Net Investment Hedge Net Investment Hedge (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Cumulative translation adjustment	$ 24,121	$ 27,802	$ (65,046)
Senior Subordinated Notes
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Cumulative translation adjustment	$ 26,600	$ 87,500	$ (56,200)

Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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