CONSOLIDATED STATEMENTS OF EQUITY (USD $) In Thousands	Total	Common Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Parent [Member]	Preferred Stock [Member]	Noncontrolling Interest [Member]
Balance at Dec. 31, 2012	$ 711,725	$ (93,786)	$ 138,687	$ 44,901	$ 155,033	$ 511,791
Balance (in shares) at Dec. 31, 2012		42,512
Net income	35,957	38,825	0	38,825	3,678	(6,546)
Other comprehensive income	(38,243)	0	(19,781)	(19,781)	0	(18,462)
Distributions	(3,678)	0	0	0	(3,678)	0
Common shares, ( restricted and deferred) issued under employee and non-employee director share plans	50	50	0	50	0	0
Common shares, ( restricted and deferred) issued under employee and non-employee director share plans (in shares)		43
Mark-to-market activity for liability classified awards previously classified as equity	(18)	(18)	0	(18)	0	0
Employee and non-employee shares cancelled	0	0	0		0	0
Employee and non-employee shares cancelled (in shares)		(32)
Director stock based compensation	13	13	0	13	0	0
Common shares repurchases	(217)	(217)	0	(217)	0	0
Common shares repurchases (in shares)		(176)
Preferred shares repurchases	(36,213)	842	0	842	(37,055)	0
Contributions	3,590	0	0	0	0	3,590
Net change due to consolidation	6,737	0	0	0	0	6,737
Balance at Jun. 30, 2013	$ 679,703	$ (54,291)	$ 118,906	$ 64,615	$ 117,978	$ 497,110
Balance (in shares) at Jun. 30, 2013		42,347