Consolidated Condensed Statements Of Equity (Parenthetical) - USD ($)		9 Months Ended
		Sep. 30, 2015	Sep. 30, 2014
Common stock - cash dividends declared per share		$ 0.18	$ 0.15
Common stock repurchased	[1]	$ 20,052,000	$ 28,903,000
Preferred Stock Dividends Per Share Declared		$ 4,650	$ 4,650
Stock Repurchase Authorization [Member]
Common stock repurchased		$ 15,800,000	$ 24,000,000

[1] 2015 and 2014 include $ 15.8 million and $ 24.0 m illion, respectively, repurchased under the share repurchase program launched in January 2014