Percentage Of Beneficial Ownership

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- Definition

Amount of selling, general and administrative expenses resulting from transactions, excluding transactions that are eliminated in consolidated or combined financial statements, with related party.

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- Definition

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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- Definition

Price of a single share of a number of saleable stocks of a company.

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Number of shares of stock issued during the period pursuant to acquisitions.

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Value of stock issued pursuant to acquisitions during the period.

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Related Party Transactions - Additional Information (Detail) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Sep. 30, 2014	Mar. 18, 2014
Related Party Transaction [Line Items]
Expenses related to Services Agreement	$ 2.0	$ 1.4
Preferred Stock [Member] \| HCP Stockholders [Member]
Related Party Transaction [Line Items]
Stock Issued During Period, Shares, Acquisitions			23,000
Share Price				$ 11
Stock Issued During Period, Value, Acquisitions			253.0
Maximum [Member] \| Leucadia [Member]
Related Party Transaction [Line Items]
Percentage Of Beneficial Ownership			27.50%
Maximum [Member] \| Leucadia [Member]
Related Party Transaction [Line Items]
Percentage Of Beneficial Ownership			4.90%
Severance Cost, one time payments [Member]
Related Party Transaction [Line Items]
Severance Costs	20.5
Severance Cost, Accrued Bonus [Member]
Related Party Transaction [Line Items]
Severance Costs	16.5
Severance Cost, Future Bonus [Member]
Related Party Transaction [Line Items]
Severance Costs	$ 3.3