CONDENSED CONSOLIDATED BALANCE SHEETS (Parentheticals) - $ / shares shares in Thousands	Jun. 30, 2017	[1]	Dec. 31, 2016	[2]
Preferred stock par value (in Dollars per Share)	$ 0.01		$ 0.01
Preferred stock, shares authorized (in Shares)	10,000		10,000
Preferred stock, shares issued (in Shares)	0		0
Preferred stock, shares outstanding (in Shares)	0		0
Common stock par value (in Dollars per Share)	$ 0.01		$ 0.01
Common stock, shares authorized (in Shares)	350,000		350,000
Common stock, shares issued (in Shares)	154,081		165,538
Common stock, shares outstanding (in Shares)	154,081		165,538

[1] unaudited

[2] Note 1