Annual report pursuant to Section 13 and 15(d)

Subsequent Events (Textual) (Details)

v3.3.1.900
Subsequent Events (Textual) (Details) - 2015 Stock Awards Plan [Member] - Stock Awards [Member] - $ / shares
12 Months Ended
Feb. 19, 2016
Dec. 31, 2015
Subsequent Event [Line Items]    
Annual vesting rate (percent)   20.00%
Period after grant date, awards vesting begins (years)   1 year
Subsequent Event [Member]    
Subsequent Event [Line Items]    
Granted (shares) 50,062  
Granted, weighted average grant date fair value (dollars per share) $ 7.51  
Annual vesting rate (percent) 20.00%  
Period after grant date, awards vesting begins (years) 1 year