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Stock-Based Compensation - Omnibus Incentive Plan (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Oct. 31, 2015
Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock option life (in years) 10 years    
Omnibus Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock options granted (in shares) 785,058    
Number of shares      
Granted (in shares) 785,058    
Number of unvested options scheduled to vest      
Unvested options (in shares) 1,437,508    
Unrecognized compensation expense $ 2,467    
Period over which compensation expense expected to recognize 1 year 7 months 6 days    
Omnibus Plan | Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares authorized     4,000,000
Number of shares available for grant 2,281,135    
Stock options granted (in shares) 785,058 795,450  
Exercise price of options granted (in dollars per share) $ 7.38 $ 10.00  
Valuation Assumptions:      
Volatility 35.40%    
Risk-free interest rate 1.50%    
Dividend yield 3.30%    
Expected term in years 6 years 3 months 18 days    
Number of shares      
Balance at beginning of year (in shares) 795,450    
Granted (in shares) 785,058 795,450  
Forfeited (in shares) (143,000)    
Balance at end of year (in shares) 1,437,508 795,450  
Weighted-Average Exercise Price      
Balance at beginning of year (in dollars per share) $ 10.00    
Granted (in dollars per share) 7.38 $ 10.00  
Forfeited (in dollars per share) 10.00    
Balance at end of year (in dollars per share) $ 8.62 $ 10.00  
Weighted- Average Remaining Contractual Term (in Years)      
Balance (in years) 8 years 11 months 23 days    
Number of unvested options scheduled to vest      
Aggregate intrinsic value of stock option awards outstanding $ 0    
Omnibus Plan | Stock Options | Maximum      
Number of unvested options scheduled to vest      
Volatility rate, peer group determined by tech companies that completed IPO within the state year range (in years) 10 years    
Awards vesting beginning the first anniversary of the grant date | Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 3 years    
Awards vesting beginning the second anniversary of the grant date | Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 4 years    
2017 | Omnibus Plan      
Number of unvested options scheduled to vest      
Unvested options (in shares) 379,643    
2018 | Omnibus Plan      
Number of unvested options scheduled to vest      
Unvested options (in shares) 469,627    
2019 | Omnibus Plan      
Number of unvested options scheduled to vest      
Unvested options (in shares) 469,352    
2020 | Omnibus Plan      
Number of unvested options scheduled to vest      
Unvested options (in shares) 118,886