Consolidated Condensed Statements of Equity (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Common stock - cash dividends declared per share	$ 0.10	$ 0.10
Common stock repurchased	$ 4,871	$ 81,156	[1]
Preferred Stock Dividends Per Share Declared	$ 3,100.00	$ 2,738.33
Common Stock [Member] | Stock Repurchase Authorization [Member]
Common stock repurchased		77,900
Common Stock [Member] | Variable Prepaid Share Repurchase Agreement [Member]
Common stock repurchased		$ 40,000
Class A Preferred Stock [Member]
Preferred shares issued		1,000
Stock Issued During Period Liquidation Preference		$ 100,000

[1] 2013 includes $77.9 million repurchased under the share repurchase program launched in 2011 including $40.0 million associated with a prepaid variable share repurchase agreement.