Real Estate and Lending Activities - Development Activities - Additional Information (Detail) (Development Activities [Member], USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014
Twelve Oaks Facility [Member]
Significant Acquisitions and Disposals [Line Items]
Percentage of facility partially occupied	55.00%
Lease agreement	15 years
Northern Utah Rehabilitation Hospital [Member]
Significant Acquisitions and Disposals [Line Items]
Estimated total development cost	$ 19.0
First Choice ER. [Member]
Significant Acquisitions and Disposals [Line Items]
Estimated total development cost	$ 29.5
Number of facilities leased	8
Number of facilities under construction	2