Related Party Transactions - Additional Information (Detail) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Related Party Transactions [Abstract]
Monthly base services fee			One-twelfth of 0.5% of the Company's Equity
Percentage of adjusted funds from operations			15.00%
Percentage of incentive fee paid in shares			20.00%
Services Agreement, amendment date			Nov. 09, 2011
Services Agreement, termination date			Dec. 31, 2013
Service fees	$ 100,000	$ 100,000	$ 200,000	$ 200,000
Incentive fee payable	1,500,000		1,500,000
Reimbursement for office related services	10,000		17,000
Accrued expenses outstanding	78,000		78,000
Warrant to purchase shares	652,500	652,500	652,500	652,500	652,500
Common stock, conversion rate	11.33		11.33		11.33
Warrant expiration date			Sep. 30, 2018
Notes receivable	3,300,000		3,300,000
Transaction expenses			$ 300,000