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Stock-Based Compensation - Summary of Performance Based Grant Activity (Details) - Performance-Based Restricted Stock Grants - $ / shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Unvested Beginning, Stock 18,652 27,739
Granted, Stock 15,025 1,941
Vested, Stock (11,142) (11,028)
Unvested Ending, Stock 22,535 18,652
Unvested Beginning, Weighted-Average Grant-Date Fair Value $ 4.13 $ 4.21
Granted, Weighted-Average Grant-Date Fair Value 4.51 3.58
Vested, Weighted-Average Grant-Date Fair Value 4.22 4.23
Unvested Ending, Weighted-Average Grant-Date Fair Value $ 4.34 $ 4.13