Consolidated Condensed Statements of Equity (Parenthetical) (USD $)	9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013
Common stock - cash dividends declared per share	$ 0.15		$ 0.15
Common stock repurchased	$ 28,903,000	[1]	$ 91,395,000	[1]
Preferred Stock Dividends Per Share Declared	$ 4,650		$ 4,288
Common Stock [Member] | Stock Repurchase Authorization [Member]
Common stock repurchased	$ 24,000,000		$ 87,600,000
Class A Preferred Stock [Member]
Preferred shares issued			1,000
Liquidation preference per share			$ 100,000

[1] 2014 includes $24.0 million repurchased under the share repurchase program launched in January 2014. 2013 includes $87.6million repurchased under the share repurchase program launched in 2011.