XML 50 R41.htm IDEA: XBRL DOCUMENT v3.22.2
Employee Retirement Plans (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Employee Retirement Plans        
Service cost $ 111 $ 102 $ 223 $ 204
Interest cost 445 371 877 742
Expected return on plan assets (750) (720) (1,502) (1,440)
Net amortization and deferral 230 247 438 494
Pension expense $ 36 $ 0 $ 36 $ 0