Derivatives and Hedging Activities - Fair Value of Derivatives and Balance Sheet Classification (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Derivatives, Fair Value [Line Items]
Asset Derivatives	$ 817	$ 583
Liability Derivatives	(765)	(1,463)
Derivatives not designated as hedging instruments | Interest rate products | Accrued liabilities
Derivatives, Fair Value [Line Items]
Asset Derivatives	0	0
Liability Derivatives	(288)	0
Derivatives not designated as hedging instruments | Interest rate products | Other assets / Long-term derivative liability
Derivatives, Fair Value [Line Items]
Asset Derivatives	0
Liability Derivatives	(477)	0
Derivatives designated as hedging instruments | Interest rate products | Prepaid expenses and other current assets / Accrued expenses
Derivatives, Fair Value [Line Items]
Asset Derivatives	0	15
Liability Derivatives	0	(12)
Derivatives designated as hedging instruments | Interest rate products | Other assets / Long-term derivative liability
Derivatives, Fair Value [Line Items]
Asset Derivatives	0	0
Liability Derivatives	0	(9)
Derivatives designated as hedging instruments | Cross-currency swap | Prepaid expenses and other current assets / Accrued expenses
Derivatives, Fair Value [Line Items]
Asset Derivatives	655	568
Liability Derivatives	0	0
Derivatives designated as hedging instruments | Cross-currency swap | Long-term derivative liability
Derivatives, Fair Value [Line Items]
Asset Derivatives	162	0
Liability Derivatives	$ 0	$ (1,442)