Noncontrolling Interest - Operating Partnership/Limited Partners' Equity - Preferred Units (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Jun. 30, 2014	Dec. 31, 2013
Limited Partners' Capital Account - Preferred Units [Line Items]
Preferred Units, Outstanding	0	0
Series I 2 [Member]
Limited Partners' Capital Account - Preferred Units [Line Items]
Noncontrolling Interest in Operating Partnerships	$ 7,537
Preferred Units, Outstanding	301,483	301,483
Redeemable Preferred Units Liquidation Preference	$ 25
Preferred Stock Dividends Rate Percentage Or Per Dollar Amount	6.25%