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Common Stock And Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands |  | 12 Months Ended
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Jul. 30, 2018 | Dec. 31, 2018
Equity [Abstract] |  |
Shares of common stock sold in public offering (in shares) | 4,025,000 |
Procceds from public offering, net | $ 205,000 |
Underwriting discounts and commissions | 12,000 |
Other direct costs incurred | $ 366 | $ 366

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- Definition Underwriting Discounts and Commissions, Issuance of Common Stock + References No definition available. + Details
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- References No definition available. + Details
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- Definition The cash outflow for cost incurred directly with the issuance of an equity security. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 + Details
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- Definition Cash received on stock transaction after deduction of issuance costs. + References No definition available. + Details
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