Stockholders' Equity (Details2) (Series A Convertible Preferred Stock, USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		1 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Jan. 31, 2013	Dec. 31, 2014
Stockholders' Equity
Preferred stock par value	$ 0.001			$ 0.001
Preferred dividend percentage	5.00%
Liquidation preference per share	$ 1,000
Preferred Stock dividend declared	$ 1.0	$ 1.0
Preferred stock conversion price per share	$ 26.17
Shares of common stock into which the preferred stock could be converted	3,100,000
Price of common stock to trigger redemption option	$ 45.80
Consecutive trading days for threshold stock price to trigger the redemption option	30 days
Cerberus Agreement | Cerberus Parties | Geo Eye Inc
Stockholders' Equity
Preferred stock, shares issued			80,000
Citigroup Global Markets, Inc. | Cerberus Parties
Stockholders' Equity
Preferred shares transferred	80,000