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Equity Incentive Plan - Additional Information (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Stockholders Equity Note Disclosure [Line Items]      
Common Stock, shares authorized 200,000,000 200,000,000  
Restricted Stock      
Stockholders Equity Note Disclosure [Line Items]      
Fair value of restricted stock,vested $ 0.9 $ 0.6 $ 0.4
Unamortized restricted stock expense $ 0.5    
Weighted average period 1 year 4 months 24 days    
Long Term Incentive Plan      
Stockholders Equity Note Disclosure [Line Items]      
Compensation expense recognized $ 4.2 3.1 4.1
Fair value of restricted stock,vested 4.5 1.4 20.8
Unamortized restricted stock expense $ 6.0    
Weighted average period 1 year 8 months 12 days    
2015 Equity Incentive Plan [Member] | Restricted Stock      
Stockholders Equity Note Disclosure [Line Items]      
Common Stock, shares authorized 5,273,959    
Share available for issuance under equity incentive plan 1,616,685    
Compensation expense recognized $ 0.8 $ 1.0 $ 0.8