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Derivatives - Narrative (Details) - USD ($) $ in Thousands | 6 Months Ended |  |  |
--- | --- | --- | --- | ---
Jun. 30, 2020 | Dec. 31, 2019 | Dec. 23, 2019 | Aug. 05, 2016
Revenue and cost of sales |  |  |  |
Derivative [Line Items] |  |  |  |
Amount expected to be reclassified from accumulated other comprehensive income (loss) to earnings in next twelve months, gross | $ (1,200) |  |  |
Amount expected to be reclassified from accumulated other comprehensive income to earnings (loss) in next twelve months, net of tax | (900) |  |  |
Interest expense |  |  |  |
Derivative [Line Items] |  |  |  |
Amount expected to be reclassified from accumulated other comprehensive income (loss) to earnings in next twelve months, gross | (1,700) |  |  |
Amount expected to be reclassified from accumulated other comprehensive income to earnings (loss) in next twelve months, net of tax | (1,300) |  |  |
Interest rate swap | Wells Fargo 1.12% one-month LIBOR | Designated as hedging instrument |  |  |  |
Derivative [Line Items] |  |  |  |
Notional amount of derivative |  |  |  | $ 175,000
Fair value of derivative asset |  | $ 1,200 |  |
Fair value of derivative liability | 5,300 |  |  |
Deferred tax liability used to offset fair value of interest rate swap | $ 1,400 | 307 |  |
Interest rate swap | Wells Fargo 1.12% one-month LIBOR | LIBOR Swap Rate | Designated as hedging instrument |  |  |  |
Derivative [Line Items] |  |  |  |
Fixed rate |  |  |  | 1.12%
Interest rate swap | Wells Fargo 1.71% one-month LIBOR | Designated as hedging instrument |  |  |  |
Derivative [Line Items] |  |  |  |
Notional amount of derivative |  |  | $ 75,000 |
Fair value of derivative liability |  | 290 |  |
Deferred tax asset used to offset fair value of interest rate swap |  | $ (75) |  |
Interest rate swap | Wells Fargo 1.71% one-month LIBOR | LIBOR Swap Rate | Designated as hedging instrument |  |  |  |
Derivative [Line Items] |  |  |  |
Fixed rate |  |  | 1.71% |
Foreign currency forward contracts |  |  |  |
Derivative [Line Items] |  |  |  |
Maturity of derivative contract (up to) | 2 years |  |  |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=112277219&loc=d3e80748-113994 + Details
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