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Share-Based Compensation - Schedule of Compensation Cost for Cash-settled Restricted Stock (Details) - Cash-settled Restricted Stock - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |
Total expense before income taxes | $ 1,503 | $ 610 | $ 3,533 | $ 2,227
Income tax benefit | (159) | (51) | (346) | (210)
Total expense after income taxes | 1,344 | 559 | 3,187 | 2,017
Cost of goods sold |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |
Total expense before income taxes | 336 | 102 | 836 | 515
Selling, general and administrative expenses |  |  |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |
Total expense before income taxes | $ 1,167 | $ 508 | $ 2,697 | $ 1,712

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- Definition Amount, after tax, of expense for award under share-based payment arrangement. + References No definition available. + Details
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- Definition Amount of tax benefit for recognition of expense of award under share-based payment arrangement. + 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 (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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