Common Stock, Voting Rights, Votes Per Share Owned

No definition available.

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- Definition

The maximum aggregate stock voting power held by a class of common stock.

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No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ 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.

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- Definition

Amount of expense for employee benefit and equity-based compensation.

+ References

No definition available.

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- Definition

Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

+ References

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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

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ References

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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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- Definition

Number of new stock issued during the period.

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Capital Stock and Stock-Based Compensation (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)	100,000,000.0		100,000,000.0		100,000,000.0
Preferred stock, par value (usd per share)	$ 0.01		$ 0.01		$ 0.01
Common stock, shares authorized (in shares)	585,000,000.0		585,000,000.0		585,000,000.0
Preferred stock, shares issued (in shares)	0		0		0
Restricted Stock [Member]
Class of Stock [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period			78,300	53,800
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value			$ 1.3	$ 0.5
Class A
Class of Stock [Line Items]
Common stock, shares authorized (in shares)	485,000,000.0		485,000,000.0		485,000,000.0
Common Stock, Par or Stated Value Per Share	$ 0.01		$ 0.01		$ 0.01
Common Stock, Voting Rights, Votes Per Share Owned			$ 1
Common stock, shares issued (in shares)	29,100,000		29,100,000		29,000,000.0
Class A \| Restricted Stock Units
Class of Stock [Line Items]
Stock Issued During Period, Shares, New Issues			44,800	34,100
Class B
Class of Stock [Line Items]
Common stock, shares authorized (in shares)	100,000,000.0		100,000,000.0		100,000,000.0
Common Stock, Par or Stated Value Per Share	$ 0.01		$ 0.01		$ 0.01
Common Stock, Voting Rights, Votes Per Share Owned			$ 5
Maximum percentage of voting power			49.00%
Common stock, shares issued (in shares)	4,600,000		4,600,000		4,600,000
General and Administrative Expense [Member]
Class of Stock [Line Items]
Employee Benefits and Share-based Compensation	$ 0.4	$ 0.2	$ 1.3	$ 0.9