Share-based Compensation Arrangement by Share-based Payment Award, Delayed Vesting Period From Grant Date

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value, Less Tax Withholding

+ References

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Number of Share-based Compensation Plans

+ References

No definition available.

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
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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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
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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

Unrecognized cost of unvested share-based compensation awards.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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-Paragraph 2
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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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-Publisher FASB
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- Definition

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).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-Paragraph 2
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- Definition

The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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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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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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-Paragraph 2
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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.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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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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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

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- Definition

Percentage of vesting of share-based compensation awards.

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Stock-Based Compensation - Narrative (Details) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018 USD ($) $ / shares shares	Sep. 30, 2017 USD ($)	Sep. 30, 2018 USD ($) compensation_plan $ / shares shares	Sep. 30, 2017 USD ($)	Dec. 31, 2017 shares
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value, Less Tax Withholding \| $ / shares			$ 9.15
Number of stock-based compensation plans \| compensation_plan			2
Shares granted \| $ / shares	$ 215,000		$ 1,337,000
Shares available for grant (in shares)	2,800,000		2,800,000
Compensation expense \| $	$ 1.3	$ 2.1	$ 4.2	$ 5.4
Nonvested awards compensation costs not yet recognized \| $	$ 8.7		$ 8.7
Nonvested awards, compensation costs not yet recognized, period for recognition			2 years 1 month 12 days
Common Stock, Fair Market Value \| $ / shares	$ 4.71		$ 4.71
Common Stock, Shares, Issued	23,611,680		23,611,680		22,419,417
Performance Shares [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Compensation expense \| $			$ 5.4
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	36,035		289,192
Common Stock, Shares, Issued	483,623		483,623
Equity Option [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Delayed Vesting Period From Grant Date			1 year
Share-based Compensation Arrangement By Share-based Payment Award Options Vested And Expected To Vest, Outstanding Vesting Period			3 years
Restricted Stock [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	18,391		324,776
Share-based Compensation Arrangement By Share-based Payment Award Options Vested And Expected To Vest, Outstanding Vesting Period			3 years
Restricted Stock Units (RSUs) [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	4,879		83,385
Share-based Compensation Arrangement By Share-based Payment Award Options Vested And Expected To Vest, Outstanding Vesting Period			3 years
Stock Appreciation Rights (SARs) [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	28,125		331,250
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period			200,000
Share-based Compensation Common Stock Vested Lump Sum \| $			$ 1.0
Maximum [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value \| $ / shares	$ 18		$ 18
Share-based Compensation Award, Tranche Two [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Stock Appreciation Rights Percentage Exercised			25.00%
Share-based Compensation Award, Tranche Three [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Stock Appreciation Rights Percentage Exercised			25.00%
Share-based Compensation Award, Tranche One [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Stock Appreciation Rights Percentage Exercised			25.00%
Share-based Compensation Award, Tranche Four [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Stock Appreciation Rights Percentage Exercised			25.00%