Share-Based Compensation - Summary of Activity of the Outstanding Restricted Stock Awards And Restricted Stock Units (Details)	9 Months Ended
	Sep. 30, 2020 $ / shares shares
Restricted Stock Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Granted, shares | shares	232,435
Vested, shares | shares	(38,982)
Forfeited, shares | shares	(2,183)
Ending Balance, shares | shares	191,270
Granted, Weighted-Average Grant Date Fair Value | $ / shares	$ 19.44
Vested, Weighted-Average Grant Date Fair Value | $ / shares	19.30
Forfeited, Weighted-Average Grant Date Fair Value | $ / shares	19.30
Ending Balance, Weighted-Average Grant Date Fair Value | $ / shares	$ 19.47
Beginning Balance, shares | shares	11,623
Granted, shares | shares	3,952
Vested, shares | shares	(2,815)
Forfeited, shares | shares	(1,634)
Ending Balance, shares | shares	11,126
Beginning Balance, Weighted-Average Grant Date Fair Value | $ / shares	$ 52.17
Granted, Weighted-Average Grant Date Fair Value | $ / shares	50.43
Vested, Weighted-Average Grant Date Fair Value | $ / shares	47.45
Forfeited, Weighted-Average Grant Date Fair Value | $ / shares	56.59
Ending Balance, Weighted-Average Grant Date Fair Value | $ / shares	$ 52.10
Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Beginning Balance, shares | shares	136,123
Granted, shares | shares	55,171
Vested, shares | shares	(64,684)
Forfeited, shares | shares	(15,192)
Ending Balance, shares | shares	111,418
Beginning Balance, Weighted-Average Grant Date Fair Value | $ / shares	$ 52.66
Granted, Weighted-Average Grant Date Fair Value | $ / shares	51.06
Vested, Weighted-Average Grant Date Fair Value | $ / shares	49.85
Forfeited, Weighted-Average Grant Date Fair Value | $ / shares	56.54
Ending Balance, Weighted-Average Grant Date Fair Value | $ / shares	$ 52.97