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Divested Operations Assets Held for Sale and Discontinued Operations (Assets held for sale and discontinued operations) (Details) - Tennessee - Discontinued Operations, Disposed of by Sale [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues	$ 1,070	$ 2,643	$ 805
Operating income	6	159	(569)
Net gain on disposal	(62)	(6,749)	(3,883)
Income tax provision	16	2,135	1,288
Income from discontinued operations, net of tax	$ (40)	$ (4,455)	$ (3,164)

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Amount of tax (expense) benefit on (gain) loss recognized for the (reversal of write-down) write-down to fair value, less cost to sell, of a discontinued operation.

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