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Stockholders' Equity - Additional Information (Details) - 2016 Stock Repurchase Program - USD ($)	Sep. 30, 2019	Feb. 21, 2019	Dec. 01, 2017	May 18, 2017	Jun. 02, 2016
Stockholders Equity [Line Items]
Stock repurchase program authorized amount		$ 400,000,000.0			$ 100,000,000.0
Stock repurchase program additional amount authorized		$ 100,000,000.0	$ 100,000,000.0	$ 100,000,000.0
Available amount under repurchase program	$ 94,600,000

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- Definition

Stock repurchase program additional authorized amount.

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- Definition

Stockholders Equity [Line Items]

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- Definition

Amount of stock repurchase plan authorized.

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- Definition

Amount remaining of a stock repurchase plan authorized.

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