Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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

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Face (par) amount of debt instrument at time of issuance.

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Fixed interest rate related to the interest rate derivative.

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The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

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The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

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Amount of gain (loss) from the ineffectiveness of the hedge.

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Description of where the foreign currency derivatives are reported in the balance sheet.

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Description of where the interest rate derivatives are reported in the balance sheet.

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Fair value portion of asset contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward contracts, and swaps.

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Fair value portion of liability contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward (delivery or nondelivery) contracts, and swaps entered into.

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Fair value as of the balance sheet date of interest rate derivative assets, net of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized on the balance sheet.

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Fair Value of Financial Instruments (Details)	12 Months Ended
Fair Value of Financial Instruments (Details)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Fair value of financial instruments:
Derivative, Net Hedge Ineffectiveness Gain (Loss)	$ 0	$ 0	$ 0
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	(385,000)	517,000	(289,000)
Cost of Sales [Member]
Fair value of financial instruments:
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	68,000	445,000	12,000
Selling, General and Administrative Expenses [Member]
Fair value of financial instruments:
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	$ 0	$ 67,000	2,000
Assets [Member]
Fair value of financial instruments:
Description of Location of Foreign Currency Derivatives on Balance Sheet	Prepaid expense other current assets	Prepaid expense other current assets
Foreign Currency Contract, Asset, Fair Value Disclosure	$ 0	$ 0
Derivative, Notional Amount	$ 0	$ 0
Liability [Member]
Fair value of financial instruments:
Description of Location of Foreign Currency Derivatives on Balance Sheet	Accrued liabilities other	Accrued liabilities other
Foreign Currency Contracts, Liability, Fair Value Disclosure	$ 750,000	$ 298,000
Derivative, Notional Amount	27,588,000	8,766,000
Interest Rate Swap [Member]
Fair value of financial instruments:
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	(223,000)	0	0
Interest Rate Swap [Member] \| Interest Expense [Member]
Fair value of financial instruments:
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	(159,000)	0	$ 0
Interest Rate Swap [Member] \| Assets [Member]
Fair value of financial instruments:
Derivative, Notional Amount	$ 0	0
Description of Location of Interest Rate Derivatives on Balance Sheet	Other non-current assets
Interest Rate Derivatives, at Fair Value, Net	$ 0	0
Interest Rate Swap [Member] \| Liability [Member]
Fair value of financial instruments:
Derivative, Notional Amount	$ 32,375,000	0
Description of Location of Interest Rate Derivatives on Balance Sheet	Other non-current liabilities
Interest Rate Derivatives, at Fair Value, Net	$ 65,000	$ 0
Interest Rate Swap [Member]
Fair value of financial instruments:
Debt instrument, face amount	$ 35,000,000
Derivative, Fixed Interest Rate	2.49%
MEXICO \| Minimum [Member]
Fair value of financial instruments:
Derivative, Forward Exchange Rate	19.52	19.17
MEXICO \| Maximum [Member]
Fair value of financial instruments:
Derivative, Forward Exchange Rate	20.47	20.41
CANADA \| Minimum [Member]
Fair value of financial instruments:
Derivative, Forward Exchange Rate	1.28
CANADA \| Maximum [Member]
Fair value of financial instruments:
Derivative, Forward Exchange Rate	1.33