Stockholders’ Equity

6 Months Ended

Jun. 30, 2018

Stockholders' Equity Note [Abstract]

Stockholders’ Equity

Stockholders’ Equity

Changes in stockholders’ equity for the six months ended June 30, 2018 and 2017 were as follows:

	Preferred stock		Preference stock			Common stock		Additional paid-in capital			Retained earnings			Accumulated other comprehensive loss			Treasury stock			Total equity
Balance at December 31, 2017	$	1	$	441		$	323,338	$	138,367		$	5,229,584		$	(792,173	)	$	(4,710,997	)	$	188,561
Cumulative effect of accounting changes	—		—			—		—			(12,207		)	—			—			(12,207		)
Net income	—		—			—		—			101,727			—			—			101,727
Other comprehensive income	—		—			—		—			—			(18,078		)	—			(18,078		)
Dividends paid	—		—			—		—			(70,113		)	—			—			(70,113		)
Issuance of common stock	—		—			—		(24,267		)	—			—			21,141			(3,126		)
Conversion to common stock	—		(26		)	—		(521		)	—			—			547			—
Stock-based compensation expense	—		—			—		9,153			—			—			—			9,153
Balance at June 30, 2018	$	1	$	415		$	323,338	$	122,732		$	5,248,991		$	(810,251	)	$	(4,689,309	)	$	195,917

	Preferred stock		Preference stock			Common stock		Additional paid-in capital			Retained earnings			Accumulated other comprehensive loss			Treasury stock			Total (deficit) equity
Balance at December 31, 2016	$	1	$	483		$	323,338	$	148,125		$	5,107,734		$	(940,133	)	$	(4,743,208	)	$	(103,660	)
Net income	—		—			—		—			114,034			—			—			114,034
Other comprehensive loss	—		—			—		—			—			80,818			—			80,818
Dividends paid	—		—			—		—			(69,527		)	—			—			(69,527		)
Issuance of common stock	—		—			—		(28,567		)	—			—			23,744			(4,823		)
Conversion to common stock	—		(20		)	—		(398		)	—			—			418			—
Stock-based compensation expense	—		—			—		12,531			—			—			—			12,531
Balance at June 30, 2017	$	1	$	463		$	323,338	$	131,691		$	5,152,241		$	(859,315	)	$	(4,719,046	)	$	29,373