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Significant Accounting Policies - EPS (Details) - $ / shares |  | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | ---
Sep. 07, 2018 | Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017 | Aug. 31, 2018 | Dec. 31, 2017
Schedule of reconciliation of shares used to calculate basic and diluted earnings per share |  |  |  |  |  |  |
Common stock, shares authorized |  | 32,000,000 |  | 32,000,000 |  |  | 32,000,000
Common stock, par value |  | $ 0.01 |  | $ 0.01 |  |  | $ 0.01
Common stock, shares issued |  | 21,707,599 |  | 21,707,599 |  |  | 11,167,425
Common stock, shares outstanding |  | 21,707,599 |  | 21,707,599 |  |  | 11,167,425
Preferred stock, shares authorized |  | 8,000,000 |  | 8,000,000 |  |  | 8,000,000
Preferred stock, shares issued |  | 0 |  | 0 |  |  | 0
Preferred stock, shares outstanding |  | 0 |  | 0 |  |  | 0
Dividends declared, per share |  |  |  |  |  | $ 0.50 |
Dividends paid, per share | $ 0.50 |  |  |  |  |  |
Antidilutive stock options |  | 681 | 0 | 583 | 0 |  |
Weighted average shares outstanding used to compute basic earnings per share |  | 17,799,000 | 10,701,000 | 13,141,000 | 10,671,000 |  |
Incremental shares issuable upon the assumed exercise of stock options |  |  | 38,000 |  | 38,000 |  |
Unvested restricted stock and restricted stock units |  |  | 471,000 |  | 465,000 |  |
Shares used to compute diluted earnings (loss) per share |  | 17,799,000 | 11,210,000 | 13,141,000 | 11,174,000 |  |

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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- Definition Number of additional shares included in diluted EPS for potentially dilutive effect of nonvested equity-based payment award containing forfeitable rights to dividends or dividend equivalents, whether paid or unpaid. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 28A -URI http://asc.fasb.org/extlink&oid=109260490&loc=d3e1500-109256 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 68B -URI http://asc.fasb.org/extlink&oid=109260490&loc=SL5498026-109256 + Details
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- Definition Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 28A -URI http://asc.fasb.org/extlink&oid=109260490&loc=d3e1500-109256 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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- Definition The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws. + 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(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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