Stockholders' Equity - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 04, 2018
Equity Class Of Treasury Stock [Line Items]
Stock-based compensation expense	$ 5,700,000	$ 8,700,000
Additional common shares issued under deferred and stock compensation arrangements	158,018
Treasury stock purchases, shares	699,926
Long Term Incentive Plan
Equity Class Of Treasury Stock [Line Items]
Treasury stock purchases, shares	13,918
Common Stock Repurchase Plan
Equity Class Of Treasury Stock [Line Items]
Treasury stock purchases, shares	686,008
Stock repurchase programs, remaining authorized amount			$ 390,000,000.0
Stock repurchase programs, authorized amount			$ 500,000,000.0