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Share-Based Compensation - Summary of Unvested Restricted Stock Awards (Details)
12 Months Ended
Dec. 31, 2020
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Unvested, beginning of period (in shares) | shares 267,484
Granted (in shares) | shares 76,148
Vested (in shares) | shares (110,075)
Forfeited (in shares) | shares (8,866)
Unvested, end of period (in shares) | shares 224,691
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]  
Unvested, beginning of period (weighted average grant date fair value) | $ / shares $ 34.42
Granted (weighted average grant date fair value) | $ / shares 43.54
Vested (weighted average grant date fair value) | $ / shares 32.55
Forfeited (weighted average grant date fair value) | $ / shares 39.72
Unvested, end of period (weighted average grant date fair value) | $ / shares $ 38.22