Rendering

Component: (Network and Table)
Network
1082 - Disclosure - Employee Benefit Plans - Change in Benefit Obligation (Detail)
(http://www.baybanks.com/taxonomy/role/DisclosureEmployeeBenefitPlansChangeInBenefitObligation)
TableDefined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001034594 (http://www.sec.gov/CIK)
Legal EntityEntity [Domain]
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
Benefit obligation, beginning of year
3,488,000  
668,000  
3,546,000  
771,000  
Service cost
 
22,000  
 
23,000  
Interest cost
134,000  
28,000  
131,000  
30,000  
Actuarial loss (gain)
17,000  
(170,000) 
(104,000) 
(147,000) 
Benefit payments
(279,000) 
(8,000) 
(85,000) 
(9,000) 
Settlement loss
38,000  
   
Benefit obligation, end of year
3,398,000  
 
540,000  
 
3,488,000  
 
668,000