Debt Liability related to sale of future royalties (Details) - Rpi Finance Trust - Royalty Arrangement [Member] $ in Thousands	6 Months Ended
Jun. 30, 2018 USD ($)
Movement in Deferred Revenue [Roll Forward]
Fair value, liability related to sale of future royalties, beginning balance	$ 182,216
Non-cash interest expenses	19,791
Fair value, liability related to sale of future royalties, ending balance	$ 202,007

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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