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Share-Based Compensation (Narrative) (Details) - shares |  |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | --- | ---
Jul. 20, 2021 | Jun. 15, 2018 | Mar. 31, 2021 | Jun. 30, 2021 | Dec. 31, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Shares granted under Stock incentive plan |  |  | 119,000 |  |
Maximum shares to be earned |  |  |  | 113,636 |
Share based compensation average annual total stock holders return, description |  |  |  | The percentage of the market performance-based equity award to be earned will be determined based on the Company’s annual return on an investment in the Company’s common stock (“TSR”) over the Interim Performance Period and/or over the Full Performance Period as follows: if average annual TSR (1) is below 4%, the percentage of grant earned would be 0%, (2) equals 4%, the percentage of grant earned would be 33.3%, (3) equals 6.5%, the percentage of grant earned would be 66.7%, and (4) equals 10% or above, the percentage of grant earned would be 100%. |
Common stock, shares issued |  |  |  | 13,628,000 | 13,530,000
Chief Executive Officer [Member] |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Shares granted to Company's President |  | 113,636 |  |  |
Chief Executive Officer [Member] | Subsequent Event [Member] |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Common stock, shares issued | 113,636 |  |  |  |
Dividend equivalents rights paid | 300,000 |  |  |  |
Chief Executive Officer [Member] | Market Performance-Based Equity Award [Member] |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Shares granted under Stock incentive plan |  | 227,272 |  |  |
Dividend equivalent rights |  | 227,272 |  |  |

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- Definition Dividend equivalent rights paid. + References No definition available. + Details
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- Definition Share based compensation arrangement by share based payment award, equity instruments other than options, dividend equivalents number. + References No definition available. + Details
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- Definition Share based compensation arrangement by share based payment award equity instruments other than options maximum shares to be earned. + References No definition available. + Details
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- Definition Share based compensation average annual stock holders return percentage description. + References No definition available. + Details
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- Definition Shares granted to key employee. + References No definition available. + Details
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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)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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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 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + 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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