Annual report pursuant to Section 13 and 15(d)

Share-Based Awards and Cash-Based Awards - Schedule of Restricted Stock Activity (Details)

v3.6.0.2
Share-Based Awards and Cash-Based Awards - Schedule of Restricted Stock Activity (Details) - Restricted Shares - $ / shares
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Nonvested, beginning of period 78,230 43,210 43,840
Granted 126,128 56,540 18,815
Vested (43,062) (21,520) (19,445)
Nonvested, end of period 161,296 78,230 43,210
Weighted Average Grant Date Value, Beginning of period $ 8.95 $ 16.20 $ 15.96
Weighted Average Grant Date Fair Value, Granted 2.22 6.19 18.60
Weighted Average Grant Date Fair Value, Vested 9.75 16.26 18.00
Weighted Average Grant Date Value, End of period $ 3.47 $ 8.95 $ 16.20