Derivatives - Narrative (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 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	$ (2,300)
Amount expected to be reclassified from accumulated other comprehensive income to earnings (loss) in next twelve months, net of tax	(1,700)
Interest expense
Derivative [Line Items]
Amount expected to be reclassified from accumulated other comprehensive income (loss) to earnings in next twelve months, gross	(1,600)
Amount expected to be reclassified from accumulated other comprehensive income to earnings (loss) in next twelve months, net of tax	(1,200)
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	4,900
Deferred tax liability used to offset fair value of interest rate swap		307
Deferred tax asset used to offset fair value of interest rate swap	$ (1,300)
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