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Stock-Based Compensation Plans - Market Stock Units (Details) - USD ($)
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock options expense $ 0 $ 0
Number of Market Stock Units    
Outstanding at beginning of period (in shares) 137,256  
Granted (in shares) 19,688  
Exchanged for stock (in shares) (28,804)  
Outstanding at end of period (in shares) 128,140 137,256
MSUs    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock options expense $ 700,000  
Minimum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Potential Shares From MSU Vest 0.00%  
Maximum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Potential Shares From MSU Vest 150.00%  
Trading days 60 days  
Number of Market Stock Units    
Outstanding at beginning of period (in shares) 195,723  
Granted (in shares) 29,568  
Exchanged for stock (in shares) (42,811)  
Outstanding at end of period (in shares) 182,480 195,723