Restructuring and Impairment Charges (Narrative) (Details) $ in Thousands	Mar. 31, 2021 USD ($)
Shoals Facility [Member]
Restructuring Cost and Reserve [Line Items]
Book value of property, plant, and equipment included in sale	$ 10,148

Amount classified as property, plant and equipment attributable to disposal group held for sale or disposed of.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant