Fair Value Measurements - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Fair Value, Gross Asset	$ 2,200	$ 1,600
Derivative Liability	23,300	9,000
Cash Equivalents, at Carrying Value	14,300	8,200
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Fair Value, Gross Asset	2,227	1,568
Derivative Liability, Fair Value, Gross Liability	23,291	9,017
Change in Carrying Value Verse Fair Value of Long Term Debt	57,400
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value	2,227	1,568
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value	1,399	2,392
Interest Rate Derivative Liabilities, at Fair Value	2,502	1,548
Foreign Currency Cash Flow Hedge Liability at Fair Value	6,297	4,706
Short-Term Interest Rate Swap [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest Rate Derivative Liabilities, at Fair Value	0	371
Short-Term Cross Currency Swap | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign Currency Cash Flow Hedge Liability at Fair Value	$ 13,093	$ 0