Rendering

Component: (Network and Table)
Network
1088 - Disclosure - Employee Benefit Plans - Weighted-average Assumptions (Detail)
(http://www.baybanks.com/taxonomy/role/DisclosureEmployeeBenefitPlansWeightedaverageAssumptions)
TableDefined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table]
Slicers (applies to each fact value in each table cell)
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]Period [Axis]
2016-01-01 - 2016-12-31
2015-01-01 - 2015-12-31
Defined Benefit Plans and Other Postretirement Benefit PlansDefined Benefit Plans and Other Postretirement Benefit Plans
Pension Plan, Defined BenefitOther Postretirement Benefit Plan, Defined BenefitPension Plan, Defined BenefitOther Postretirement Benefit Plan, Defined Benefit
Discount rate used for Net Periodic Pension Cost
4.25%  
4.25%  
4.00%  
4.00%  
Discount Rate used for Disclosure
4.00%  
4.00%  
4.25%  
4.25%  
Expected return on plan assets
7.50%  
 
7.50%  
 
Rate of compensation increase
0.00%  
0.00%  
0.00%  
0.00%  
Rate of compensation increase for net periodic pension cost
0.00%  
0.00%  
0.00%  
0.00%  
Expected future interest crediting rate
3.00%  
 
3.00%