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Stock-Based Compensation - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Mar. 31, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Restricted Stock            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Restricted stock granted (in shares)       166,768 176,382 154,030
Restricted stock, weighted average fair value       $ 2.1 $ 2.8 $ 2.4
Vesting period       2 years    
Nonemployee restricted stock award vest grant over period       1 year    
Granted (in dollars per share)       $ 12.88    
Shares tendered by employees to satisfy minimum statutory tax withholding obligations (in shares)       2,207    
Unrecognized compensation cost $ 0.7     $ 0.7    
Unrecognized compensation cost, recognition period       27 months    
Shares tendered by employees to satisfy minimum statutory tax withholding obligations (in shares)       43,646    
Restricted Stock | Executive Officer            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period       3 years    
Restricted Stock | Tranche One            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Restricted stock award, percentage vested on grant date       33.33%    
Restricted Stock | Tranche One | Executive Officer            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Restricted stock award, percentage vested on grant date       40.00%    
Restricted Stock | Tranche Two            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Restricted stock award, percentage vested on grant date       33.33%    
Restricted Stock | Tranche Two | Executive Officer            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Restricted stock award, percentage vested on grant date       20.00%    
Restricted Stock | Tranche Three            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Restricted stock award, percentage vested on grant date       33.33%    
Restricted Stock | Tranche Three | Executive Officer            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Restricted stock award, percentage vested on grant date       20.00%    
Restricted Stock | Tranche Four | Executive Officer            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Restricted stock award, percentage vested on grant date       20.00%    
Restricted Stock Units (RSUs)            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Restricted stock granted (in shares) 5,760 10,842 10,600      
Vesting period       3 years    
Service period following expiration of performance period       2 years    
Granted (in dollars per share) $ 15.19 $ 11.11 $ 18.08      
Shares tendered by employees to satisfy minimum statutory tax withholding obligations (in shares) 1,926 3,165 3,677      
2013 Equity Incentive Plan            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Aggregate shares of common stock permitted to be granted (in shares) 1,700,000     1,700,000    
Shares of common stock reserved for issuance (in shares) 604,041     604,041    
Stock-based compensation       $ 2.6 $ 2.9 $ 2.4