Future Minimum Payments Under Non-Cancelable Portion of Operating Leases and Non-Cancelable Purchase Commitments (Detail) - Term Loan and Sublicense Agreement $ in Thousands	Dec. 31, 2018 USD ($)
Future Minimum Payments Under Noncancelable Operating Leases And Purchase Commitments [Line Items]
2019	$ 22,378
2020	12,256
2021	5,144
2022	5,212
2023	109,760
Thereafter	39,523
Total	$ 194,273

Future minimum payments under noncancelable operating leases and purchase commitments.

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Operating leases and purchase commitments future minimum payments due.

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Operating leases and purchase commitments future minimum payments due current.

No definition available.

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Operating leases and purchase commitments future minimum payments due in five years.

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Operating leases and purchase commitments future minimum payments due in four years.

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Operating leases and purchase commitments future minimum payments due in three years.

No definition available.

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Operating leases and purchase commitments future minimum payments due in two years.

No definition available.

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Operating leases and purchase commitments future minimum payments due thereafter.

No definition available.

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