XML 81 R67.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Loans and the Allowance for Credit Losses (Details) - Fair value of collateral $ in Thousands | Dec. 31, 2021 USD ($)
--- | ---
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items] |
Fair value of collateral | $ 109,863
Real Estate [Member] |
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items] |
Fair value of collateral | 83,681
Other [Member] |
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items] |
Fair value of collateral | 26,182
Commercial Portfolio Segment [Member] |
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items] |
Fair value of collateral | 32,567
Commercial Portfolio Segment [Member] | Real Estate [Member] |
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items] |
Fair value of collateral | 6,385
Commercial Portfolio Segment [Member] | Other [Member] |
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items] |
Fair value of collateral | 26,182
Commercial Real Estate Portfolio Segment [Member] |
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items] |
Fair value of collateral | 55,244
Commercial Real Estate Portfolio Segment [Member] | Real Estate [Member] |
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items] |
Fair value of collateral | 55,244
Commercial Real Estate Portfolio Segment [Member] | Other [Member] |
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items] |
Fair value of collateral |
Commercial Construction Portfolio Segment [Member] |
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items] |
Fair value of collateral | 13,196
Commercial Construction Portfolio Segment [Member] | Real Estate [Member] |
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items] |
Fair value of collateral | 13,196
Commercial Construction Portfolio Segment [Member] | Other [Member] |
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items] |
Fair value of collateral |
Residential Real Estate Portfolio Segment [Member] |
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items] |
Fair value of collateral | 8,856
Residential Real Estate Portfolio Segment [Member] | Real Estate [Member] |
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items] |
Fair value of collateral | 8,856
Residential Real Estate Portfolio Segment [Member] | Other [Member] |
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items] |
Fair value of collateral |
Consumer Portfolio Segment [Member] |
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items] |
Fair value of collateral |
Consumer Portfolio Segment [Member] | Real Estate [Member] |
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items] |
Fair value of collateral |
Consumer Portfolio Segment [Member] | Other [Member] |
Loans and the Allowance for Loan and Lease Losses (Details) - Purchase credit impaired loans [Line Items] |
Fair value of collateral |

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

X
- Definition Fair value of the securities pledged as collateral against securities loaned. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226013-175313 + Details
Name: | us-gaap_SecuritiesLoanedFairValueOfCollateral
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_RealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=us-gaap_RealEstateOtherMember
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_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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