| Component: (Network and Table) | |
|---|---|
| Network | 00000117 - Disclosure - Pension and Other Benefits (Details) - Schedule of Allocation of Plan Assets (http://connectonebancorp.com/role/PensionAndOtherBenefitsDetails-ScheduleOfAllocationOfPlanAssets) |
| Table | PENSION AND OTHER BENEFITS (Details) - Schedule of Allocation of Plan Assets [Table] |
| Reporting Entity [Axis] | 0000712771 (http://www.sec.gov/CIK) |
| PENSION AND OTHER BENEFITS (Details) - Schedule of Allocation of Plan Assets [Line Items] | Period [Axis] | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
2016-01-01 - 2016-12-31 | 2015-01-01 - 2015-12-31 | 2014-01-01 - 2014-12-31 | |||||||||
| Defined Benefit Plan, Asset Categories [Axis] | Defined Benefit Plan, Asset Categories [Axis] | Defined Benefit Plan, Asset Categories [Axis] | |||||||||
| Domestic Equity Securities [Member] | International Equity Securities [Member] | Debt And Fixed Income Securities [Member] | Cash And Other Alternative Investments [Member] | Plan Asset Categories [Domain] | Domestic Equity Securities [Member] | International Equity Securities [Member] | Debt And Fixed Income Securities [Member] | Cash And Other Alternative Investments [Member] | Plan Asset Categories [Domain] | Plan Asset Categories [Domain] | |
Equity Securities | |||||||||||
Target Allocation | |||||||||||
% of Plan Assets | |||||||||||
Weighted Average Expected Long-Term Rate of Return | 5.50% | 5.50% | 5.50% | ||||||||