Selected Quarterly Financial Data (Unaudited) (Details Textual) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
Dec. 31, 2012 segment	Dec. 31, 2013	Dec. 31, 2012	Jan. 01, 2012
Company's quarterly financial data
Number of divested operating segments	1
Loss on sale of discontinued operation, net of tax		$ 0	$ 22,566	$ 0
Impact of REIT election	79,000	14,946	79,033	0
Residential Treatment Services
Company's quarterly financial data
Loss on sale of discontinued operation, net of tax	$ 14,600

Amount of gain (loss), after tax expense or benefit and not previously recognized, resulting from the sale of a business component.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 45

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e957-107759

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760

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