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Debt Debt (Schedule of Debt) (Captions) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount	$ 5,060
Debt Instrument, Name, Q3 2014 HUD Mortgages [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount	1,423	$ 1,487
Debt Instrument, Name, Convertible Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount	$ 3,637	$ 4,717

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount, after accumulated amortization, of debt discount.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28541-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

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