XML 75 R61.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Loans and the Allowance for Credit Losses (Details) $ in Thousands |  | 12 Months Ended |
--- | --- | --- | ---
Jan. 02, 2021 USD ($) | Dec. 31, 2021 USD ($) Loans | Dec. 31, 2020 USD ($) Loans | Dec. 31, 2019 USD ($)
LOANS AND THE ALLOWANCE FOR LOAN LOSSES (Details) [Line Items] |  |  |  |
PPP Loans |  | $ 93,100 | $ 397,500 |
Non Accrual Contractual Due |  | 90 days |  |
Loans Pledged as Collateral |  | $ 2,500,000 | 2,700,000 |
Provision for credit losses | $ 6,600 |  |  |
Loans performing under the restructured terms |  | 43,600 | 23,700 |
Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans |  | 35,900 | 25,700 |
Troubled debt restructurings |  | 79,500 | 49,400 |
Specific allowance of TDR's |  | $ 10,400 | $ 0 |
Number of deferred loans | Loans |  | 1 | 113 |
Deferred loan |  | $ 500 | $ 207,100 |
Taxi medallion loans [Member] |  |  |  |
LOANS AND THE ALLOWANCE FOR LOAN LOSSES (Details) [Line Items] |  |  |  |
Number of loans |  | one taxi medallion loan |  |
Value of taxi medallion loans Included in the commercial loan segment of the troubled debt restructurings |  |  |  | $ 300

X
- Definition Provision for loan losses associated with impacts of the COVID-19 pandemic. + References No definition available. + Details
Name: | cnob_AllowanceForLoanLossesIncludedInUnallocated
Namespace Prefix: | cnob_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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 Loans and the allowance for loan losses details line items. + References No definition available. + Details
Name: | cnob_LOANSANDTHEALLOWANCEFORLOANLOSSESDetailsLineItems
Namespace Prefix: | cnob_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Loans performing under the restructured terms + References No definition available. + Details
Name: | cnob_LoansPerformingUnderRestructuredTerms
Namespace Prefix: | cnob_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Non accrual contractual due. + References No definition available. + Details
Name: | cnob_NonAccrualContractualDue
Namespace Prefix: | cnob_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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 Number of loans. + References No definition available. + Details
Name: | cnob_NumberOfLoans
Namespace Prefix: | cnob_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Paycheck protection program loans. + References No definition available. + Details
Name: | cnob_PaycheckProtectionProgramLoans
Namespace Prefix: | cnob_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Specific allowance of TDR's. + References No definition available. + Details
Name: | cnob_SpecificAllowanceOfTroubledDebtRestructuring
Namespace Prefix: | cnob_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Value of taxi medallion loans Included in the commercial loan segment of the troubled debt restructurings. + References No definition available. + Details
Name: | cnob_ValueOfTaxiMedallionLoansIncludedInCommercialLoanSegmentOfTroubledDebtRestructurings
Namespace Prefix: | cnob_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Reflects the amount of additional interest income that would have been recorded if impaired or nonperforming loans were instead current, in compliance with their original terms, and outstanding throughout the reporting period or since origination (if held for part of the period). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121585226&loc=d3e18794-111554 + Details
Name: | us-gaap_LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Carrying amount as of the balance sheet date of loans that have been pledged as collateral for borrowings. If the secured party has the right by contract or custom to sell or re-pledge the collateral, then the debtor reclassifies that asset and report that asset in its statement of financial position separately from other assets not so encumbered. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66007379&loc=d3e113888-111728 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5086-111524 + Details
Name: | us-gaap_LoansPledgedAsCollateral
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition For a debtor, the gain (loss) recognized on the transfer of assets, after the impact of income tax expense or benefit, arising from the difference between the book value of the assets transferred before the restructuring and the fair value of the assets transferred. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 60 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6402221&loc=d3e15743-112638 + Details
Name: | us-gaap_TroubledDebtRestructuringDebtorCurrentPeriodGainLossOnTransferOfAssetsNetOfTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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