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Derivatives - Narrative (Details) - USD ($) |  | 3 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 19, 2012 | Mar. 31, 2017 | Dec. 31, 2016 | Aug. 05, 2016
Derivative [Line Items] |  |  |  |
Accumulated other comprehensive income (loss), interest rate swap, tax benefit |  |  | $ (1,941,000) |
Revenue and cost of sales |  |  |  |
Derivative [Line Items] |  |  |  |
Amount expected to be reclassified from accumulated other comprehensive income to earnings in next twelve months, gross |  | $ 156,000 |  |
Amount expected to be reclassified from accumulated other comprehensive income to earnings in next twelve months, net of tax |  | 95,000 |  |
Interest expense |  |  |  |
Derivative [Line Items] |  |  |  |
Amount expected to be reclassified from accumulated other comprehensive income to earnings in next twelve months, gross |  | 334,000 |  |
Amount expected to be reclassified from accumulated other comprehensive income to earnings in next twelve months, net of tax |  | 204,000 |  |
Interest rate swap |  |  |  |
Derivative [Line Items] |  |  |  |
Notional amount of derivative | $ 150,000,000 |  |  | $ 42,500,000
Fixed rate | 0.9825% |  |  | 1.12%
Quarterly reduction of notional amount | 50.00% |  |  |
Accumulated other comprehensive income (loss), interest rate swap, tax benefit |  | $ (2,091,000) |  |
Interest rate swap | Maximum |  |  |  |
Derivative [Line Items] |  |  |  |
Notional amount of derivative |  |  |  | $ 175,000,000

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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Namespace Prefix: | invest_
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Balance Type: | na
Period Type: | instant

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- Definition Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Tax + References No definition available. + Details
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- Definition Cash Flow Hedge Gain (Loss) To Be Reclassified Within Twelve Months, Gross + References No definition available. + Details
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- Definition Derivative, Quarterly Reduction of Notional Amount + References No definition available. + Details
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- Definition The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=35736893&loc=d3e80748-113994 + Details
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- Definition Fixed interest rate related to the interest rate derivative. + References No definition available. + 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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- Details
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- Details
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- Details
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- Details
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