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Share-Based Compensation - Summary of Market Stock Units (Details) - Market Stock Units - $ / shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Shares [Roll Forward]      
Nonvested, beginning of period (in shares) 45,000    
Granted (in shares) 0 0 0
Forfeited (in shares) (45,000)    
Nonvested, end of period (in shares)   45,000  
Weighted-Average Grant Date Fair Value [Roll Forward]      
Nonvested, beginning of period (in dollars per share) $ 18.25    
Granted (in dollars per share) 0    
Forfeited (in dollars per share) $ 18.25    
Nonvested, end of period (in dollars per share)   $ 18.25