XML 73 R61.htm IDEA: XBRL DOCUMENT
v3.20.2

Loans and the Allowance for Loan Losses (Schedule of Composition of Loans by Loan Segments) (Details) $ in Thousands | Jun. 30, 2020 USD ($) Loans
--- | ---
Financing Receivable, Past Due [Line Items] |
Number of deferred loans | Loans | 575
Unpaid Principal Balance | $ | $ 937,372
Commercial Portfolio Segment [Member] |
Financing Receivable, Past Due [Line Items] |
Number of deferred loans | Loans | 331
Unpaid Principal Balance | $ | $ 123,031
Commercial Real Estate Portfolio Segment [Member] |
Financing Receivable, Past Due [Line Items] |
Number of deferred loans | Loans | 126
Unpaid Principal Balance | $ | $ 688,336
Commercial Construction Portfolio Segment [Member] |
Financing Receivable, Past Due [Line Items] |
Number of deferred loans | Loans | 15
Unpaid Principal Balance | $ | $ 73,670
Residential Real Estate Portfolio Segment [Member] |
Financing Receivable, Past Due [Line Items] |
Number of deferred loans | Loans | 101
Unpaid Principal Balance | $ | $ 52,312
Consumer Portfolio Segment [Member] |
Financing Receivable, Past Due [Line Items] |
Number of deferred loans | Loans | 2
Unpaid Principal Balance | $ | $ 23

X
- Definition Amount of deferred loan. + References No definition available. + Details
Name: | cnob_DeferredLoan
Namespace Prefix: | cnob_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of deferred loans. + References No definition available. + Details
Name: | cnob_NumberOfDeferredLoans
Namespace Prefix: | cnob_
Data Type: | xbrli:integerItemType
Balance Type: | na
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_FinancingReceivableRecordedInvestmentPastDueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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: |