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BUSINESS COMBINATIONS (Details) - Loans Accounted for in Accordance with ASC 310-30 (USD $) | Dec. 31, 2014 | Jul. 01, 2014
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ASC 310-30 Loans |  |
Fair value of acquired loans | $ 1,028,000 us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet |
Loans accounted for in accordance with FASB ASC 310-30 [Member] |  |
ASC 310-30 Loans |  |
Contractual principal and accrued interest at acquisition |  | 23,284 us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesOutstandingBalance / us-gaap_DebtInstrumentAxis = cnob_LoansAccountedForInAccordanceWithFasbAsc31030Member
Principal not expected to be collected (nonaccretable discount) |  | (6,942)cnob_ContractualCashFlowsNotExpectedToBeCollectedNonaccretableDifference / us-gaap_DebtInstrumentAxis = cnob_LoansAccountedForInAccordanceWithFasbAsc31030Member
Expected cash flows at acquisition |  | 16,342 us-gaap_CertainLoansAcquiredInTransferAccretableYield / us-gaap_DebtInstrumentAxis = cnob_LoansAccountedForInAccordanceWithFasbAsc31030Member
Interest component of expected cash flows (accretable discount) |  | (5,013)cnob_InterestComponentOfExpectedCashFlowsAccretableDiscount / us-gaap_DebtInstrumentAxis = cnob_LoansAccountedForInAccordanceWithFasbAsc31030Member
Fair value of acquired loans |  | $ 11,329 us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesCarryingAmountNet / us-gaap_DebtInstrumentAxis = cnob_LoansAccountedForInAccordanceWithFasbAsc31030Member

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- Definition Contractual cash flows not expected to be collected (nonaccretable) difference. + References No definition available. + Details
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- Definition Interest component of expected cash flows (accretable discount). + References No definition available. + Details
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- Definition The aggregate excess of a loan's cash flows expected to be collected over the investor's initial investment in the loan. This relates to loans with deteriorating of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable. + References No definition available. + Details
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- Definition The recorded balance, net of any applicable reductions (for example, unamortized accretable yield and allowance for loan losses). This relates to loans not accounted for debt securities with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 15 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=27045933&loc=d3e13503-111538 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 + Details
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- Definition The undiscounted sum of all amounts, including amounts deemed principal, interest, fees, penalties, and other under the loan, owed to the investor at the reporting date, whether or not currently due and whether or not any such amounts have been written or charged off by the investor. This relates to loans not accounted for as debt securities, with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 15 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=27045933&loc=d3e13503-111538 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 + Details
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