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The amount recovered from insurance. These recoveries reduce costs and losses that are reported as a separate line item under operating expenses.

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Amount awarded from other party in judgment or settlement of litigation.

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No definition available.

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Amount awarded to other party in judgment or settlement of litigation.

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No definition available.

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Number of claims dismissed.

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No definition available.

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Amount of damages awarded to the plaintiff in the legal matter.

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The effective date of a duly executed litigation settlement agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Contingencies - Additional Information (Details) $ in Thousands				1 Months Ended	3 Months Ended		12 Months Ended
	Nov. 01, 2018 USD ($)	Sep. 28, 2018 USD ($)	Jun. 27, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2018 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Other Commitments [Line Items]
Gain (loss) related to litigation settlement							$ 0	$ 526,827	$ 0
US Attorney Prescription Drug Investigation
Other Commitments [Line Items]
Litigation settlement amount awarded to other party				$ 63,700
U.S. Department of Veterans Affairs (VA)
Other Commitments [Line Items]
Litigation settlement amount awarded from other party						$ 538,000
Gain (loss) related to litigation settlement						$ (529,504)		527,000
OIG Medicare Advantage Civil Investigation
Other Commitments [Line Items]
Litigation settlement amount awarded to other party		$ 270,000
Settlement agreement date		September 28, 2018
White, Kathleen, Et Al
Other Commitments [Line Items]
Litigation settlement amount awarded to other party	$ 25,500
Settlement agreement date			Jun. 27, 2018
Number of claims dismissed	3
Insurance recoveries					$ 9,200
Operating Income (Loss) \| U.S. Department of Veterans Affairs (VA)
Other Commitments [Line Items]
Gain (loss) related to litigation settlement								530,000
Noncontrolling Interest \| U.S. Department of Veterans Affairs (VA)
Other Commitments [Line Items]
Gain (loss) related to litigation settlement								9,000
Equity Method Investments \| Noncontrolling Interest \| U.S. Department of Veterans Affairs (VA)
Other Commitments [Line Items]
Gain (loss) related to litigation settlement								$ 3,000
Incremental Cash Portion \| US Attorney Prescription Drug Investigation
Other Commitments [Line Items]
Litigation settlement amount awarded to other party				41,500
Cash Paid For Portion Previously Refunded \| US Attorney Prescription Drug Investigation
Other Commitments [Line Items]
Litigation settlement amount awarded to other party				$ 22,200
Compensatory Damages \| White, Kathleen, Et Al
Other Commitments [Line Items]
Value of damages awarded			$ 8,500
Punitive Damages \| White, Kathleen, Et Al
Other Commitments [Line Items]
Value of damages awarded			$ 375,000