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Stockholders Equity - Additional Information (Details) - Common Stock - USD ($) shares in Millions	1 Months Ended	12 Months Ended
	Mar. 31, 2018	Dec. 31, 2019
Stockholders Equity [Line Items]
Share repurchase program, authorized amount	$ 200,000,000
Share repurchase program, duration	2 years
Share purchased and retired		1.7
Share purchased and retired, amount		$ 40,000,000

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Stockholders' equity.

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Amount of stock repurchase plan authorized.

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Period which shares may be purchased under a stock repurchase plan authorized by an entity's Board of Directors, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of shares that have been repurchased and retired during the period.

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Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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