Stockholders' Equity - Additional Information (Detail) - shares	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Oct. 22, 2019	Sep. 30, 2019
Equity [Abstract]
Stock repurchase program, authorized amount (in shares)			2,524,458
Stock repurchase program, number of shares authorized to be repurchased, as a percentage of outstanding shares of common stock (percentage)				5.00%
Common stock, shares outstanding (in shares)	50,479,646	50,498,410		50,489,161
Stock repurchased and retired during period, shares (in shares)	131,035