Consolidated Statements of Cash Flows Supplemental Information (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Other Significant Noncash Transactions [Line Items]
Interest paid, net of amounts capitalized	$ 21,216	$ 23,142	$ 25,960
Income taxes paid (refunded), net	90	63	(551)
Non-Cash Transactions:
Transfer from operating properties to operating properties and related assets held for sale	24,554	1,866	0
Transfer from projects under development to operating properties	25,629	0	0
Transfer from other assets to projects under development	3,062	0	0
Transfer from other assets to investment in joint venture	0	0	6,193
Transfer from land to operating properties	0	0	5,159
Decrease in land and notes payable due to foreclosure	0	0	3,374
Adjustments to property expenditures for amounts included in accounts payable	0	0	1,559
Change in fair value of redeemable noncontrolling interests	0	0	766
Retained Earnings [Member]
Non-Cash Transactions:
Change in fair value of redeemable noncontrolling interests			$ 0