Supplemental Information to Statements of Cash Flows (Tables)

3 Months Ended

Mar. 31, 2015

Supplemental Cash Flow Information [Abstract]

Cash Flow Information

	Three Months Ended March 31, 2015			Three Months Ended March 31, 2014
Interest Expense Capitalized in Connection with Development Activity	$	459		$	380
Supplemental Schedule of Non-Cash Investing and Financing Activities:
Distribution Payable on Common Stock/Operating Partnership Units	$	14,912		$	11,921
Exchange of Operating Partnership Units for Common Stock:
Noncontrolling Interest	$	(95	)	$	(1,279	)
Common Stock	—			1
Additional Paid-in-Capital	95			1,278
Total	$	—		$	—
Assumption of Liabilities in Connection with the Acquisition of Real Estate	$	—		$	138
Accounts Payable Related to Construction in Progress and Additions to Investment in Real Estate	$	8,881		$	12,650
Write-off of Fully Depreciated Assets	$	(9,849	)	$	(9,863	)