Revenue Recognition and Valuation Accounts (Tables) |
6 Months Ended | |||||||||||||||||||||||||||||||||||
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Jun. 30, 2017 | ||||||||||||||||||||||||||||||||||||
| Revenue Recognition And Valuation Accounts [Abstract] | ||||||||||||||||||||||||||||||||||||
| Schedule of Allowance for Contractual Discounts and Estimated Uncompensated Care as a Percentage of Gross Segment Accounts Receivable | The allowance for contractual discounts and estimated uncompensated care (expressed as a percentage of gross segment accounts receivable) as of the dates listed below was as follows:
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