Income Taxes (Tax Effect of Significant Temporary Differences) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Document Fiscal Year Focus	2013
Tax effect of significant temporary differences representing deferred tax assets and liabilities
Income from unconsolidated joint ventures	$ 7,361	$ 7,846
Land	6,116	11,219
Long-term incentive equity awards	2,089	2,126
For-sale multi-family units basis differential	0	233
Interest Carryforward	13,158	13,158
Federal and state tax carryforwards	50,253	44,075
Other	364	323
Total deferred tax assets	79,341	78,980
Valuation allowance	(79,341)	(78,980)
Net deferred tax asset	$ 0	$ 0