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Share-Based Compensation (Narrative) (Details) - USD ($) |  |  | 12 Months Ended
--- | --- | --- | ---
Jun. 15, 2018 | Jun. 15, 2011 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Weighted-average grant date fair value per share |  |  | $ 3.22 |  |
Fair value of vested shares |  |  | $ 485,000 | $ 7,556,000 | $ 890,000
Shares vested |  |  | 144,000 |  |
Shares forfeited |  |  | 30,000 |  |
Grant date market price | $ 4.38 |  |  |  |
Shares granted under Stock incentive plan |  |  | 522,000 |  |
Effective date of the employment agreement | Jun. 15, 2023 |  |  |  |
Maximum shares to be earned |  |  | 750,000 |  |
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 average annual 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%. |  |
Chief Executive Officer [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Shares granted to Company's President |  | 2,500,000 |  |  |
Average annual TSR threshold |  | 6.50% |  |  |
Vesting period |  | 7 years |  |  |
Time-Based Awards [Member] | Chief Executive Officer [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Shares vested | 1,250,000 |  |  |  |
Performance-Based Shares [Member] | Chief Executive Officer [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Shares forfeited | 1,250,000 |  |  |  |
Time-Based Restricted Shares [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Shares will vest upon the fifth anniversary | 1,000,000 |  |  |  |
Market Performance-Based Equity Award [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Share based compensation, interim period other than option grant, price per share | $ 3.30 |  |  |  |
Share based compensation, full performance period other than option grant, price per share | $ 2.97 |  |  |  |
Market Performance-Based Equity Award [Member] | Chief Executive Officer [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Shares granted under Stock incentive plan | 1,500,000 |  |  |  |
Dividend equivalent rights | 1,500,000 |  |  |  |
2017 Plan [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Shares available for grant under Stock Incentive Plan | 250,000 |  | 2,400,000 |  |
Aggregate cost of awards not yet recognized |  |  | $ 9,000,000 |  |
Unrecognized cost recognition period |  |  | 2 years 9 months 18 days |  |
Shares granted under Stock incentive plan | 750,000 |  |  |  |
2017 Plan [Member] | Time-Based Awards [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Shares issued |  |  | 522,000 | 610,000 | 305,000
Weighted-average grant date fair value per share |  |  | $ 3.22 | $ 4.93 | $ 6.20
New Amended and Restated Employment Agreement [Member] | Time-Based Restricted Shares [Member] | Chief Executive Officer [Member] |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Shares granted to Company's President | 1,000,000 |  |  |  |
Grant date market price | $ 4.38 |  |  |  |

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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. + 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 (i) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + 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=116856206&loc=d3e5070-113901 + Details
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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). + 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=116856206&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + 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)(2) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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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. + 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 (d)(2) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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