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Pension (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Pension [Abstract]
Pension expense	$ 296	$ 171	$ 600	$ 341

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Amount of net periodic benefit cost (credit) for defined benefit plan.

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