Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 30, 2014		Dec. 31, 2013
Investments in real estate, variable interest entities	$ 66,132		$ 65,275
Cash and cash equivalents	133,576		112,512
Restricted cash held in escrows, variable interest entities	5,034		7,340
Allowances on accounts receivable	149		414
Allowances on accrued rental income	339		0
Lease intangibles, variable interest entities	18,925		20,043
Mortgage loans payable, variable interest entities	92,664		90,404
Notes payable, variable interest entities	982		942
Below market lease intangibles, variable interest entities	449		527
Series D Cumulative Redeemable Preferred Shares, liquidation preference	$ 25		$ 25
Series D Cumulative Redeemable Preferred Shares, shares authorized	5,060,000		5,060,000
Series D Cumulative Redeemable Preferred Shares, shares issued	4,820,000		4,820,000
Series D Cumulative Redeemable Preferred Shares, shares outstanding	4,820,000		4,820,000
Common Shares, par value	$ 1		$ 1
Common Shares, shares authorized		[1]		[1]
Common Shares, shares issued	36,417,584		36,401,438
Common Shares, shares outstanding	36,417,584		36,401,438
Variable Interest Entities [Member]
Cash and cash equivalents	$ 1,180		$ 1,163

[1] Unlimited