Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)	0 Months Ended		12 Months Ended
	Mar. 23, 2012	Nov. 18, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Schedule Of Earnings Per Share Basic And Diluted [Line Items]
Net income loss related to lease termination fee income						$ 450,000
Estimated useful lives of buildings			40 years
Maturity period of highly liquid investments			three months or less
Rent adjustment (decreased) increased revenue			(862,000)	2,177,000	872,000
Straight line rent receivables			19,760,000	17,241,000
Percentage of taxable income distributed to shareholders			90.00%
Percentage of TRS stock cannot exceed of Trust's total assets			25.00%
Income tax expense			0
Deferred tax assets and liabilities, net			0
Exceed value of total assets			0.00%
Series D Preferred Shares, par value	$ 1
Net proceeds	77,563,000			77,563,000	38,378,000
Repurchase of cumulative convertible redeemable preferred shares, percentage		100.00%
Series C Preferred Shares accrued dividend		25,000,000		742,000
Restricted common shares issued			600,000
Dividends paid or accrued per Series C Preferred Share			$ 0.40625
Preferred Stock, liquidation preference percentage			6.50%
WRT-NV ST Holdings LLC [Member]
Schedule Of Earnings Per Share Basic And Diluted [Line Items]
Percentage of indirect ownership interest			33.00%
Overstatement of Other Liabilities [Member]
Schedule Of Earnings Per Share Basic And Diluted [Line Items]
Out of period adjustment amount			1,300,000
Overstatement of Depreciation Expense [Member]
Schedule Of Earnings Per Share Basic And Diluted [Line Items]
Out of period adjustment amount			21,000
Overstatement of Building [Member]
Schedule Of Earnings Per Share Basic And Diluted [Line Items]
Out of period adjustment amount			1,300,000
Series B One Preferred Stock [Member]
Schedule Of Earnings Per Share Basic And Diluted [Line Items]
Repurchases of series B-1 Preferred Shares		$ 100,000
Series D Preferred Shares of Beneficial Interest [Member]
Schedule Of Earnings Per Share Basic And Diluted [Line Items]
Number of Shares Issued / Repurchase	3,220,000
Series D Cumulative Redeemable Preferred Shares	$ 25.0385
Dividends paid or accrued per Series C Preferred Share			$ 2.31	$ 2.31