XML 140 R125.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Fair Value Measurements and Fair Value of Financial Instruments (Details) - Schedule of Assets at Fair Value on Non-Recurring - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Impaired Loans [Member] | Commercial Real Estate [Member] |  |
Assets Measured at Fair Value on a Non-Recurring Basis: |  |
Assets measured at fair value on a nonrecurring basis | $ 1,094 | $ 1,099
Impaired Loans [Member] | Commercial Real Estate [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Assets Measured at Fair Value on a Non-Recurring Basis: |  |
Assets measured at fair value on a nonrecurring basis |  |
Impaired Loans [Member] | Commercial Real Estate [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Assets Measured at Fair Value on a Non-Recurring Basis: |  |
Assets measured at fair value on a nonrecurring basis |  |
Impaired Loans [Member] | Commercial Real Estate [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Assets Measured at Fair Value on a Non-Recurring Basis: |  |
Assets measured at fair value on a nonrecurring basis | $ 1,094 | 1,099
Loans held-for-sale [Member] | Commercial Real Estate [Member] |  |
Assets Measured at Fair Value on a Non-Recurring Basis: |  |
Assets measured at fair value on a nonrecurring basis |  | 7,712
Loans held-for-sale [Member] | Commercial Real Estate [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Assets Measured at Fair Value on a Non-Recurring Basis: |  |
Assets measured at fair value on a nonrecurring basis |  |
Loans held-for-sale [Member] | Commercial Real Estate [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Assets Measured at Fair Value on a Non-Recurring Basis: |  |
Assets measured at fair value on a nonrecurring basis |  | 7,712
Loans held-for-sale [Member] | Commercial Real Estate [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Assets Measured at Fair Value on a Non-Recurring Basis: |  |
Assets measured at fair value on a nonrecurring basis |  |
Loans held-for-sale [Member] | Commercial [Member] |  |
Assets Measured at Fair Value on a Non-Recurring Basis: |  |
Assets measured at fair value on a nonrecurring basis |  | 70,105
Loans held-for-sale [Member] | Commercial [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Assets Measured at Fair Value on a Non-Recurring Basis: |  |
Assets measured at fair value on a nonrecurring basis |  |
Loans held-for-sale [Member] | Commercial [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Assets Measured at Fair Value on a Non-Recurring Basis: |  |
Assets measured at fair value on a nonrecurring basis |  | 4,509
Loans held-for-sale [Member] | Commercial [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Assets Measured at Fair Value on a Non-Recurring Basis: |  |
Assets measured at fair value on a nonrecurring basis |  | $ 65,596

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

X
- Definition This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a nonrecurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. + References No definition available. + Details
Name: | us-gaap_AssetsFairValueDisclosureNonrecurring
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=cnob_ImpairedLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialRealEstateMember
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: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=cnob_LoansHeldForSaleMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |