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Pension Plans (Components of Pension Cost) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Service cost | $ 0 | $ 0 | $ 0 | $ 0
Interest cost | 295 | 313 | 885 | 782
Expected return on plan assets | (288) | (264) | (864) | (792)
Amortization of net (gain)/loss | 44 | 109 | 132 | 485
Net periodic pension cost | 51 | 158 | 153 | 475
Pension Plan |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Service cost | 0 | 0 | 0 | 0
Interest cost | 267 | 283 | 801 | 693
Expected return on plan assets | (288) | (264) | (864) | (792)
Amortization of net (gain)/loss | 180 | 106 | 540 | 474
Net periodic pension cost | 159 | 125 | 477 | 375
SERP |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Service cost | 0 | 0 | 0 | 0
Interest cost | 28 | 30 | 84 | 89
Expected return on plan assets | 0 | 0 | 0 | 0
Amortization of net (gain)/loss | (136) | 3 | (408) | 11
Net periodic pension cost | $ (108) | $ 33 | $ (324) | $ 100

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