Equity (Narrative) (Details) (USD $)	0 Months Ended	3 Months Ended		6 Months Ended
	Jul. 26, 2013	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Equity [Abstract]
Common stock dividend	$ 0.83	$ 0.83	$ 0.83	$ 1.66	$ 1.66
Parent Company [Member]
Equity [Abstract]
Stock Options Excluded From Diluted Common Shares Outstanding Calculation			8,500,000	8,900,000	8,400,000
Shares, Issued		431,833		431,833