XML 96 R85.htm IDEA: XBRL DOCUMENT
v3.23.1

Disclosures About Fair Value of Financial Instruments - Summary of Financial Assets and Liabilities Measured at Fair Value on a Recurring and Nonrecurring Basis (Detail) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Assets |  |
Fair Value | $ 2,900,259 | $ 2,961,015
Fair Value, Measurements, Recurring |  |
Assets |  |
Assets, fair value | 4,182,691 | 4,329,084
Fair Value, Measurements, Nonrecurring |  |
Assets |  |
Assets, fair value | 22,569 | 4,819
Asset-backed securities |  |
Assets |  |
Fair Value | 147,935 | 160,542
Asset-backed securities | Fair Value, Measurements, Recurring |  |
Assets |  |
Fair Value | 147,935 | 160,542
Agency-guaranteed residential collateralized mortgage obligations |  |
Assets |  |
Fair Value | 133,753 | 133,864
Agency-guaranteed residential collateralized mortgage obligations | Fair Value, Measurements, Recurring |  |
Assets |  |
Fair Value | 133,753 | 133,864
Collateralized loan obligations |  |
Assets |  |
Fair Value | 854,100 | 872,738
Collateralized loan obligations | Fair Value, Measurements, Recurring |  |
Assets |  |
Fair Value | 854,100 | 872,738
Commercial mortgage-backed securities |  |
Assets |  |
Fair Value | 136,818 | 136,357
Commercial mortgage-backed securities | Fair Value, Measurements, Recurring |  |
Assets |  |
Fair Value | 136,818 | 136,357
Corporate notes |  |
Assets |  |
Fair Value | 586,795 | 595,253
Corporate notes | Fair Value, Measurements, Recurring |  |
Assets |  |
Fair Value | 586,795 | 595,253
Private label collateralized mortgage obligations |  |
Assets |  |
Fair Value | 1,040,858 | 1,062,261
Private label collateralized mortgage obligations | Fair Value, Measurements, Recurring |  |
Assets |  |
Fair Value | 1,040,858 | 1,062,261
Derivatives | Fair Value, Measurements, Recurring |  |
Assets |  |
Assets, fair value | 34,751 | 44,435
Loans held for sale – fair value option | Fair Value, Measurements, Recurring |  |
Assets |  |
Assets, fair value | 314 | 322
Loans receivable, mortgage warehouse – fair value option | Fair Value, Measurements, Recurring |  |
Assets |  |
Assets, fair value | 1,247,367 | 1,323,312
Derivatives | Fair Value, Measurements, Recurring |  |
Liabilities |  |
Financial liabilities, fair value | 32,999 | 42,106
Collateral-dependent loans | Fair Value, Measurements, Nonrecurring |  |
Assets |  |
Assets, fair value | 22,569 | 4,819
Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Assets |  |
Fair Value | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value, Measurements, Recurring |  |
Assets |  |
Assets, fair value | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair Value, Measurements, Nonrecurring |  |
Assets |  |
Assets, fair value | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Asset-backed securities | Fair Value, Measurements, Recurring |  |
Assets |  |
Fair Value | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Agency-guaranteed residential collateralized mortgage obligations | Fair Value, Measurements, Recurring |  |
Assets |  |
Fair Value | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Collateralized loan obligations | Fair Value, Measurements, Recurring |  |
Assets |  |
Fair Value | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Commercial mortgage-backed securities | Fair Value, Measurements, Recurring |  |
Assets |  |
Fair Value | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Corporate notes | Fair Value, Measurements, Recurring |  |
Assets |  |
Fair Value | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Private label collateralized mortgage obligations | Fair Value, Measurements, Recurring |  |
Assets |  |
Fair Value | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Derivatives | Fair Value, Measurements, Recurring |  |
Assets |  |
Assets, fair value | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Loans held for sale – fair value option | Fair Value, Measurements, Recurring |  |
Assets |  |
Assets, fair value | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Loans receivable, mortgage warehouse – fair value option | Fair Value, Measurements, Recurring |  |
Assets |  |
Assets, fair value | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Derivatives | Fair Value, Measurements, Recurring |  |
Liabilities |  |
Financial liabilities, fair value | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Collateral-dependent loans | Fair Value, Measurements, Nonrecurring |  |
Assets |  |
Assets, fair value | 0 | 0
Significant Other Observable Inputs (Level 2) |  |
Assets |  |
Fair Value | 2,836,883 | 2,887,749
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Recurring |  |
Assets |  |
Assets, fair value | 4,119,250 | 4,255,763
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Nonrecurring |  |
Assets |  |
Assets, fair value | 16,000 | 0
Significant Other Observable Inputs (Level 2) | Asset-backed securities | Fair Value, Measurements, Recurring |  |
Assets |  |
Fair Value | 84,559 | 87,276
Significant Other Observable Inputs (Level 2) | Agency-guaranteed residential collateralized mortgage obligations | Fair Value, Measurements, Recurring |  |
Assets |  |
Fair Value | 133,753 | 133,864
Significant Other Observable Inputs (Level 2) | Collateralized loan obligations | Fair Value, Measurements, Recurring |  |
Assets |  |
Fair Value | 854,100 | 872,738
Significant Other Observable Inputs (Level 2) | Commercial mortgage-backed securities | Fair Value, Measurements, Recurring |  |
Assets |  |
Fair Value | 136,818 | 136,357
Significant Other Observable Inputs (Level 2) | Corporate notes | Fair Value, Measurements, Recurring |  |
Assets |  |
Fair Value | 586,795 | 595,253
Significant Other Observable Inputs (Level 2) | Private label collateralized mortgage obligations | Fair Value, Measurements, Recurring |  |
Assets |  |
Fair Value | 1,040,858 | 1,062,261
Significant Other Observable Inputs (Level 2) | Derivatives | Fair Value, Measurements, Recurring |  |
Assets |  |
Assets, fair value | 34,686 | 44,380
Significant Other Observable Inputs (Level 2) | Loans held for sale – fair value option | Fair Value, Measurements, Recurring |  |
Assets |  |
Assets, fair value | 314 | 322
Significant Other Observable Inputs (Level 2) | Loans receivable, mortgage warehouse – fair value option | Fair Value, Measurements, Recurring |  |
Assets |  |
Assets, fair value | 1,247,367 | 1,323,312
Significant Other Observable Inputs (Level 2) | Derivatives | Fair Value, Measurements, Recurring |  |
Liabilities |  |
Financial liabilities, fair value | 32,999 | 42,106
Significant Other Observable Inputs (Level 2) | Collateral-dependent loans | Fair Value, Measurements, Nonrecurring |  |
Assets |  |
Assets, fair value | 16,000 | 0
Significant Unobservable Inputs (Level 3) |  |
Assets |  |
Fair Value | 63,376 | 73,266
Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Recurring |  |
Assets |  |
Assets, fair value | 63,441 | 73,321
Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Nonrecurring |  |
Assets |  |
Assets, fair value | 6,569 | 4,819
Significant Unobservable Inputs (Level 3) | Asset-backed securities |  |
Assets |  |
Fair Value | 63,376 | 73,266
Significant Unobservable Inputs (Level 3) | Asset-backed securities | Fair Value, Measurements, Recurring |  |
Assets |  |
Fair Value | 63,376 | 73,266
Significant Unobservable Inputs (Level 3) | Agency-guaranteed residential collateralized mortgage obligations | Fair Value, Measurements, Recurring |  |
Assets |  |
Fair Value | 0 | 0
Significant Unobservable Inputs (Level 3) | Collateralized loan obligations | Fair Value, Measurements, Recurring |  |
Assets |  |
Fair Value | 0 | 0
Significant Unobservable Inputs (Level 3) | Commercial mortgage-backed securities | Fair Value, Measurements, Recurring |  |
Assets |  |
Fair Value | 0 | 0
Significant Unobservable Inputs (Level 3) | Corporate notes | Fair Value, Measurements, Recurring |  |
Assets |  |
Fair Value | 0 | 0
Significant Unobservable Inputs (Level 3) | Private label collateralized mortgage obligations | Fair Value, Measurements, Recurring |  |
Assets |  |
Fair Value | 0 | 0
Significant Unobservable Inputs (Level 3) | Derivatives | Fair Value, Measurements, Recurring |  |
Assets |  |
Assets, fair value | 65 | 55
Significant Unobservable Inputs (Level 3) | Loans held for sale – fair value option | Fair Value, Measurements, Recurring |  |
Assets |  |
Assets, fair value | 0 | 0
Significant Unobservable Inputs (Level 3) | Loans receivable, mortgage warehouse – fair value option | Fair Value, Measurements, Recurring |  |
Assets |  |
Assets, fair value | 0 | 0
Significant Unobservable Inputs (Level 3) | Derivatives | Fair Value, Measurements, Recurring |  |
Liabilities |  |
Financial liabilities, fair value | 0 | 0
Significant Unobservable Inputs (Level 3) | Collateral-dependent loans | Fair Value, Measurements, Nonrecurring |  |
Assets |  |
Assets, fair value | $ 6,569 | $ 4,819

X
- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
Name: | us-gaap_AssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleExcludingAccruedInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities. + References No definition available. + Details
Name: | us-gaap_FinancialLiabilitiesFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsNonrecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_AssetBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=cubi_AgencyGuaranteedResidentialCollateralizedMortgageObligationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CollateralizedLoanObligationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CommercialMortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CorporateNoteSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CollateralizedMortgageObligationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=cubi_DerivativeAssetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=cubi_LoansHeldForSaleFairValueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=cubi_LoansReceivableFairValueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=cubi_DerivativeLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=cubi_CollateralDependentLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |