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Assets Held for Sale and Discontinued Operations (Narrative) (Details) $ in Millions	Dec. 31, 2019 business	Dec. 31, 2018 USD ($) business	Sep. 30, 2018 business	Dec. 31, 2016 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number Of Business Closed | business	3	3	3
Discontinued Operations, Disposed of by Sale [Member] | KENTUCKY
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Consideration		$ 0.9
Discontinued Operations, Disposed of by Sale [Member] | Tennessee
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Consideration				$ 0.6

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Number Of Business Closed

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