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Stock-Based Compensation - Narrative (Details) - shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2013
Dec. 31, 2012
Members of the Board      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 1 year    
Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 2 years    
Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 3 years    
SARs      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share initially made available for awards (in shares)     830,925
Additional shares added to the plan (in shares)   700,000  
Share available for issuance of future awards (in shares) 417,024    
Expiration period 10 years