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Stock-Based Compensation - Summary of Assumptions used to Estimate the Value of Options Granted (Details) - 2018 Omnibus Incentive Plan - $ / shares
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected term   10 years
Expected stock price volatility   43.41%
Risk-free interest rate   2.51%
Expected dividends 0.00% 0.00%
Weighted average grant date fair value   $ 3.70
Minimum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected term 7 years 6 months  
Expected stock price volatility 31.06%  
Risk-free interest rate 2.66%  
Weighted average grant date fair value $ 3.95  
Maximum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected term 10 years  
Expected stock price volatility 41.89%  
Risk-free interest rate 3.14%  
Weighted average grant date fair value $ 6.56