Supplemental Cash Flow Disclosures

12 Months Ended

Dec. 31, 2011

Supplemental Cash Flow Disclosures [Abstract]

Supplemental Cash Flow Disclosures

17 SUPPLEMENTAL CASH FLOW DISCLOSURES

Supplemental cash flow information including non-cash financing and investing activities for the years ended December 31, 2011, 2010 and 2009 are as follows:

	2011			2010		2009
Supplemental disclosures:
Cash paid for interest, net of capitalized interest	$	126,267		$	117,292	$	121,800
Interest capitalized		5,255			9,384		8,900
Non-cash investing and financing activities:
Mortgage loans assumed associated with property acquisitions		—			155,639		—
Mortgage note premium written off		(17	)		270		1,921
Issuance of UPREIT Units associated with property acquisitions		—			4,845		—
Exchange of UPREIT Units for common shares		11,399			10,234		21,332
Transfers of construction in progress to buildings, improvements and equipment		100,266			110,902		—
Additions to properties included in accounts payable		6,577			5,292		2,210
Net real estate disposed in connection with VIE deconsolidation		—			13,837		—
Other assets disposed in connection with VIE deconsolidation		—			1,228		—
Mortgage debt disposed in connection with VIE deconsolidation		—			15,762		—
Other liabilities disposed in connection with VIE deconsolidation		—			1,031		—