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Stock-based Compensation (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 12 Months Ended
Dec. 31, 2019
Jan. 31, 2020
Jan. 31, 2019
Oct. 31, 2019
Management        
Class of Stock [Line Items]        
Shares exchanged (in shares)   11,314 20,119  
Fair value of common stock for the payment of payroll taxes associated with the vesting of shares under stock-based compensation programs   $ 213 $ 305  
Stock-Based Compensation | Minimum        
Class of Stock [Line Items]        
Vesting period   2 years    
Stock-Based Compensation | Management        
Class of Stock [Line Items]        
Shares granted (in shares) 0      
Stock-Based Compensation | Key Executives        
Class of Stock [Line Items]        
Vesting period       3 years
Shares granted (in shares) 95,000      
Common stock per share (in dollars per share) $ 18.87      
Cost from stock compensation       $ 1,793
Stock-Based Compensation | Non-Employee Directors        
Class of Stock [Line Items]        
Shares granted (in shares)   17,841   15,642
Share-based compensation expense   $ 358 $ 339