Debt Debt (Schedule of Debt) (Captions) (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount	$ 5,889
Debt Instrument, Name, Q3 2014 HUD Mortgages [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount	1,466	$ 1,487
Debt Instrument, Name, Convertible Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount	$ 4,423	$ 4,717

The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

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=6451184&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=34725769&loc=d3e28878-108400

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