Revenue Recognition and Valuation Accounts (Tables)

3 Months Ended

Mar. 31, 2013

Revenue Recognition and Valuation Accounts [Abstract]

Schedule of allowance for contractual discounts and estimated uncompensated care as a percentage of gross accounts receivable

	March 31, 2013			December 31, 2012
Allowance for Contractual Discounts		39	%		38	%
Allowance for Uncompensated Care		33	%		33	%