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Stock-Based Compensation - Summary of the Changes in the Company's Unvested Restricted Stock Awards (Details) - Restricted Stock - $ / shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Restricted Stock Awards      
Unvested as of beginning of period (in shares) 167,578    
Granted (in shares) 166,768 176,382 154,030
Vested (in shares) (180,327)    
Forfeited (in shares) (2,207)    
Unvested as of end of period (in shares) 151,812 167,578  
Weighted Average Grant Date Fair Value Per Share      
Unvested as of beginning of period (in dollars per share) $ 15.31    
Granted (in dollars per share) 12.88    
Vested (in dollars per share) 13.98    
Forfeited (in dollars per share) 13.88    
Unvested as of end of period (in dollars per share) $ 14.24 $ 15.31