CONDENSED CONSOLIDATED BALANCE SHEETS (Parentheticals) (USD $) In Thousands, except Per Share data, unless otherwise specified	Mar. 31, 2015		Dec. 31, 2014
Statement of Financial Position [Abstract]
Preferred stock par value (in Dollars per Share)	$ 0.01	[1]	$ 0.01	[2]
Preferred stock, shares authorized (in Shares)	10,000	[1]	10,000	[2]
Preferred stock, shares issued (in Shares)	0	[1]	0	[2]
Preferred stock, shares outstanding (in Shares)	0	[1]	0	[2]
Common stock par value (in Dollars per Share)	$ 0.01	[1]	$ 0.01	[2]
Common stock, shares authorized (in Shares)	350,000	[1]	350,000	[2]
Common stock, shares issued (in Shares)	163,534	[1]	162,186	[2]
Common stock, shares outstanding (in Shares)	163,534	[1]	162,186	[2]

[1] unaudited

[2] Note 1