Contractual interest rate for funds borrowed, under the debt agreement.

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Derivative Financial Instruments - Narrative (Details) - USD ($)	Mar. 31, 2020	Dec. 31, 2019	Oct. 14, 2019	Nov. 19, 2013
Convertible Senior Notes 1.00 percent due December 2020
Derivative [Line Items]
Interest rate, as a percentage	1.00%	1.00%		1.00%
Interest Rate Swap Contracts
Derivative [Line Items]
Expected reclassification of derivative-related losses into earnings	$ 21,800,000
November 2, 2020 - December 31, 2020 \| Cash Flow Hedging \| Foreign currency forward contracts
Derivative [Line Items]
Notional amount			$ 150,000,000
Weighted average fixed rate			126.70%