Summary of Significant Accounting Policies - Table 6 (Details)	12 Months Ended
	Dec. 31, 2015
Certificate of Need [Member]
Estimated Useful Lives and Amortization Basis of Other Intangible Assets
Finite-Lived Intangible Assets, Amortization Method	straight-line
Certificate of Need [Member] | Maximum [Member]
Estimated Useful Lives and Amortization Basis of Other Intangible Assets
Finite-Lived Intangible Assets, Useful Life	30 years
Certificate of Need [Member] | Minimum [Member]
Estimated Useful Lives and Amortization Basis of Other Intangible Assets
Finite-Lived Intangible Assets, Useful Life	10 years
Licenses [Member]
Estimated Useful Lives and Amortization Basis of Other Intangible Assets
Finite-Lived Intangible Assets, Amortization Method	straight-line
Licenses [Member] | Maximum [Member]
Estimated Useful Lives and Amortization Basis of Other Intangible Assets
Finite-Lived Intangible Assets, Useful Life	20 years
Licenses [Member] | Minimum [Member]
Estimated Useful Lives and Amortization Basis of Other Intangible Assets
Finite-Lived Intangible Assets, Useful Life	10 years
Noncompete Agreements [Member]
Estimated Useful Lives and Amortization Basis of Other Intangible Assets
Finite-Lived Intangible Assets, Amortization Method	straight-line
Noncompete Agreements [Member] | Maximum [Member]
Estimated Useful Lives and Amortization Basis of Other Intangible Assets
Finite-Lived Intangible Assets, Useful Life	18 years
Noncompete Agreements [Member] | Minimum [Member]
Estimated Useful Lives and Amortization Basis of Other Intangible Assets
Finite-Lived Intangible Assets, Useful Life	1 year
Trade Names [Member]
Estimated Useful Lives and Amortization Basis of Other Intangible Assets
Finite-Lived Intangible Assets, Amortization Method	straight-line
Trade Names [Member] | Maximum [Member]
Estimated Useful Lives and Amortization Basis of Other Intangible Assets
Finite-Lived Intangible Assets, Useful Life	20 years
Trade Names [Member] | Minimum [Member]
Estimated Useful Lives and Amortization Basis of Other Intangible Assets
Finite-Lived Intangible Assets, Useful Life	1 year
Internal Use Software [Member]
Estimated Useful Lives and Amortization Basis of Other Intangible Assets
Finite-Lived Intangible Assets, Amortization Method	straight-line
Internal Use Software [Member] | Maximum [Member]
Estimated Useful Lives and Amortization Basis of Other Intangible Assets
Finite-Lived Intangible Assets, Useful Life	7 years
Internal Use Software [Member] | Minimum [Member]
Estimated Useful Lives and Amortization Basis of Other Intangible Assets
Finite-Lived Intangible Assets, Useful Life	3 years
Market access assets [Member]
Estimated Useful Lives and Amortization Basis of Other Intangible Assets
Finite-Lived Intangible Assets, Amortization Method	accelerated
Finite-Lived Intangible Assets, Useful Life	20 years