XML 67 R53.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Loans Receivable and Allowance for Loan Losses - Summary of Recorded Investment Net Charge-Offs, Unpaid Principal Balance and Related Allowance for Impaired Loans (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017 | Dec. 31, 2017
Recorded Investment Net of Charge offs |  |  |  |  |
Recorded Investment Net of Charge Offs, Total | $ 37,629 |  | $ 37,629 |  | $ 38,435
Unpaid Principal Balance |  |  |  |  |
Unpaid Principal Balance, Total | 38,905 |  | 38,905 |  | 39,089
Related Allowance | 1,381 |  | 1,381 |  | 1,451
Average Recorded Investment |  |  |  |  |
Average Recorded Investment, Total | 36,045 | $ 35,422 | 36,841 | $ 33,419 |
Interest Income Recognized |  |  |  |  |
Interest Income Recognized, Total | 222 | 249 | 380 | 511 |
Multi-family |  |  |  |  |
Recorded Investment Net of Charge offs |  |  |  |  |
Recorded Investment Net of Charge Offs, With no related allowance recorded | 1,343 |  | 1,343 |  |
Unpaid Principal Balance |  |  |  |  |
Unpaid Principal Balance, With no related allowance recorded | 1,343 |  | 1,343 |  |
Average Recorded Investment |  |  |  |  |
Average Recorded Investment, With no related allowance recorded | 672 |  | 448 |  |
Interest Income Recognized |  |  |  |  |
Interest Income Recognized, With no related allowance recorded | 8 |  | 8 |  |
Commercial and industrial |  |  |  |  |
Recorded Investment Net of Charge offs |  |  |  |  |
Recorded Investment Net of Charge Offs, With no related allowance recorded | 5,642 |  | 5,642 |  | 9,138
Recorded Investment Net of Charge Offs, With an allowance recorded | 8,108 |  | 8,108 |  | 8,323
Unpaid Principal Balance |  |  |  |  |
Unpaid Principal Balance, With no related allowance recorded | 5,889 |  | 5,889 |  | 9,287
Unpaid Principal Balance, With an allowance recorded | 8,292 |  | 8,292 |  | 8,506
Related Allowance | 1,062 |  | 1,062 |  | 650
Average Recorded Investment |  |  |  |  |
Average Recorded Investment, With no related allowance recorded | 5,736 | 6,678 | 6,870 | 5,251 |
Average Recorded Investment, With an allowance recorded | 8,283 | 7,209 | 8,296 | 6,846 |
Interest Income Recognized |  |  |  |  |
Interest Income Recognized, With no related allowance recorded | 2 | 46 | 2 | 96 |
Interest Income Recognized, With an allowance recorded | 11 | 0 | 12 | 22 |
Commercial real estate - owner occupied |  |  |  |  |
Recorded Investment Net of Charge offs |  |  |  |  |
Recorded Investment Net of Charge Offs, With no related allowance recorded | 718 |  | 718 |  | 806
Recorded Investment Net of Charge Offs, With an allowance recorded | 41 |  | 41 |  | 642
Unpaid Principal Balance |  |  |  |  |
Unpaid Principal Balance, With no related allowance recorded | 1,201 |  | 1,201 |  | 806
Unpaid Principal Balance, With an allowance recorded | 41 |  | 41 |  | 642
Related Allowance | 1 |  | 1 |  | 642
Average Recorded Investment |  |  |  |  |
Average Recorded Investment, With no related allowance recorded | 664 | 1,739 | 713 | 1,563 |
Average Recorded Investment, With an allowance recorded | 455 | 839 | 517 | 839 |
Interest Income Recognized |  |  |  |  |
Interest Income Recognized, With no related allowance recorded | 0 | 0 | 0 | 3 |
Interest Income Recognized, With an allowance recorded | 1 | 1 | 2 | 2 |
Commercial real estate - non-owner occupied |  |  |  |  |
Recorded Investment Net of Charge offs |  |  |  |  |
Recorded Investment Net of Charge Offs, With no related allowance recorded | 2,536 |  | 2,536 |  | 160
Recorded Investment Net of Charge Offs, With an allowance recorded |  |  |  |  | 0
Unpaid Principal Balance |  |  |  |  |
Unpaid Principal Balance, With no related allowance recorded | 2,648 |  | 2,648 |  | 272
Unpaid Principal Balance, With an allowance recorded |  |  |  |  | 0
Related Allowance |  |  |  |  | 0
Average Recorded Investment |  |  |  |  |
Average Recorded Investment, With no related allowance recorded | 1,390 | 884 | 980 | 1,257 |
Average Recorded Investment, With an allowance recorded |  | 114 |  | 126 |
Interest Income Recognized |  |  |  |  |
Interest Income Recognized, With no related allowance recorded | 8 | 0 | 8 | 2 |
Interest Income Recognized, With an allowance recorded |  | 0 |  | 0 |
Other |  |  |  |  |
Recorded Investment Net of Charge offs |  |  |  |  |
Recorded Investment Net of Charge Offs, With no related allowance recorded | 94 |  | 94 |  | 30
Unpaid Principal Balance |  |  |  |  |
Unpaid Principal Balance, With no related allowance recorded | 94 |  | 94 |  | 30
Average Recorded Investment |  |  |  |  |
Average Recorded Investment, With no related allowance recorded | 96 | 56 | 74 | 56 |
Interest Income Recognized |  |  |  |  |
Interest Income Recognized, With no related allowance recorded | 0 | 0 | 0 | 0 |
Residential real estate |  |  |  |  |
Recorded Investment Net of Charge offs |  |  |  |  |
Recorded Investment Net of Charge Offs, With no related allowance recorded | 4,301 |  | 4,301 |  | 3,628
Recorded Investment Net of Charge Offs, With an allowance recorded | 4,474 |  | 4,474 |  | 5,619
Unpaid Principal Balance |  |  |  |  |
Unpaid Principal Balance, With no related allowance recorded | 4,546 |  | 4,546 |  | 3,801
Unpaid Principal Balance, With an allowance recorded | 4,479 |  | 4,479 |  | 5,656
Related Allowance | 313 |  | 313 |  | 155
Average Recorded Investment |  |  |  |  |
Average Recorded Investment, With no related allowance recorded | 3,959 | 2,660 | 3,849 | 4,001 |
Average Recorded Investment, With an allowance recorded | 4,550 | 4,953 | 4,906 | 3,399 |
Interest Income Recognized |  |  |  |  |
Interest Income Recognized, With no related allowance recorded | 2 | 0 | 2 | 1 |
Interest Income Recognized, With an allowance recorded | 38 | 45 | 63 | 84 |
Manufactured housing |  |  |  |  |
Recorded Investment Net of Charge offs |  |  |  |  |
Recorded Investment Net of Charge Offs, With no related allowance recorded | 10,144 |  | 10,144 |  | 9,865
Recorded Investment Net of Charge Offs, With an allowance recorded | 228 |  | 228 |  | 224
Unpaid Principal Balance |  |  |  |  |
Unpaid Principal Balance, With no related allowance recorded | 10,144 |  | 10,144 |  | 9,865
Unpaid Principal Balance, With an allowance recorded | 228 |  | 228 |  | 224
Related Allowance | 5 |  | 5 |  | $ 4
Average Recorded Investment |  |  |  |  |
Average Recorded Investment, With no related allowance recorded | 10,015 | 10,074 | 9,963 | 9,937 |
Average Recorded Investment, With an allowance recorded | 225 | 216 | 225 | 144 |
Interest Income Recognized |  |  |  |  |
Interest Income Recognized, With no related allowance recorded | 146 | 152 | 277 | 293 |
Interest Income Recognized, With an allowance recorded | $ 6 | $ 5 | $ 6 | $ 8 |

X
- Definition Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5258-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableInterestIncomeAccrualMethod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Definition Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953550-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition Amount of allowance for credit losses related to recorded investment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableRelatedAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableUnpaidPrincipalBalance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition Amount of average investment of impaired financing receivables for which there is no related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5258-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of interest income, recognized on accrual basis, on financing receivables that are recognized as impaired, for which there is no related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of investment in impaired financing receivables for which there is no related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953550-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of unpaid principal balance of impaired financing receivables for which there is no related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of average investment of impaired financing receivables for which there is a related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5258-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of interest income, recognized on accrual basis, on financing receivables, for which there is a related allowance for credit losses and are recognized as impaired. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of investment in impaired financing receivables for which there is a related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953550-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Unpaid principal balance of impaired financing receivables for which there is a related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524 + Details
Name: | us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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

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

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

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

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

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