Presentation of Interim Information - Additional Information (Detail) (USD $)			9 Months Ended
	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2012 First Harrison Reit Incorporated Cumulative Preferred Stock Subject to Mandatory Redemption
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
12.5% redeemable cumulative preferred stock, dividend rate percentage			12.50%
12.5% redeemable cumulative preferred stock, shares issued			105
12.5% redeemable cumulative preferred stock, aggregate liquidation value			$ 105,000
Noncontrolling interest ownership percentage			0.20%