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Pension (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Pension [Abstract]        
Service cost $ 85 $ 107 $ 171 $ 205
Interest cost 168 96 336 183
Expected return on plan assets (248) (280) (497) (554)
Settlement expense   90   198
Recognized net actuarial loss 149 283 299 568
Total pension expense $ 154 $ 296 $ 309 $ 600