XML 52 R59.htm IDEA: XBRL DOCUMENT
v3.3.0.814

Loans and the Allowance for Loan and Lease Losses (Details) - Schedule of troubled debt restructuring by class $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2015 USD ($) | Sep. 30, 2014 USD ($)
Troubled debt restructurings: |  |
Number of Loans | 47 | 2
Pre-Modification Outstanding Recorded Investment | $ 75,363 | $ 725
Post-Modification Outstanding Recorded Investment | $ 75,363 | $ 366
Commercial Portfolio Segment [Member] |  |
Troubled debt restructurings: |  |
Number of Loans | 47 | 1
Pre-Modification Outstanding Recorded Investment | $ 75,363 | $ 672
Post-Modification Outstanding Recorded Investment | $ 75,363 | $ 315
Residential Portfolio Segment [Member] |  |
Troubled debt restructurings: |  |
Number of Loans |  | 1
Pre-Modification Outstanding Recorded Investment |  | $ 53
Post-Modification Outstanding Recorded Investment |  | $ 51

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

X
- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsNumberOfContracts2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Post-modification amount of investment in financing receivables modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Pre-modification amount of investment in financing receivables modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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_ResidentialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |