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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

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- 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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- Definition Share-based Compensation Arrangement by Share-based Payment Award, Other Than Options, Outstanding, Weighted Average Exercise Price + References No definition available. + Details
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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. + Details
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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. + Details
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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 + Details
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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 + Details
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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 Reference 2: 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)(i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Details
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