Equity Equity, Textuals (Details) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Dividends declared per share	$ 0.08	$ 0.06
Dividends, Common Stock, Cash	$ 17,100,000
Stock Repurchase Program, Remaining Authorized Repurchase Amount	190,100,000
Payments for Repurchase of Common Stock	$ 1,053,000	$ 1,708,000
Shares repurchases under the share repurchase program	0