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Stock-Based Compensation - Summary of Performance Units (Details) - Performance Shares [Member] - $ / shares
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 258,240 194,053
Granted (in shares) 130,346  
Vested (in shares) (48,772)  
Forfeited (in shares) (17,387)  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value $ 51.45 $ 93.86
Granted (in dollars per share) 10.10  
Vested (in dollars per share) 107.50  
Forfeited (in dollars per share) $ 57.57