Derivative Financial Instruments - Fair Value Derivatives (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Derivative [Line Items]
Interest rate swap agreements	$ 3	$ 82
Derivatives designated as hedging instruments | Interest rate swap agreements
Derivative [Line Items]
Interest rate swap agreements	3	82
Derivative liability	9,241	3,630
Derivatives designated as hedging instruments | Prepaid expenses and other current assets | Interest rate swap agreements
Derivative [Line Items]
Interest rate swap agreements	3	42
Derivatives designated as hedging instruments | Other long-term assets | Interest rate swap agreements
Derivative [Line Items]
Interest rate swap agreements	0	40
Derivatives designated as hedging instruments | Accrued other current liabilities | Interest rate swap agreements
Derivative [Line Items]
Derivative liability	782	4
Derivatives designated as hedging instruments | Derivative liabilities | Interest rate swap agreements
Derivative [Line Items]
Derivative liability	$ 8,459	$ 3,626