A summary of the changes in equity was as follows:



Six Months Ended June 30, 2014	Total Stockholders' Equity			Noncontrolling Interest			Total Equity
	(In thousands)
Balance at December 31, 2013	$	2,823,164		$	32,738		$	2,855,902
Net income (loss)	110,768			(1,302		)	109,466
Other comprehensive income	1,007			—			1,007
Dividends declared on preferred stocks	(342		)	—			(342		)
Dividends declared on common stock	(68,025		)	—			(68,025		)
Stock-based compensation	2,796			—			2,796
Issuance of common stock upon vesting of performance shares, net of shares used for tax withholdings	(5,564		)	—			(5,564		)
Net tax benefit on stock-based compensation	4,729			—			4,729
Issuance of common stock	131,973			—			131,973
Contribution from noncontrolling interest	—			32,500			32,500
Balance at June 30, 2014	$	3,000,506		$	63,936		$	3,064,442



Six Months Ended June 30, 2013	Total Stockholders' Equity			Noncontrolling Interest			Total Equity
	(In thousands)
Balance at December 31, 2012	$	2,648,248		$	—		$	2,648,248
Net income (loss)	103,027			(179		)	102,848
Other comprehensive loss	(8,100		)	—			(8,100		)
Dividends declared on preferred stocks	(342		)	—			(342		)
Dividends declared on common stock	(65,147		)	—			(65,147		)
Stock-based compensation	2,453			—			2,453
Net tax deficit on stock-based compensation	(1,419		)	—			(1,419		)
Contribution from noncontrolling interest	—			16,101			16,101
Balance at June 30, 2013	$	2,678,720		$	15,922		$	2,694,642