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Stock-Based Compensation (SAR Activity) (Details) - Stock Appreciation Rights (SARs) [Member] - $ / shares	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding at the beginning of the year
Granted	1,164,464
Forfeited or expired	310,497
Outstanding at the end of the year	853,967
Weighted-Average Grant Date Fair Value, Nonvested at the beginning of the year (per share)
Weighted Average Grant Date Fair Value, Granted (per share)	1.68
Weighted Average Grant Date Fair Value, Forfeited or expired (per share)	1.64
Weighted-Average Grant Date Fair Value, Nonvested at the end of the year (per share)		$ 1.69

X

- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Other Than Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price

+ References

No definition available.

+ Details

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X

- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Other Than Options, Outstanding, Weighted Average Exercise Price

+ References

No definition available.

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- Definition

Share-based Compensation Arrangements by Share-based Payment Award, Other Than Options, Grants in Period, Weighted Average Exercise Price

+ References

No definition available.

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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 shares under non-option equity instrument agreements that were either cancelled or expired.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(3)-(4)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(ii)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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