Share-Based Compensation Arrangement By Share-Based Payment Award, Non-Option Equity Instruments Earned

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-Section 50
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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-Section 50
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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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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

Net number of non-option equity instruments granted to participants.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

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-Publisher FASB
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-Topic 718
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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Stock-Based Compensation Plans (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	May 21, 2019
Stock-based Compensation Arrangement by Stock-based Payment Award [Line Items]
Number of shares authorized (in shares)					4,236,959
Shares available for issuance (in shares)	2,842,680		2,842,680
Stock-based compensation cost	$ 2.5	$ 2.5	$ 4.9	$ 4.1
Total unrecognized compensation cost related to non-vested share-based compensation arrangements	$ 13.8		$ 13.8
Compensation cost not yet recognized, period for recognition			1 year 9 months 18 days
Restricted Stock Units
Stock-based Compensation Arrangement by Stock-based Payment Award [Line Items]
Granted, number of shares (in shares)			232,090	280,325
Grants in period, weighted average grant date fair value (in dollars per share)			$ 31.03	$ 25.38
Performance-Based Restricted Stock Units
Stock-based Compensation Arrangement by Stock-based Payment Award [Line Items]
Granted, number of shares (in shares)			155,746	154,363
Grants in period, weighted average grant date fair value (in dollars per share)			$ 31.13	$ 25.48
Shares earned (in shares)				138,927