A summary of the changes in equity was as follows:



Three Months Ended March 31, 2016	Total Stockholders' Equity			Noncontrolling Interest			Total Equity
	(In thousands)
Balance at December 31, 2015	$	2,396,505		$	124,043		$	2,520,548
Net income (loss)	24,869			(11,040		)	13,829
Other comprehensive loss	(1,434		)	—			(1,434		)
Dividends declared on preferred stocks	(171		)	—			(171		)
Dividends declared on common stock	(36,620		)	—			(36,620		)
Stock-based compensation	1,065			—			1,065
Issuance of common stock upon vesting of stock-based compensation, net of shares used for tax withholdings	(316		)	—			(316		)
Net tax deficit on stock-based compensation	(1,517		)	—			(1,517		)
Balance at March 31, 2016	$	2,382,381		$	113,003		$	2,495,384



Three Months Ended March 31, 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	(305,917		)	(3,528		)	(309,445		)
Other comprehensive income	1,179			—			1,179
Dividends declared on preferred stocks	(171		)	—			(171		)
Dividends declared on common stock	(35,515		)	—			(35,515		)
Stock-based compensation	(121		)	—			(121		)
Net tax deficit on stock-based compensation	(1,632		)	—			(1,632		)
Issuance of common stock	9,864			—			9,864
Contribution from noncontrolling interest	—			20,500			20,500
Balance at March 31, 2015	$	2,801,728		$	132,715		$	2,934,443