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Benefit Plans (Estimated future benefit payments) (Details) $ in Thousands	Dec. 31, 2020 USD ($)
Retirement Benefits [Abstract]
2016	$ 416
2017	422
2018	421
2019	416
2020	426
Years 2021 - 2025	$ 2,322

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Amount of benefits for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following latest fiscal year.

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Amount of benefits for defined benefit plan expected to be paid in next fiscal year following latest fiscal year.

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Amount of benefits for defined benefit plan expected to be paid in fifth fiscal year following latest fiscal year.

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Amount of benefits for defined benefit plan expected to be paid in fourth fiscal year following latest fiscal year.

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Amount of benefits for defined benefit plan expected to be paid in third fiscal year following latest fiscal year.

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