XML 78 R66.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Stock-Based Compensation (Details) - Disclosure related to stock option plan $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2016 USD ($)
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Intrinsic value of options exercised | $ 398,890
Cash received from options exercised | 244,625
Tax benefit realized from options exercised | 53,631
Weighted average fair value of options granted |

X
- Definition Intrinsic value of options exercised. + References No definition available. + Details
Name: | cnob_IntrinsicValueOfOptionsExercised
Namespace Prefix: | cnob_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Cash received from options exercised. + References No definition available. + Details
Name: | cnob_ProceedsFromStockOptionsExercised1
Namespace Prefix: | cnob_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Weighted average fair value of options granted. + References No definition available. + Details
Name: | cnob_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageFairValue
Namespace Prefix: | cnob_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition Amount of cash inflow from realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 20 -Section 55 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=65896087&loc=d3e11374-113907 + Details
Name: | us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration