Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2016

Stockholders' Equity Note [Abstract]

Schedule of Stockholders Equity

Changes in stockholders’ equity for the three months ended March 31, 2016 and 2015 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 January 1, 2016	$	1	$	505		$	323,338	$	161,280		$	5,155,537		$	(888,635	)	$	(4,573,305	)	$	178,721
Net income	—		—			—		—			58,046			—			—			58,046
Other comprehensive income	—		—			—		—			—			48,793			—			48,793
Dividends declared	—		—			—		—			(36,010		)	—			—			(36,010		)
Issuance of common stock	—		—			—		(21,555		)	—			—			17,421			(4,134		)
Conversion to common stock			(13		)	—		(273		)	—			—			286			—
Stock-based compensation expense	—		—			—		6,303			—			—			—			6,303
Repurchase of common stock	—		—			—		—			—			—			(128,451		)	(128,451		)
Balance at March 31, 2016	$	1	$	492		$	323,338	$	145,755		$	5,177,573		$	(839,842	)	$	(4,684,049	)	$	123,268

	Preferred stock		Preference stock			Common stock		Additional paid-in capital			Retained earnings			Accumulated other comprehensive loss			Treasury stock			Total equity
Balance at January 1, 2015	$	1	$	548		$	323,338	$	178,852		$	4,897,708		$	(846,156	)	$	(4,477,032	)	$	77,259
Net income	—		—			—		—			80,612			—			—			80,612
Other comprehensive loss	—		—			—		—			—			(62,491		)	—			(62,491		)
Dividends declared	—		—			—		—			(37,815		)	—			—			(37,815		)
Issuance of common stock	—		—			—		(30,914		)	—			—			23,248			(7,666		)
Conversion to common stock	—		(5		)	—		(105		)	—			—			110			—
Stock-based compensation expense	—		—			—		5,036			—			—			—			5,036
Balance at March 31, 2015	$	1	$	543		$	323,338	$	152,869		$	4,940,505		$	(908,647	)	$	(4,453,674	)	$	54,935