XML 70 R94.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Borrowings - Long-term Debt (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018
Debt Instrument [Line Items] |  |
Borrowings, carrying amount | $ 350,000,000 | $ 0
Senior Notes |  |
Debt Instrument [Line Items] |  |
Borrowings, carrying amount | 123,630,000 | 123,871,000
Senior Subordinated Notes |  |
Debt Instrument [Line Items] |  |
Borrowings, carrying amount | 181,115,000 | 108,977,000
Maturing September 2024 | Senior Notes |  |
Debt Instrument [Line Items] |  |
Borrowings, carrying amount | $ 24,432,000 | 0
Face amount, percentage | 4.50% |
Issue of subordinated term note | $ 25,000,000 |
Senior unsecured notes aggregate amount | $ 25,000,000 |
Redemption price, percent of principal balance | 100.00% |
Maturing June 2022 | Senior Notes |  |
Debt Instrument [Line Items] |  |
Borrowings, carrying amount | $ 99,198,000 | 98,911,000
Face amount, percentage | 3.95% |
Issue of subordinated term note | $ 100,000,000 |
Senior unsecured notes aggregate amount | $ 100,000,000 |
Redemption price, percent of principal balance | 99.775% |
Maturing June 2019 | Senior Notes |  |
Debt Instrument [Line Items] |  |
Borrowings, carrying amount | $ 0 | 24,960,000
Face amount, percentage | 4.625% |
Issue of subordinated term note | $ 25,000,000 |
Senior unsecured notes aggregate amount | $ 25,000,000 |
Redemption price, percent of principal balance | 100.00% |
Maturing December 2034 | Senior Subordinated Notes |  |
Debt Instrument [Line Items] |  |
Borrowings, carrying amount | $ 72,040,000 | 0
Face amount, percentage | 5.375% |
Issue of subordinated term note | $ 74,750,000 |
Senior unsecured notes aggregate amount | $ 74,750,000 |
Redemption price, percent of principal balance | 100.00% |
Maturing June 2029 | Senior Subordinated Notes |  |
Debt Instrument [Line Items] |  |
Borrowings, carrying amount | $ 109,075,000 | $ 108,977,000
Face amount, percentage | 6.125% |
Issue of subordinated term note | $ 110,000,000 |
Senior unsecured notes aggregate amount | $ 110,000,000 |
Redemption price, percent of principal balance | 100.00% |
London Interbank Offered Rate (LIBOR) | Maturing June 2029 | Senior Subordinated Notes |  |
Debt Instrument [Line Items] |  |
Spread on variable interest rate | 3.443% |

X
- Definition Debt Instrument, Face Amount, Percentage + References No definition available. + Details
Name: | cubi_DebtInstrumentFaceAmountPercentage
Namespace Prefix: | cubi_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage price of original principal amount of debt at which debt can be redeemed by the issuer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph e -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 + Details
Name: | us-gaap_DebtInstrumentRedemptionPricePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorSubordinatedNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=cubi_MaturingSeptember2024Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=cubi_MaturingJune2022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=cubi_MaturingInJune2019Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=cubi_MaturingDecember2034Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=cubi_MaturingJune2029Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |