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Stock-Based Compensation, Summary of Plans (Details) - shares
12 Months Ended
Dec. 31, 2021
Jul. 25, 2018
Jul. 24, 2018
2008 LTIP [Member]      
Stock-based Compensation [Abstract]      
Shares available for awards (in shares)     2,000,000
2018 LTIP [Member]      
Stock-based Compensation [Abstract]      
Shares available for awards (in shares) 812,045    
Contractual term of option awards 10 years    
Maximum number of shares that can be awarded (in shares)   1,293,109  
Aggregate number of shares awarded to date under the plan (in shares) 481,064