Rendering

Component: (Network and Table)
Network
098 - Disclosure - Note 13 - Employee and Postretirement Benefit Plans - Assumptions Used to Determine Net Periodic Benefit Cost (Details)
(http://www.cnbankpa.com/20161231/role/statement-note-13-employee-and-postretirement-benefit-plans-assumptions-used-to-determine-net-periodic-benefit-cost-details)
TableStatement [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000810958 (http://www.sec.gov/CIK)
Scenario [Axis]Scenario, Unspecified [Domain]
Statement [Line Items]Period [Axis]
2016-01-01 - 2016-12-31
2015-01-01 - 2015-12-31
2014-01-01 - 2014-12-31
Defined Benefit Plans and Other Postretirement Benefit Plans [Axis]Defined Benefit Plans and Other Postretirement Benefit Plans [Axis]Defined Benefit Plans and Other Postretirement Benefit Plans [Axis]
Pension Plan [Member]Other Postretirement Benefit Plan [Member]Pension Plan [Member]Other Postretirement Benefit Plan [Member]Pension Plan [Member]Other Postretirement Benefit Plan [Member]
Discount rate
4.30%  
4.25%  
3.75%  
4.00%  
4.50%  
4.00%  
Expected return on plan assets
5.00%  
 
5.31%  
 
5.31%  
 
Discount rate
4.05%  
4.25%  
4.30%  
4.25%