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Derivative Instruments and Hedging Activities - Net Investment Hedges (Details) - Net Investment Hedges € in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Aug. 31, 2019 EUR (€)	Aug. 31, 2019 USD ($)
Derivative [Line Items]
Cumulative net gains	$ 5,388
Cross-currency swap agreements
Derivative [Line Items]
Notional amount			€ 99,055	$ 110,000
Interest rate			6.00%	6.00%
Weighted average interest rate			3.65%	3.65%
Unrealized gains	6,370
Other Assets, Net \| Cross-currency swap agreements
Derivative [Line Items]
Derivative asset	$ 5,388
Derivative liability		$ 982