Pension and Other Post Retirement Benefits (Tables)

3 Months Ended

Mar. 31, 2022

Defined Benefit Plan Disclosure [Line Items]

Schedule of components of net periodic benefit costs - pension plans [Table Text Block]

Three Months Ended March 31, 

Other

Pension Benefits

Postretirement Benefits

2022

2021

2022

2021

Service cost

$

180

$

316

$

(8)

$

1

Interest cost

1,360

1,090

9

11

Expected return on plan assets

(2,084)

(2,082)

—

—

Actuarial loss (gain) amortization

257

855

(24)

—

Prior service cost (income) amortization

2

2

1

—

Total net periodic benefit (income) cost

$

(285)

$

181

$

(22)

$

12