Net Income (Loss) Per Common Share (Tables)

3 Months Ended

Mar. 31, 2014

Earnings Per Share [Abstract]

Reconciling the Components of Basic and Diluted Net Income (Loss) per Common Share

	Three Months Ended March 31,
	2014			2013
General Partner
Net income attributable to common shareholders	$	18,683		$	28,043
Less: Dividends on participating securities	(645		)	(688		)
Basic net income attributable to common shareholders	18,038			27,355
Noncontrolling interest in earnings of common unitholders	250			392
Diluted net income attributable to common shareholders	$	18,288		$	27,747
Weighted average number of common shares outstanding	327,106			314,936
Weighted average Limited Partner Units outstanding	4,387			4,405
Other potential dilutive shares	223			230
Weighted average number of common shares and potential dilutive securities	331,716			319,571
Partnership
Net income attributable to common unitholders	$	18,933		$	28,435
Less: Distributions on participating securities	(645		)	(688		)
Basic and diluted net income attributable to common unitholders	$	18,288		$	27,747
Weighted average number of Common Units outstanding	331,493			319,341
Other potential dilutive units	223			230
Weighted average number of Common Units and potential dilutive securities	331,716			319,571

Computation of Anti-Dilutive Common Share

	Three Months Ended March 31,
	2014	2013
General Partner and Partnership
Potential dilutive shares or units:
Anti-dilutive outstanding potential shares or units under fixed stock option and other stock-based compensation plans	1,215	1,378
Outstanding participating securities	3,841	4,078