XML 79 R51.htm IDEA: XBRL DOCUMENT
v3.3.0.814

Loans and the Allowance for Loan and Lease Losses (Details) - Schedule of accretable yield, or income expected to be collected - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015
Schedule of accretable yield, or income expected to be collected [Abstract] |  |  |
Beginning balance | $ 4,678 | $ 5,013 | $ 4,805
Accretion of income | (53) | (76) | (180)
Ending balance | $ 4,625 | $ 4,937 | $ 4,625

X
- Definition Loans and leases receivable purchased loans. + References No definition available. + Details
Name: | cnob_LoansAndLeasesReceivablePurchasedLoans
Namespace Prefix: | cnob_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Loans and leases receivable purchased loans accretion of income. + References No definition available. + Details
Name: | cnob_LoansAndLeasesReceivablePurchasedLoansAccretionOfIncome
Namespace Prefix: | cnob_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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