Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Restricted Stock Activity (Details)

v3.3.1.900
Stock-Based Compensation - Restricted Stock Activity (Details) - Restricted Stock - $ / shares
12 Months Ended
Feb. 11, 2015
Jan. 20, 2015
Dec. 31, 2015
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]        
Nonvested, balance (in shares)     0  
Granted (in shares) 6,116 60,960 67,076  
Vested (in shares)     (22,364)  
Nonvested, balance (in shares)     44,712 0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Nonvested, weighted average price at date of issuance (in dollars per share)     $ 0.00  
Granted (in dollars per share)     12.15  
Vested (in dollars per share)     12.15  
Nonvested, weighted average price at date of issuance (in dollars per share)     $ 12.15 $ 0.00
2007 Plan        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]        
Nonvested, balance (in shares)     0 54,986
Vested (in shares)     0 (54,986)
Nonvested, balance (in shares)     0 0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]        
Nonvested, weighted average price at date of issuance (in dollars per share)     $ 0.00 $ 0.37
Vested (in dollars per share)     0.00 0.37
Nonvested, weighted average price at date of issuance (in dollars per share)     $ 0.00 $ 0.00