Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2011

Significant Accounting Policies [Abstract]

Company's share-based payment arrangements

		September 30,			September 30,			September 30,
	2011			2010			2009
Expensed	$	2,359		$	4,395		$	5,705
Amounts capitalized		(191	)		(282	)		(451	)
	$	2,168		$	4,113		$	5,254

Weighted average shares basic and diluted

		September 30,		September 30,		September 30,
	2011		2010		2009
Weighted average shares—basic		103,651		101,440		65,495
Dilutive potential common shares—stock options		—		—		—
Weighted average shares—diluted		103,651		101,440		65,495

Anti-dilutive Options

		September 30,		September 30,		September 30,
	2011		2010		2009
Anti-dilutive options		5,836		6,460		6,944