Rendering

Component: (Network and Table)
Network
2410405 - Disclosure - Retirement Plans, Components of Net Periodic Benefit Cost for the Pension and Postretirement Tables (Details)
(http://www.associatedbank.com/role/RetirementPlansComponentsOfNetPeriodicBenefitCostForPensionAndPostretirementTablesDetails)
TableSchedule of Defined Benefit Plans Disclosures [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000007789 (http://www.sec.gov/CIK)
Defined Benefit Plan Disclosure [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]
Retirement Account PlanPostretirement PlanRetirement Account PlanPostretirement PlanRetirement Account PlanPostretirement Plan
Net period benefit cost for the pension and postretirement plans
 
 
 
 
 
 
Service cost
6,780,000  
0  
11,257,000  
0  
11,058,000  
0  
Interest cost
7,121,000  
142,000  
6,617,000  
141,000  
7,132,000  
150,000  
Expected return on plan assets
(20,287,000) 
 
(21,438,000) 
 
(19,922,000) 
 
Prior service cost
(73,000) 
0  
50,000  
0  
58,000  
0  
Actuarial (gain) loss
2,115,000  
0  
2,256,000  
0  
1,384,000  
(35,000) 
Total net pension cost
(4,344,000) 
 
142,000  
 
(1,258,000) 
 
141,000  
 
(290,000) 
 
115,000