Equity [Line Items]

No definition available.

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- Definition

Stock repurchase program additional authorized amount.

+ References

No definition available.

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- Definition

Face amount or stated value per share of common stock.

+ References

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- Definition

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

+ References

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- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

+ References

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- Definition

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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- Definition

The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

+ References

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- Definition

Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

+ References

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- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

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- Definition

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.

+ References

No definition available.

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- Definition

Amount remaining of a stock repurchase plan authorized.

+ References

No definition available.

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- Definition

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

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- Definition

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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- Definition

Total cost of shares repurchased divided by the total number of shares repurchased.

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Stockholders' Equity - Narrative (Details) - USD ($)	1 Months Ended	12 Months Ended
Stockholders' Equity - Narrative (Details) - USD ($)	Feb. 28, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2016	Nov. 30, 2019	Aug. 31, 2019
Equity [Line Items]
Preferred stock authorized (in shares)		25,000,000
Preferred stock issued (in shares)		0	0
Class A common stock, par value (in USD per share)		$ 0.01	$ 0.01
Class A common stock issued (in shares)		335,561,345	334,752,283
Class A common stock outstanding (in shares)		335,561,345	334,752,283
Shares repurchased during the period, value		$ 50,028,000	$ 145,137,000	$ 161,034,000
Capacity remaining under current stock repurchase program		$ 350,000,000.0
2016 Program
Equity [Line Items]
Authorized share repurchase term					3 years
2019 Program
Equity [Line Items]
Authorized share repurchase term	3 years
Class A common stock
Equity [Line Items]
Class A common stock, shares authorized (in shares)		525,000,000	525,000,000
Class A common stock, par value (in USD per share)		$ 0.01
Class A common stock issued (in shares)		335,561,345	334,752,283
Class A common stock outstanding (in shares)		335,561,345
Shares repurchased during the period, value		$ 11,000	$ 31,000	$ 40,000
Repurchase of common stock (in shares)		1,050,084	3,080,907	3,980,656
Class A common stock \| 2016 Program
Equity [Line Items]
Authorized share repurchase amount					$ 250,000,000.0
Shares repurchased during the period, value			$ 45,100,000	$ 161,000,000.0
Repurchase of common stock (in shares)			1,144,449	3,980,656
Average price per share (in USD per share)			$ 39.38	$ 40.43
Class A common stock \| 2019 Program
Equity [Line Items]
Authorized share repurchase amount	$ 300,000,000.0					$ 500,000,000.0
Shares repurchased during the period, value		$ 50,000,000.0	$ 100,000,000.0
Repurchase of common stock (in shares)		1,050,084	1,936,458
Average price per share (in USD per share)		$ 47.62	$ 51.64
Authorized share additional repurchase amount						$ 100,000,000.0	$ 100,000,000.0