XML 101 R47.htm IDEA: XBRL DOCUMENT v3.20.1
Retirement Plans (Tables)
 3 Months Ended
Mar. 31, 2020
Retirement Benefits [Abstract]  
Schedule of Net Periodic Benefit Cost Included in Non-interest Expense for the TCF Cash Balance Pension Plan and Postretirement Plan
The net periodic benefit plan (income) cost included in other noninterest expense for defined benefit pension plans and postretirement benefit plans were as follows:
 
Defined Benefit Pension Plans
 
Three Months Ended March 31,
(In thousands)
2020
 
2019
Interest cost
$
946

 
$
264

Return on plan assets
(957
)
 
(137
)
Net periodic benefit plan (income) cost
$
(11
)
 
$
127

 
Postretirement Benefit Plans
 
Three Months Ended March 31,
(In thousands)
2020
 
2019
Interest cost
$
36

 
$
30

Service cost
1

 
—

Amortization of prior service cost
(12
)
 
(12
)
Net periodic benefit plan (income) cost
$
25

 
$
18