Treasury Stock - Additional Information (Details) - USD ($)	9 Months Ended
	Sep. 30, 2020	Oct. 17, 2016
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, additional repurchase authorization		$ 300,000,000.0
Treasury stock (in shares)	64,226,667
2016 BOD Authorized Common Stock Repurchase
Equity, Class of Treasury Stock [Line Items]
Repurchase of common stock (in shares)	259,461
Average cost per share of treasury stock acquired (usd per share)	$ 26.71
Payments for repurchase of common stock	$ 6,900,000
Remaining authorized repurchase amount	$ 105,600,000
2004 Amended and Restated Stock Incentive Plan
Equity, Class of Treasury Stock [Line Items]
Average cost per share of treasury stock acquired (usd per share)	$ 28.63
Average cost of treasury shares that were issued for restricted stock units that vested during the period (usd per share)	$ 3.16
Shares repurchased to satisfy minimum employee withholding tax requirements resulting from the vesting of such restricted stock units (in shares)	217,325
2004 Amended and Restated Stock Incentive Plan | Treasury Stock
Equity, Class of Treasury Stock [Line Items]
Treasury shares issued for restricted stock units that vested during the period (in shares)	582,151