XML 77 R65.htm IDEA: XBRL DOCUMENT
v3.21.2

Fair Value Measurements and Fair Value of Financial Instruments (Details) - Schedule of Fair Value on a non-recurring basis - Impaired Loans [Member] - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2021 | Dec. 31, 2020
Commercial Portfolio Segment [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value | $ 12,966 | $ 10,751
Commercial Real Estate [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value | 16,407 | 1,393
Non-recurring [Member] | Commercial Portfolio Segment [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value | $ 12,186 | $ 227
Valuation Techniques | Market approach (100) | Appraisals of collateral value
Unobservable Input | Average transfer price as a price to unpaid principal balance | Adjustment for comparable sales
Non-recurring [Member] | Commercial Portfolio Segment [Member] | Market approach [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Capitalization rate | 49.00% | (2.00%)
Non-recurring [Member] | Commercial Portfolio Segment [Member] | Market approach [Member] | Minimum [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Capitalization rate | 48.00% | 1.00%
Non-recurring [Member] | Commercial Portfolio Segment [Member] | Market approach [Member] | Maximum [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Capitalization rate | 53.00% | 5.00%
Non-recurring [Member] | Commercial Portfolio Segment1 [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value | $ 780 | $ 10,524
Valuation Techniques | Appraisals of collateral value | Market approach (100%)
Unobservable Input | Comparable sales | Average transfer price as a price to unpaid principal balance
Non-recurring [Member] | Commercial Portfolio Segment1 [Member] | Market approach [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Capitalization rate | 2.00% | (49.00%)
Non-recurring [Member] | Commercial Portfolio Segment1 [Member] | Market approach [Member] | Minimum [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Capitalization rate | 0.00% | 48.00%
Non-recurring [Member] | Commercial Portfolio Segment1 [Member] | Market approach [Member] | Maximum [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Capitalization rate | 5.00% | 53.00%
Non-recurring [Member] | Commercial Real Estate [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value | $ 16,407 | $ 1,393
Valuation Techniques | Appraisals of collateral value | Appraisals of collateral value
Unobservable Input | Comparable sales | Adjustment for comparable sales
Non-recurring [Member] | Commercial Real Estate [Member] | Sales comparison approach [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Capitalization rate | (8.00%) | (8.00%)
Non-recurring [Member] | Commercial Real Estate [Member] | Sales comparison approach [Member] | Minimum [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Capitalization rate | 0.00% | (25.00%)
Non-recurring [Member] | Commercial Real Estate [Member] | Sales comparison approach [Member] | Maximum [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Capitalization rate | 25.00% | 20.00%
Non-recurring [Member] | Residential [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Fair value | $ 2,251 |
Valuation Techniques | Appraisals of collateral value |
Unobservable Input | Comparable sales |
Non-recurring [Member] | Residential [Member] | Sales comparison approach [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Capitalization rate | (6.00%) |
Non-recurring [Member] | Residential [Member] | Sales comparison approach [Member] | Minimum [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Capitalization rate | 1.00% |
Non-recurring [Member] | Residential [Member] | Sales comparison approach [Member] | Maximum [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Capitalization rate | 15.00% |

X
- Definition Description of fair value unobservable input. + References No definition available. + Details
Name: | cnob_FairValueUnobservableInput
Namespace Prefix: | cnob_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of fair value valuation techniques. + References No definition available. + Details
Name: | cnob_FairValueValuationTechniques
Namespace Prefix: | cnob_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Capitalization rate. + References No definition available. + Details
Name: | cnob_MarketCapitalizationRate
Namespace Prefix: | cnob_
Data Type: | dtr-types:percentItemType
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 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_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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_CommercialPortfolioSegmentMember
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_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsNonrecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ValuationTechniqueAxis=cnob_MarketApproachMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_ValuationTechniqueAxis=cnob_SalesComparisonApproachMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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