XML 73 R61.htm IDEA: XBRL DOCUMENT
v3.21.2

Fair Value Measurements and Fair Value of Financial Instruments (Details) - Schedule of Fair Value on a recurring basis - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Available-for-sale: |  |
Securities available-for-sale | $ 458,933 | $ 487,955
Equity securities | 13,223 | 13,387
LIABILITIES |  |
Derivatives | 922 | 2,119
Fair Value, Inputs, Level 1 [Member] |  |
Available-for-sale: |  |
Securities available-for-sale | 167 | 157
Fair Value, Inputs, Level 2 [Member] |  |
Available-for-sale: |  |
Securities available-for-sale | 450,061 | 478,954
Fair Value, Inputs, Level 3 [Member] |  |
Available-for-sale: |  |
Securities available-for-sale | 8,705 | 8,844
Federal agency obligations [Member] |  |
Available-for-sale: |  |
Securities available-for-sale | 35,773 | 38,458
Residential mortgage pass-through securities [Member] |  |
Available-for-sale: |  |
Securities available-for-sale | 263,158 | 270,884
Commercial mortgage pass-through securities [Member] |  |
Available-for-sale: |  |
Securities available-for-sale | 8,795 | 6,922
Obligations of U.S. states and political subdivisions [Member] |  |
Available-for-sale: |  |
Securities available-for-sale | 136,388 | 142,808
Corporate bonds and notes [Member] |  |
Available-for-sale: |  |
Securities available-for-sale | 11,621 | 25,095
Asset-backed securities [Member] |  |
Available-for-sale: |  |
Securities available-for-sale | 2,880 | 3,480
Certificates of deposit [Member] |  |
Available-for-sale: |  |
Securities available-for-sale | 151 | 151
Other securities [Member] |  |
Available-for-sale: |  |
Securities available-for-sale | 167 | 157
Recurring [Member] |  |
Available-for-sale: |  |
Securities available-for-sale | 458,933 | 487,955
Equity securities | 13,223 | 13,387
Total assets | 472,156 | 501,342
LIABILITIES |  |
Derivatives | (922) | (2,119)
Total liabilities | (922) | (2,119)
Recurring [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Available-for-sale: |  |
Securities available-for-sale | 167 | 157
Equity securities | 11,243 | 13,387
Total assets | 11,410 | 13,544
LIABILITIES |  |
Derivatives |  |
Total liabilities |  |
Recurring [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Available-for-sale: |  |
Securities available-for-sale | 450,061 | 478,954
Equity securities | 1,980 |
Total assets | 452,041 | 478,954
LIABILITIES |  |
Derivatives | (922) | (2,119)
Total liabilities | (922) | (2,119)
Recurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Available-for-sale: |  |
Securities available-for-sale | 8,705 | 8,844
Equity securities |  |
Total assets | 8,705 | 8,844
LIABILITIES |  |
Derivatives |  |
Total liabilities |  |
Recurring [Member] | Federal agency obligations [Member] |  |
Available-for-sale: |  |
Securities available-for-sale | 35,773 | 38,458
Recurring [Member] | Federal agency obligations [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Available-for-sale: |  |
Securities available-for-sale |  |
Recurring [Member] | Federal agency obligations [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Available-for-sale: |  |
Securities available-for-sale | 35,773 | 38,458
Recurring [Member] | Federal agency obligations [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Available-for-sale: |  |
Securities available-for-sale |  |
Recurring [Member] | Residential mortgage pass-through securities [Member] |  |
Available-for-sale: |  |
Securities available-for-sale | 263,158 | 270,884
Recurring [Member] | Residential mortgage pass-through securities [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Available-for-sale: |  |
Securities available-for-sale |  |
Recurring [Member] | Residential mortgage pass-through securities [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Available-for-sale: |  |
Securities available-for-sale | 263,158 | 270,884
Recurring [Member] | Residential mortgage pass-through securities [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Available-for-sale: |  |
Securities available-for-sale |  |
Recurring [Member] | Commercial mortgage pass-through securities [Member] |  |
Available-for-sale: |  |
Securities available-for-sale | 8,795 | 6,922
Recurring [Member] | Commercial mortgage pass-through securities [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Available-for-sale: |  |
Securities available-for-sale |  |
Recurring [Member] | Commercial mortgage pass-through securities [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Available-for-sale: |  |
Securities available-for-sale | 8,795 | 6,922
Recurring [Member] | Commercial mortgage pass-through securities [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Available-for-sale: |  |
Securities available-for-sale |  |
Recurring [Member] | Obligations of U.S. states and political subdivisions [Member] |  |
Available-for-sale: |  |
Securities available-for-sale | 136,388 | 142,808
Recurring [Member] | Obligations of U.S. states and political subdivisions [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Available-for-sale: |  |
Securities available-for-sale |  |
Recurring [Member] | Obligations of U.S. states and political subdivisions [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Available-for-sale: |  |
Securities available-for-sale | 127,683 | 133,964
Recurring [Member] | Obligations of U.S. states and political subdivisions [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Available-for-sale: |  |
Securities available-for-sale | 8,705 | 8,844
Recurring [Member] | Corporate bonds and notes [Member] |  |
Available-for-sale: |  |
Securities available-for-sale | 11,621 | 25,095
Recurring [Member] | Corporate bonds and notes [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Available-for-sale: |  |
Securities available-for-sale |  |
Recurring [Member] | Corporate bonds and notes [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Available-for-sale: |  |
Securities available-for-sale | 11,621 | 25,095
Recurring [Member] | Corporate bonds and notes [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Available-for-sale: |  |
Securities available-for-sale |  |
Recurring [Member] | Asset-backed securities [Member] |  |
Available-for-sale: |  |
Securities available-for-sale | 2,880 | 3,480
Recurring [Member] | Asset-backed securities [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Available-for-sale: |  |
Securities available-for-sale |  |
Recurring [Member] | Asset-backed securities [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Available-for-sale: |  |
Securities available-for-sale | 2,880 | 3,480
Recurring [Member] | Asset-backed securities [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Available-for-sale: |  |
Securities available-for-sale |  |
Recurring [Member] | Certificates of deposit [Member] |  |
Available-for-sale: |  |
Securities available-for-sale | 151 | 151
Recurring [Member] | Other securities [Member] |  |
Available-for-sale: |  |
Securities available-for-sale | 167 | 157
Recurring [Member] | Other securities [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Available-for-sale: |  |
Securities available-for-sale | 167 | 157
Recurring [Member] | Other securities [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Available-for-sale: |  |
Securities available-for-sale |  |
Recurring [Member] | Other securities [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Available-for-sale: |  |
Securities available-for-sale |  |
Recurring [Member] | Certificate Of Deposit [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Available-for-sale: |  |
Securities available-for-sale |  |
Recurring [Member] | Certificate Of Deposit [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Available-for-sale: |  |
Securities available-for-sale | 151 | 151
Recurring [Member] | Certificate Of Deposit [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Available-for-sale: |  |
Securities available-for-sale |  |

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

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 http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
Name: | us-gaap_AssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313 + Details
Name: | us-gaap_DerivativeLiabilities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=123594786&loc=SL75136599-209740 + Details
Name: | us-gaap_EquitySecuritiesFvNi
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of financial and nonfinancial obligations. + 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 http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
Name: | us-gaap_LiabilitiesFairValueDisclosure
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_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_FinancialInstrumentAxis=cnob_FederalAgencyObligationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

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