Summary of Significant Accounting Policies - Narative (Details) (USD $)	1 Months Ended	3 Months Ended	5 Months Ended	9 Months Ended	12 Months Ended			1 Months Ended					12 Months Ended
	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2010	Sep. 30, 2012	Dec. 31, 2012	Dec. 31, 2011	Sep. 21, 2011	Jan. 31, 2013 Subsequent event	Dec. 31, 2012 Advisors	Dec. 31, 2011 Advisors	Dec. 31, 2012 Advisors Organization and offering expense reimbursement Maximum	Dec. 31, 2012 CHC	Dec. 31, 2012 Building and capital improvements
Valuation of real estate and related assets [Line Items]
Acquired real estate asset, useful life													40 years
Restricted cash	$ 0	$ 122,000			$ 122,000	$ 0
Amortization of deferred financing costs			0		177,476	11,734
Organization and offering expense											0.75%
Due to affiliates	1,085,314	335,109			335,109	1,085,314			335,000	1,100,000
Common stock, shares authorized	490,000,000	490,000,000			490,000,000	490,000,000
Preferred stock, shares authorized	10,000,000	10,000,000			10,000,000	10,000,000
Common stock, par value	$ 0.01	$ 0.01			$ 0.01	$ 0.01
Offer amount limit before the owner is permitted to redeem any of its common stock shares					100,000,000
Dividend, common stock and preferred stock, number of days in the calendar year for the daily distribution					366 days
Daily distributions payable amount per share	$ 0.002260274	$ 0.002383836		$ 0.002254099
Distributions declared and unpaid	36,888	65,294	0		65,294	36,888
Common stock, shares outstanding	680,000	914,037			914,037	680,000	13,334					680,000
Common stock issued through distribution reinvestment plan			0		7,525	0		5,000
Redeemable common stock		$ 3,800,000			$ 3,800,000