A summary of the changes in equity was as follows:



Six Months Ended June 30, 2015	Total Stockholders' Equity			Noncontrolling Interest			Total Equity
	(In thousands)
Balance at December 31, 2014	$	3,134,041		$	115,743		$	3,249,784
Net loss	(535,521		)	(11,282		)	(546,803		)
Other comprehensive income	1,857			—			1,857
Dividends declared on preferred stocks	(342		)	—			(342		)
Dividends declared on common stock	(71,078		)	—			(71,078		)
Stock-based compensation	1,107			—			1,107
Net tax deficit on stock-based compensation	(1,632		)	—			(1,632		)
Issuance of common stock	14,499			—			14,499
Contribution from noncontrolling interest	—			39,500			39,500
Balance at June 30, 2015	$	2,542,931		$	143,961		$	2,686,892



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		)
Excess 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