Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation Schedule of Restricted Stock Options (Details)

v3.7.0.1
Stock-Based Compensation Schedule of Restricted Stock Options (Details) - Restricted stock and restricted stock units - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Per share weighted average grant-date fair value of restricted stock and restricted stock units granted (usd per share) $ 4.00 $ 9.96 $ 14.92
Total fair value of restricted stock and restricted stock units vested $ 294 $ 667 $ 1,076