Loss Per Share Antidilutive (Details) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Out-of-the-money options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive common shares excluded from computation of earnings per share	1,300
Unvested restricted stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive common shares excluded from computation of earnings per share	261	670	261	670
Shares of common stock issuable upon conversion of preferred stock, Series A-2 [Member] | Series A-2 Preferred Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive common shares excluded from computation of earnings per share	133	0	133	0
Stock options outstanding [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive common shares excluded from computation of earnings per share	0	1,494	0	1,494
Unvested restricted stock units [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive common shares excluded from computation of earnings per share	2,855	0	2,855	0