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Pension Plans (Narrative) (Details) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 USD ($) loan | Jun. 30, 2021 USD ($) | Jun. 30, 2022 USD ($) loan | Jun. 30, 2021 USD ($)
Retirement Benefits [Abstract] |  |  |  |
Number of defined benefit plans | loan | 2 |  | 2 |
Net periodic pension cost (income) | $ 51,000 | $ 126,000 | $ 102,000 | $ 317,000
Contributions to plan |  |  | 0 |
Expected contributions to plan | $ 0 |  | $ 0 |

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