XML 71 R61.htm IDEA: XBRL DOCUMENT v3.22.2
Pension and Other Postretirement Benefits - The Components of the Net Pension (Benefit) Expense (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Employee Pension Plan [Member]        
Interest cost $ 138 $ 128 $ 276 $ 256
Amortization of actuarial (gain) loss 1 122 2 244
Expected return on plan assets (258) (274) (515) (548)
Net pension expense (benefit) (119) (24) (237) (48)
Directors' Plan [Member]        
Service cost 3 4 6 8
Interest cost 12 12 23 24
Amortization of actuarial (gain) loss (7) (5) (14) (10)
Net pension expense (benefit) 8 11 15 22
Other Post Retirement Benefit Plan Defined Benefit [Member]        
Service cost 67 73 134 146
Interest cost 69 58 139 116
Amortization of actuarial (gain) loss   16   16
Amortization of past service credit (7) (21) (14) (43)
Net pension expense (benefit) $ 129 $ 126 $ 259 $ 235