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Stockholders' Equity - Narrative (Details) - USD ($)
1 Months Ended 12 Months Ended
Dec. 31, 2020
Oct. 31, 2020
Oct. 31, 2019
Oct. 31, 2018
Dec. 15, 2020
Mar. 12, 2020
Class of Stock [Line Items]            
Vesting period   3 years        
Unrecognized stock-based compensation expense   $ 2,589,000        
Compensation expense recognition period   3 years        
Compensation expense recognized in the period   $ 2,044,000 $ 1,791,000 $ 1,368,000    
Income tax benefit recognized in the income statement for stock-based compensation arrangements   400,000 324,000 328,000    
Fair value of shares vested   $ 2,365,000 $ 1,788,000 $ 1,238,000    
Shares repurchased (in shares)   250,977        
Authorized repurchase amount           $ 10,000,000
Remaining authorization under the repurchase program   $ 6,507,000        
Subsequent Event            
Class of Stock [Line Items]            
Dividends declared (in dollars per share)         $ 0.075  
Dividends declared         $ 1,324,000  
Management            
Class of Stock [Line Items]            
Shares exchanged for payroll taxes associated with the vesting of shares (in shares)   11,314 36,627 24,252    
Fair value of shares exchanged for payroll taxes associated with the vesting of shares   $ 213,000 $ 606,000 $ 570,000    
Shares repurchased (in shares)       15,330    
Value of shares repurchased       $ 86,000    
Performance Awards            
Class of Stock [Line Items]            
Vesting period   2 years        
Restricted Stock | Executive Awards | Subsequent Event            
Class of Stock [Line Items]            
Shares granted (in shares) 95,000          
Per share value of common stock granted (in dollars per share) $ 15.26          
Unrecognized stock-based compensation expense $ 1,450,000          
Restricted Stock | Executive Awards | Minimum            
Class of Stock [Line Items]            
Vesting period   3 years        
Restricted Stock | Executive Awards | Maximum            
Class of Stock [Line Items]            
Vesting period   5 years        
Stock Plan            
Class of Stock [Line Items]            
Remaining shares available to be issued (in shares)   281,225        
Series A Junior Participating Preferred Stock            
Class of Stock [Line Items]            
Shares of preferred stock authorized (in shares)   20,000 20,000      
Par value of preferred stock (in dollars per share)   $ 0.01 $ 0.01      
Preferred stock, shares issued (in shares)   0 0      
Preferred stock, shares outstanding (in shares)   0 0