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Share-Based Compensation - Summary of Restricted Stock Awards (Details) - Restricted Stock Awards
12 Months Ended
Dec. 31, 2020
$ / shares
shares
Shares [Roll Forward]  
Nonvested, beginning of period (in shares) | shares 127,000
Vested (in shares) | shares (120,000)
Forfeited (in shares) | shares (7,000)
Nonvested, end of period (in shares) | shares 0
Weighted-Average Grant Date Fair Value [Roll Forward]  
Nonvested, beginning of period (in dollars per share) | $ / shares $ 19.42
Vested (in dollars per share) | $ / shares 19.42
Forfeited (in dollars per share) | $ / shares $ 19.42
Nonvested, end of period (in dollars per share) | $ / shares