Stockholders' Equity Stockholders Equity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Equity [Abstract]
Common Stock, Dividends, Per Share, Declared			$ 0.50
Common Stock, Dividends, Per Share, Cash Paid	$ 0.125	$ 0.125	$ 0.250	$ 0.250
Payments of Dividends			$ 12,749	$ 12,513