Fair Value Measurements (Fair Value of Assets and Liabilities Measured on Recurring Basis) (Details) - Recurring Basis - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Level 1
Assets
Derivative financial instruments	$ 0	$ 0
Contingent consideration arrangements	0	0
Liabilities
Derivative financial instruments	0	0
Contingent consideration arrangements	0	0
Net Derivative Fair Value	0	0
Level 2
Assets
Derivative financial instruments	31,942	9,338
Contingent consideration arrangements	1,307	25,934
Liabilities
Derivative financial instruments	(37,798)	(34,132)
Contingent consideration arrangements	(3,563)	(69,760)
Net Derivative Fair Value	(8,112)	(68,620)
Level 3
Assets
Derivative financial instruments	0	0
Contingent consideration arrangements	0	0
Liabilities
Derivative financial instruments	0	0
Contingent consideration arrangements	0	0
Net Derivative Fair Value	$ 0	$ 0

Amount of asset recognized arising from contingent consideration in a business combination.

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Amount of liability recognized arising from contingent consideration in a business combination.

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

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