XML 127 R111.htm IDEA: XBRL DOCUMENT v3.22.0.1
Employee Benefit Plans (Schedule of Net Period Benefit Cost and Other Amounts Recognized in Other Comprehensive Income) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Changes in funded status recognized in other comprehensive loss, before taxes      
Total recognized in OCI, before taxes $ (850) $ 605 $ 1,671
Supplemental Executive Retirement Plan [Member]      
Net period benefit cost      
Service cost 504 464 395
Interest cost 389 460 523
Recognized net actuarial loss(2) 778 623 240
Net periodic benefit cost 1,671 1,547 1,158
Changes in funded status recognized in other comprehensive loss, before taxes      
Net actuarial loss (gain) arising during period 222 911 1,524
Amortization of net unrecognized actuarial loss (778) (623) (240)
Total recognized in OCI, before taxes (556) 288 1,284
Total recognized in net periodic benefit cost and OCI, before taxes 1,115 1,835 2,442
Other Postretirement Benefits Plan [Member]      
Net period benefit cost      
Service cost 26 28 48
Interest cost 103 123 148
Recognized net actuarial loss(2) 116 78 31
Amortization of prior service credit(2) (24) (24) (24)
Net periodic benefit cost 221 205 203
Changes in funded status recognized in other comprehensive loss, before taxes      
Net actuarial loss (gain) arising during period (202) 371 394
Amortization of net unrecognized actuarial loss (116) (78) (31)
Amortization of prior service credit 24 24 24
Total recognized in OCI, before taxes (294) 317 387
Total recognized in net periodic benefit cost and OCI, before taxes $ (73) $ 522 $ 590