Real Estate and Lending Activities - Twelve Oaks Facility - Additional Information (Detail) - Twelve Oaks Facility [Member]	3 Months Ended
	Mar. 31, 2016 USD ($)
Business Acquisition [Line Items]
Straight line rent receivables write-off	$ 0
Outstanding amount receivable from tenant	100,000
Letter of credit outstanding	500,000
Lease termination payment	$ 1,500,000