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Stock-Based Compensation - Share-based Payment Arrangement, Restricted Stock Unit, Activity (Details) - $ / shares
shares in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Number of Shares      
Nonvested ending balance (in shares) 152,168    
Restricted Stock Units      
Number of Shares      
Nonvested beginning period (in shares) 134,437    
Granted (in shares) 103,811    
Vested (in shares) (63,878)    
Forfeited (in shares) (22,202)    
Nonvested ending balance (in shares) 152,168 134,437  
Weighted Average Grant Date Fair Value      
Nonvested beginning balance (in dollars per share) $ 5.84    
Granted (in dollars per share) 1.39    
Vested (in dollars per share) 5.72    
Forfeited (in dollars per share) 3.79    
Nonvested ending balance (in dollars per share) $ 3.15 $ 5.84  
Restricted Stock Awards      
Number of Shares      
Nonvested beginning period (in shares) 4    
Granted (in shares) 0 0 0
Vested (in shares) (4)    
Forfeited (in shares) 0    
Nonvested ending balance (in shares) 0 4  
Weighted Average Grant Date Fair Value      
Nonvested beginning balance (in dollars per share) $ 1.99    
Granted (in dollars per share) 0    
Vested (in dollars per share) 1.99    
Forfeited (in dollars per share) 0    
Nonvested ending balance (in dollars per share) $ 1.99 $ 1.99