Share-Based Compensation Arrangements By Share-Based Payment Award, Percent Of Cash Bonus Payment On Initial Targets

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- Definition

Share-based Compensation Arrangements by Share-based Payment Award, Percent Of Achievement Of Award Target Performance Metric

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- Definition

Share-based Compensation Arrangements by Share-based Payment Award, Percent Of Award Target Performance Metric

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- Definition

Share-based Compensation Arrangements by Share-based Payment Award, Performance Based Cash Bonus Payment, Percent

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- Definition

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

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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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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The number of grants made 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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-Publisher FASB
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- Definition

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

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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

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.

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No definition available.

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Stock-Based Compensation - Restricted Stock Units Narrative (Details) - USD ($) shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
RSUs and PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	174
Shares vested (in shares)	268
Stock-based compensation expense	$ 10.4	$ 8.3	$ 5.5
Remaining stock-based compensation expense for unvested shares, not yet recognized	$ 23.4
Stock-based compensation expense, weighted average recognition period (in years)	2 years 2 months 12 days
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	160
Vesting period	4 years
PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	14
Percent of award target performance metric	100.00%
Shares vested (in shares)	84
Percent of achievement of award target performance metric		95.00%
PSUs \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of award target performance metric	0.00%
PSUs \| Minimum \| Tranche one
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of award target performance metric	100.00%
Performance-based cash bonus payment, percent	100.00%
PSUs \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of award target performance metric	100.00%
PSUs \| Maximum \| Tranche one
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of award target performance metric	150.00%
Performance-based cash bonus payment, percent	165.00%
PSUs \| 2016 Performance metric
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	4
PSUs granted in 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	32
PSUs granted in 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	82
PSUs granted in 2019 and 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of award target performance metric	100.00%
PSUs granted in 2019 and 2018 \| Tranche one
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares vested (in shares)	48
PSUs granted in 2019 and 2018 \| Tranche two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares vested (in shares)	42
PSUs granted in 2019 and 2018 \| Tranche three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares vested (in shares)	24
PSUs granted in 2019 and 2018 \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of award target performance metric	0.00%
Percent of cash bonus payment on initial targets	100.00%
PSUs granted in 2019 and 2018 \| Minimum \| Tranche one
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of award target performance metric	100.00%
PSUs granted in 2019 and 2018 \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of award target performance metric	100.00%
Percent of cash bonus payment on initial targets	165.00%
PSUs granted in 2019 and 2018 \| Maximum \| Tranche one
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of award target performance metric	150.00%
Unvested RSAs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	5
Vesting period	1 year
Shares vested (in shares)	5
Stock-based compensation expense	$ 0.7	$ 0.3	$ 0.3
Fair value of shares vested	0.5
Remaining stock-based compensation expense for unvested shares, not yet recognized	$ 0.4
Stock-based compensation expense, weighted average recognition period (in years)	8 months 12 days