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- Definition

Restricted Stock, Shares Withheld for Tax Withholdings

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Share-based Compensation Arrangement By Share-based Payment Award, Equity Instruments Other Than Options, Estimated Payout For Calculation Of Compensation Expense, Percent

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- Definition

Share-based Compensation Arrangement By Share-based Payment Award, Equity Instruments Other Than Options, Target Shares For Calculation Of Compensation Expense

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- Definition

Share-based Compensation Arrangement By Share-based Payment Award, Number of Stock Price Target Trading Days During Performance Period

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- Definition

Share-based Compensation Arrangement By Share-based Payment Award, Performance Trading Period

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Share-based Compensation Arrangement By Share-based Payment Award, Units Payable Period Duration

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expected to Vest

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Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Expected to Vest, Weighted Average Grant Date Fair Value

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Number of Shares for Potential Payouts

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Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Target Performance Threshold Percentage

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- Definition

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

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- Definition

Aggregate number of common shares reserved for future issuance.

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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

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

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- Definition

Amount of additional cost recognized for award under share-based payment arrangement from occurrence of event accelerating recognition of cost.

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- Definition

Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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- 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).

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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- Definition

Weighted average remaining contractual term for equity-based awards excluding options, 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 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

The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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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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- Definition

Number of options vested.

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Share Based Compensation (Narrative) (Details)		3 Months Ended		6 Months Ended	12 Months Ended			24 Months Ended	36 Months Ended
Share Based Compensation (Narrative) (Details)	Feb. 27, 2018 shares	Dec. 31, 2019 USD ($) shares	Sep. 27, 2019 shares	Jun. 30, 2017 shares	Dec. 31, 2019 USD ($) d $ / shares shares	Dec. 31, 2018 USD ($) $ / shares shares	Dec. 31, 2017 USD ($) $ / shares shares	Dec. 31, 2015 shares	Jun. 30, 2017 shares	Dec. 31, 2016 shares	Dec. 31, 2014 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense from discontinued operations \| $					$ 986,000	$ 414,000	$ 140,000
Performance trading period					30 days
Allocated share-based compensation expense \| $					$ 2,368,000	$ 2,295,000	$ 979,000
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance period measurement duration \| d					20
2014 Omnibus Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Capital shares reserved for future issuance (in shares)		1,252,915			1,252,915						3,473,435
Capital shares reserved for future issuance, increase (decrease) (in shares)	4,000,000
Unrecognized share-based compensation expense to be recognized in future periods \| $		$ 2,700,000			$ 2,700,000
Weighted average period for recognition of compensation expense related to share based compensation plans					1 year 4 months 24 days
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period					3 years
Unrecognized share-based compensation expense to be recognized in future periods \| $		$ 2,600,000			$ 2,600,000
Units payable period duration					30 days
Compensation not yet recognized (in shares)					2,047,594
Weighted average grant date fair value (in dollars per share) \| $ / shares					$ 2.04
Restricted stock outstanding, weighted average period for vesting					1 year 6 months
Nonvested shares (in shares)		2,411,502			2,411,502	3,150,000	1,033,000			554,000
Vested (in dollars per share) \| $ / shares					$ 2.60	$ 3.72	$ 4.84
Fair value of equity instruments other than options vested during period \| $					$ 4,200,000	$ 100,000	$ 300,000
Number of shares withheld (in shares)					415,723	2,837	25,532
Equity instruments granted during period (in shares)					985,000	2,166,000	745,000
Allocated share-based compensation expense \| $					$ 2,171,000	$ 1,896,000	$ 792,000
Vested (in shares)					1,543,000	36,000	265,000
Restricted stock units \| Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period					1 year
Nonvested shares (in shares)		363,908			363,908
Vested (in dollars per share) \| $ / shares					$ 4.02
Adjusted EBITDA Based Performance
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized share-based compensation expense to be recognized in future periods \| $		$ 100,000			$ 100,000
Weighted average period for recognition of compensation expense related to share based compensation plans					3 months 18 days
Nonvested shares (in shares)		1,473,000			1,473,000	908,000	908,000			723,000
Vested (in dollars per share) \| $ / shares					$ 1.64	$ 0	$ 0
Equity instruments granted during period (in shares)					705,000	0	1,058,000	1,357,942
Award requisite service period					3 years		3 years		3 years
Target shares for calculation of compensation expense (in shares)				0					0
Allocated share-based compensation expense \| $					$ 197,000	$ 399,000	$ 178,000
Vested (in shares)					(62,000)	0	0
Adjusted EBITDA Based Performance \| Grants In 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity instruments granted during period (in shares)					704,500
Estimated payout percentage for calculation of compensation expense		0.00%	100.00%
Target shares for calculation of compensation expense (in shares)		0	601,000		0
Allocated share-based compensation expense \| $					$ 100,000
Adjusted EBITDA Based Performance \| Grants in 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity instruments granted during period (in shares)							1,057,505
Estimated payout percentage for calculation of compensation expense		80.00%	100.00%
Target shares for calculation of compensation expense (in shares)		697,744	872,180		697,744
Allocated share-based compensation expense \| $					$ 100,000
Adjusted EBITDA Based Performance \| A2019 Grant
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized share-based compensation expense to be recognized in future periods \| $		$ 0			0
Adjusted EBITDA Based Performance \| Discontinued Operations, Disposed of by Sale \| North American Fiber Solutions
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense from discontinued operations \| $					$ 500,000
Awards vested upon sale of business (in shares)					303,030
Adjusted EBITDA Based Performance \| Discontinued Operations, Disposed of by Sale \| Metalex
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense from discontinued operations \| $					$ 100,000
Awards vested upon sale of business (in shares)					60,018
Adjusted EBITDA Based Performance \| Minimum \| Executive Officer \| Grants In 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares for potential payout (in shares)					0
Adjusted EBITDA Based Performance \| Minimum \| Executive Officer \| Grants in 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares for potential payout (in shares)							0
Adjusted EBITDA Based Performance \| Maximum \| Executive Officer \| Grants In 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares for potential payout (in shares)					601,000
Adjusted EBITDA Based Performance \| Maximum \| Executive Officer \| Grants in 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares for potential payout (in shares)							872,180
Performance Share Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance trading period					3 years
Performance Share Units \| Minimum \| Awards Granted 2014 Through 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of performance shares awarded, target performance threshold percentage		0.00%			0.00%
Performance Share Units \| Minimum \| Awards Granted in 2017 And 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of performance shares awarded, target performance threshold percentage		0.00%			0.00%
Performance Share Units \| Maximum \| Awards Granted 2014 Through 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of performance shares awarded, target performance threshold percentage		150.00%			150.00%
Performance Share Units \| Maximum \| Awards Granted in 2017 And 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of performance shares awarded, target performance threshold percentage		100.00%			100.00%
Stock Price vesting awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Nonvested shares (in shares)		0			0
Allocated share-based compensation expense \| $					$ 0	$ 0	$ 9,000
Vested (in shares)				0
ROIC Based Performance [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Nonvested shares (in shares)		0			0
Award requisite service period						3 years
Vested (in shares)						0