Accounts Receivable (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended			9 Months Ended	3 Months Ended		9 Months Ended		3 Months Ended				9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	Sep. 30, 2014 Product Concentration Risk [Member] Allowance for Doubtful Accounts [Member]	Sep. 30, 2014 Ambulatory Services [Member] Other Operating Expenses [Member]	Sep. 30, 2013 Ambulatory Services [Member] Other Operating Expenses [Member]	Sep. 30, 2014 Ambulatory Services [Member] Other Operating Expenses [Member]	Sep. 30, 2013 Ambulatory Services [Member] Other Operating Expenses [Member]	Sep. 30, 2014 Physician Services [Member]		Sep. 30, 2014 Physician Services [Member]	Sep. 30, 2013 Physician Services [Member]	Sep. 30, 2014 Physician Services [Member]	Sep. 30, 2013 Physician Services [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Bad debt expense	$ 69,715	$ 16,382			$ 5,700	$ 5,600	$ 16,500	$ 16,200	$ 53,193	[1]	$ 53,193	$ 0	$ 53,193	$ 0
Allowance for doubtful accounts related to fee for service patient visits				64.00%
Allowances for accounts receivable	$ 83,541		$ 27,862

[1] Net revenue by payor is from the period July 16, 2014, the date of the acquisition, through September 30, 2014. As such, historical amounts are not included.