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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) - Allowance for Doubtful Accounts [Member] - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | [1] | Dec. 31, 2017 | Dec. 31, 2016
Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |  |
Beginning Balance |  | $ 2,273 | $ 1,792 |  | $ 1,642
Additions Charged to Cost and Expenses |  | 4,603 | 3,672 |  | 3,906
Additions Charged to Other Accounts |  | 0 | 0 |  | 0
Deductions | [2] | 4,204 | 3,191 |  | 3,756
Ending Balance |  | $ 2,672 | $ 2,273 | [1] | $ 1,792
[1] | Related to patient accounts receivable and accounts receivable-other.
[2] | Uncollectible accounts written off, net of recoveries.

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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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