XML 88 R68.htm IDEA: XBRL DOCUMENT v3.22.1
EMPLOYEE BENEFIT PLANS (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Supplemental Employee Retirement Plan [Member]    
Net periodic pension cost    
Service cost $ 133 $ 126
Interest cost 115 97
Recognized net actuarial loss 216 195
Net period benefit cost 464 418
Other Postretirement Benefit Plan    
Net periodic pension cost    
Service cost 5 7
Interest cost 28 26
Recognized net actuarial loss 22 29
Amortization of prior service credit (6) (6)
Net period benefit cost $ 49 $ 56