Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Restricted Stock Activity (Details)

v3.7.0.1
Stock-Based Compensation - Restricted Stock Activity (Details) - $ / shares
12 Months Ended
Apr. 08, 2016
Feb. 11, 2015
Jan. 20, 2015
Dec. 31, 2016
Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period       3 years  
Restricted Stock          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]          
Nonvested, balance (in shares)       44,712 0
Granted (in shares) 51,015 6,116 60,960 0 67,076
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     3 years    
Vested (in shares)       (22,364) (22,364)
Nonvested, balance (in shares)       22,348 44,712
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)       $ 12.15 $ 0
Granted (in dollars per share)       0 12.15
Vested (in dollars per share)       12.15 12.15
Nonvested, weighted average price at date of issuance (in dollars per share)       $ 12.15 $ 12.15
Equity Incentive 2016 Plan [Member] | Restricted Stock          
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)       51,015  
Vested (in shares)       (12,759)  
Nonvested, balance (in shares)       38,256 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  
Granted (in dollars per share)       34.13  
Vested (in dollars per share)       34.13  
Nonvested, weighted average price at date of issuance (in dollars per share)       $ 34.13 $ 0