Acquisitions and Disposals (Details 1) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
Schedule of aggregate consideration paid and recognized identified assets acquired and liabilities assumed
Other assets and (liabilities)	$ (202)
Consideration
Cash	5,058
Fair value of total consideration transferred	5,058
Acquisition-related costs (included in general and administrative expenses)	182
Total identifiable assets	2,275
Noncontrolling interest	1,636
Goodwill, including noncontrolling interest of $902000	4,419
Trade Names [Member]
Schedule of aggregate consideration paid and recognized identified assets acquired and liabilities assumed
Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets	1,895
Certificate of Need/ License [Member]
Schedule of aggregate consideration paid and recognized identified assets acquired and liabilities assumed
Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets	519
Other Identifiable Intangible Assets [Member]
Schedule of aggregate consideration paid and recognized identified assets acquired and liabilities assumed
Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets	$ 63