Consolidated Statement of Changes in Equity (USD $) In Thousands, unless otherwise specified		Total		Preferred Stock		HPU's	Common Stock at Par	Additional Paid-In Capital	Retained Earnings (Deficit)	Accumulated Other Comprehensive Income (Loss)	Treasury Stock at cost	Noncontrolling Interests
Balance at Dec. 31, 2011		$ 1,573,604		$ 22	[1]	$ 9,800	$ 140	$ 3,834,460	$ (2,078,397)	$ (328)	$ (237,341)	$ 45,248
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends declared-preferred		(21,160)		0		0	0	0	(21,160)	0	0	0
Repurchase of stock		(4,628)									(4,628)
Issuance of stock/restricted stock unit amortization, net		(3,543)		0		0	2	(3,545)	0	0	0	0
Net income (loss) for the period	[2]	(97,170)		0		0	0	0	(96,481)	0	0	(689)
Change in accumulated other comprehensive income (loss)		(379)		0		0	0	0	0	(379)	0	0
Repurchase of convertible notes		(2,728)		0		0	0	(2,728)	0	0	0	0
Contributions from noncontrolling interests		27,389	[3]	0		0	0	0	0	0	0	27,389	[3]
Distributions to noncontrolling interests		(606)		0		0	0	0	0	0	0	(606)
Balance at Jun. 30, 2012		$ 1,470,779		$ 22	[1]	$ 9,800	$ 142	$ 3,828,187	$ (2,196,038)	$ (707)	$ (241,969)	$ 71,342

[1] See Note 12 for details on the Company's Cumulative Redeemable Preferred Stock.

[2] For the six months ended June 30, 2012, net loss shown above excludes $7 of net loss attributable to redeemable noncontrolling interests.

[3] Includes $27.3 million of land assets contributed by a noncontrolling partner (see Note 5).