Real Estate and Lending Activities - Development Activities - Additional Information (Detail) - Development Activities [Member] € in Millions, $ in Millions			1 Months Ended
	Jun. 16, 2015 EUR (€)	May. 05, 2015 USD ($)	Apr. 30, 2015 USD ($)	Jun. 30, 2015 Facility Property
Ernest Health, Inc [Member]
Significant Acquisitions and Disposals [Line Items]
Estimated total development cost		$ 19.2
First Choice [Member]
Significant Acquisitions and Disposals [Line Items]
Number of facilities leased | Facility				7
Number of property leased | Property				1
Acute Care Hospital [Member] | Adeptus Health [Member]
Significant Acquisitions and Disposals [Line Items]
Estimated total development cost			$ 250.0
Term of lease, years			15 years
Acute Care Hospital [Member] | Adeptus Health [Member] | Minimum [Member]
Significant Acquisitions and Disposals [Line Items]
Term of lease extension, years			3 years
Acute Care Hospital [Member] | Adeptus Health [Member] | Maximum [Member]
Significant Acquisitions and Disposals [Line Items]
Term of lease extension, years			5 years
Percentage change in annual consumer price index minimum rate			2.00%
IMED Hospitales [Member]
Significant Acquisitions and Disposals [Line Items]
Ownership interest percentage, parent	50.00%
IMED Hospitales [Member] | Acute Care Hospital [Member]
Significant Acquisitions and Disposals [Line Items]
Estimated total development cost | €	€ 21.4