loan | Jun. 30, 2018 USD ($) Loan | Jun. 30, 2019 USD ($) Commitment Loan | Jun. 30, 2018 USD ($) Loan
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |  |
Loans held for sale, average life from purchase to sale |  |  |  |  | 30 days |
Funds for reimbursement |  | $ 500,000 |  |  |  |
Loans reported as TDR | $ 19,000,000.0 | 19,200,000 | $ 19,000,000.0 |  | $ 19,000,000.0 |
Lease receivable, TDR | $ 0 | $ 0 | $ 0 |  | $ 0 |
Minimum performance requirement |  |  |  |  | 9 months |
Number of loans | Loan |  |  | 2 | 16 | 14 | 25
Recorded investment |  |  | $ 47,000 | $ 663,000 | $ 946,000 | $ 985,000
Number of loans modified as TDR (loan) | Loan |  |  |  |  | 4 | 0
Number of commitments to lend additional funds (commitment) | Commitment | 0 | 0 | 0 |  | 0 |
Loans modified as TDR |  |  |  |  | $ 108,000 | $ 0
Loans modified as TDR allowance (allowance) |  |  | 0 | 0 | 0 | 0
Loans and leases receivable, net of allowance for loan and lease losses | $ 9,667,258,000 | $ 8,503,522,000 | $ 9,667,258,000 |  | $ 9,667,258,000 |
Loans pledged as collateral | 5,300,000,000 | 5,400,000,000 | 5,300,000,000 |  | 5,300,000,000 |
Residential real estate |  |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |  |
Residential real estate held in other real estate owned | 500,000 | 200,000 | 500,000 |  | 500,000 |
Loans in process of foreclosure | $ 700,000 | $ 2,100,000 | $ 700,000 |  | $ 700,000 |
Commercial and industrial |  |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |  |
Number of loans modified as TDR (loan) | Loan | 1 | 1 |  |  |  |
Loans modified as TDR | $ 1,500,000 | $ 1,500,000 |  |  |  |
Forgiveness of debt |  |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |  |  |
Number of loans | Loan |  |  | 0 | 0 | 0 | 0
Recorded investment |  |  | $ 0 | $ 0 | $ 0 | $ 0

X
- Definition Financing Receivable Impairment Minimum Performance Requirement Period + References No definition available. + Details
Name: | cubi_FinancingReceivableImpairmentMinimumPerformanceRequirementPeriod
Namespace Prefix: | cubi_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Funds For Reimbursement Relating To Purchased Manufactured Housing + References No definition available. + Details
Name: | cubi_FundsForReimbursementRelatingToPurchasedManufacturedHousing
Namespace Prefix: | cubi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Loans Held For Sale Average Life From Purchase To Sale + References No definition available. + Details
Name: | cubi_LoansHeldForSaleAverageLifeFromPurchaseToSale
Namespace Prefix: | cubi_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Loans Receivables Gross Troubled Debt Restructurings + References No definition available. + Details
Name: | cubi_LoansReceivablesGrossTroubledDebtRestructurings
Namespace Prefix: | cubi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number Of Commitments To Lend Additional Funds For Troubled Debt Restructurings + References No definition available. + Details
Name: | cubi_NumberOfCommitmentsToLendAdditionalFundsForTroubledDebtRestructurings
Namespace Prefix: | cubi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Other Real Estate And Foreclosed Assets, Residential + References No definition available. + Details
Name: | cubi_OtherRealEstateAndForeclosedAssetsResidential
Namespace Prefix: | cubi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Specific Allowance, Loans Modified In Troubled Debt Restructurings + References No definition available. + Details
Name: | cubi_SpecificAllowanceLoansModifiedInTroubledDebtRestructurings
Namespace Prefix: | cubi_
Data Type: | xbrli:integerItemType
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_FinancingReceivableModificationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsNumberOfContracts2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after troubled debt restructuring, of modified financing receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of financing receivable modified as troubled debt restructuring. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=118939409&loc=d3e18845-111554 + Details
Name: | us-gaap_FinancingReceivableModificationsRecordedInvestment
Namespace Prefix: | us-gaap_
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
- Definition Amount of financing receivable modified as troubled debt restructuring within previous 12 months, with subsequent payment default. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953682-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums over and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes loans and leases covered under loss sharing agreements. + References No definition available. + Details
Name: | us-gaap_LoansAndLeasesReceivableNetReportedAmountCoveredAndNotCovered
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Carrying amount as of the balance sheet date of loans that have been pledged as collateral for borrowings. If the secured party has the right by contract or custom to sell or re-pledge the collateral, then the debtor reclassifies that asset and report that asset in its statement of financial position separately from other assets not so encumbered. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66007379&loc=d3e113888-111728 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5086-111524 + Details
Name: | us-gaap_LoansPledgedAsCollateral
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 35 -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL49126937-111524 + Details
Name: | us-gaap_MortgageLoansInProcessOfForeclosureAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=us-gaap_ResidentialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=cubi_CommercialandIndustrialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=us-gaap_PrincipalForgivenessMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |