Employee Service, Second Lien Note Based, Award Vesting Period

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- Definition

Employee Service, Second Lien Note Based, Period for Recognition

+ References

No definition available.

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- Definition

The amount of expense, net of income tax, 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

No definition available.

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- Definition

Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
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-Name Accounting Standards Codification
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-Section S99
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-Subparagraph (SX 210.9-03(16))
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- Definition

Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock.

+ References

No definition available.

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- Definition

The number of equity instruments that the holder of the debt instrument would receive if the debt was converted to equity.

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

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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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- 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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- 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

Number of share instruments newly issued under a share-based compensation plan.

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- Definition

Percentage of vesting of share-based compensation awards.

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Share-based Compensation - Narrative (Details)				9 Months Ended
Share-based Compensation - Narrative (Details)	Sep. 10, 2018 shares	Apr. 25, 2018 $ / shares shares	Sep. 01, 2017 shares $ / shares	Sep. 30, 2018 USD ($)
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense				$ 3,655,000
Weighted average recognition period				1 year 10 months 7 days
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based compensation expense				$ 0
A.M. Castle & Co. 2017 Management Incentive Plan \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted shares issued (in shares) \| shares		69,000	1,734,000
Number of shares convertible (in shares) \| shares			638,000
Award vesting period		1 year	3 years
Weighted average grant date fair value (in dollars per share) \| $ / shares			$ 3.14
Granted (in dollars per share) \| $ / shares		$ 4.35
A.M. Castle & Co. 2017 Management Incentive Plan \| Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance share units granted \| shares	644,000
Second Lien Notes \| A.M. Castle & Co. 2017 Management Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Convertible debt				2,400,000
Unrecognized compensation expense				$ 1,469,000
Weighted average recognition period				1 year 11 months
Vesting period				3 years
Fair value of debt				$ 2,300,000
Vesting Upon Achievement of Defined Enterprise Value
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting of share awards (as a percent)				50.00%
Vesting Upon Achievement of the Defined Enterprise Value
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting of share awards (as a percent)				100.00%