Consolidated Statements of Cash Flows (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Cash flows from operating activities
Net income	$ 24,488,000	$ 24,384,000	$ 11,747,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization (including amortization of deferred financing costs and fair value of debt)	15,451,000	11,824,000	9,412,000
Amortization of lease intangibles	8,550,000	6,746,000	4,472,000
Straight-line rental income	669,000	(2,177,000)	(872,000)
Loan discount accretion	(4,121,000)	(8,333,000)	(13,401,000)
Discount accretion received in cash	37,000	15,720,000	13,290,000
Earnings of preferred equity investments	(613,000)		(338,000)
Distributions of income from preferred equity investments	607,000	97,000	571,000
(Income) loss of equity investments	(22,641,000)	(14,678,000)	12,712,000
Distributions of income from equity investments	24,112,000	21,593,000	12,696,000
Restricted cash held in escrows	1,242,000	(3,477,000)	1,431,000
Gain on sale of securities carried at fair value	(742,000)	(41,000)	(123,000)
Unrealized loss (gain) on securities carried at fair value	142,000	(6,916,000)	(2,788,000)
Gain on sale of real estate investments	(11,005,000)	(945,000)	(392,000)
Gain on sale of loan securities carried at fair value		(614,000)
Unrealized gain on loan securities carried at fair value	(215,000)	(447,000)	(2,738,000)
Impairment loss on investments in real estate	2,904,000	3,260,000	7,600,000
Loss (gain) on extinguishment of debt		121,000	(9,258,000)
Gain on consolidation of property			(818,000)
Provision for loss on loans receivable	348,000	0	0
Tenant leasing costs	(4,229,000)	(4,250,000)	(1,314,000)
Equity compensation expenses	897,000
Bad debt expense (recovery)	40,000	(265,000)	377,000
Changes in assets and liabilities:
Interest receivable	(214,000)	(516,000)	37,000
Accounts receivable and other assets	(1,316,000)	726,000	(785,000)
Accounts payable, accrued liabilities and other liabilities	(4,123,000)	4,623,000	(1,831,000)
Net cash provided by operating activities	30,268,000	46,435,000	39,687,000
Cash flows from investing activities
Issuance and acquisition of loans receivable	(21,437,000)	(163,800,000)	(67,619,000)
Investment in real estate	(257,142,000)	(37,678,000)	(9,751,000)
Investment in equity investments	(30,341,000)	(78,679,000)	(151,219,000)
Investment in preferred equity investment		(10,750,000)	(7,564,000)
Return of capital distribution from equity investments	14,618,000	84,026,000	31,890,000
Return of capital distribution from preferred equity investment	5,771,000
Return of capital distribution from securities carried at fair value	376,000
Purchase of securities carried at fair value		(5,655,000)	(19,321,000)
Proceeds from sale of investments in real estate	38,690,000	7,024,000	3,629,000
Proceeds from sale of equity investments	26,000	4,297,000	6,000,000
Proceeds from sale of securities carried at fair value	19,918,000	21,774,000	26,408,000
Proceeds from pay off of loan securities		6,359,000	8,748,000
Proceeds from sale of loan receivables	19,319,000
Restricted cash held in escrows	863,000	(5,600,000)	3,160,000
Issuance of secured financing receivable	(30,000,000)
Collection of loans receivable	56,088,000	68,824,000	70,289,000
Deposits on assets held for sale	500,000
Cash from consolidation of properties	473,000
Cash from foreclosure on properties		411,000
Net cash used in investing activities	(182,278,000)	(109,447,000)	(105,350,000)
Cash flows from financing activities
Proceeds from mortgage loans payable	198,100,000	36,897,000	32,494,000
Proceeds from notes payable		880,000
Payment of notes payable		(80,000)
Proceeds from revolving line of credit			67,324,000
Payment of revolving line of credit		(40,000,000)	(52,774,000)
Principal payments of mortgage loans payable	(22,287,000)	(25,584,000)	(72,574,000)
Proceeds from issuance of senior notes payable		86,250,000
Proceeds from secured financing		25,000,000	29,150,000
Payment of secured financing	(23,770,000)	(1,230,000)
Restricted cash held in escrows	(228,000)	(42,000)	89,000
Deferred financing costs	(796,000)	(4,198,000)	(788,000)
Purchase of non-controlling interests	(150,000)	(2,050,000)
Contribution from non-controlling interest	18,629,000	4,576,000	1,349,000
Distribution to non-controlling interest	(51,000)	(7,242,000)	(356,000)
Proceeds from issuance of Common Shares under Dividend Reinvestment Plan	464,000	517,000	2,760,000
Proceeds from issuance of Common Shares through offering, net	30,021,000		61,386,000
Buyback of Common Shares		(742,000)
Issuance of Series D Preferred Shares		77,563,000	38,378,000
Dividend paid on Common Shares	(21,919,000)	(21,488,000)	(19,496,000)
Dividend paid on Series C Preferred Shares			(624,000)
Dividend paid on Series D Preferred Shares	(11,146,000)	(9,285,000)	(339,000)
Dividend paid on Restricted Shares	(27,000)
Redemption of Series B-1 Preferred Shares			(21,400,000)
Redemption of Series C Preferred Shares			(3,221,000)
Net cash provided by financing activities	166,840,000	119,742,000	61,358,000
Net increase (decrease) in cash and cash equivalents	14,830,000	56,730,000	(4,305,000)
Cash and cash equivalents at beginning of year	97,682,000	40,952,000	45,257,000
Cash and cash equivalents at end of year	112,512,000	97,682,000	40,952,000
Supplemental Disclosure of Cash Flow Information
Interest paid	23,735,000	16,467,000	16,246,000
Capitalized interest	1,443,000
Taxes paid	247,000	332,000	396,000
Supplemental Disclosure on Non-Cash Investing and Financing Activities
Dividends accrued on Common Shares and Restricted Shares	6,099,000	5,366,000	5,396,000
Capital expenditures accrued	3,140,000	4,011,000	4,285,000
Assumption of mortgage loan on investment in real estate	9,248,000	13,600,000	49,091,000
Contribution to WRT-Elad One South State Equity L.P.	2,083,000
Distribution from WRT-One South State Lender LP	(2,083,000)
Fair value of assets acquired	62,208,000
Fair value of liabilities assumed	62,198,000
Transfer from preferred equity investments		3,923,000	7,843,000
Transfer from loans receivable	(877,000)	2,938,000
Transfer to equity investments		(6,861,000)	(5,035,000)
Transfer from equity investments		17,600,000	12,544,000
Transfer to loans receivable		(11,750,000)	(6,534,000)
Transfer to additional paid-in capital		(5,487,000)
Transfer to non-controlling interests		(363,000)
Transfer to preferred equity investments			(2,022,000)
Transfer to investments in lease intangibles			(11,904,000)
Transfer to investments in real estate			(52,778,000)
Transfer to below market lease intangibles			1,005,000
Transfer from loan securities			$ 662,000