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Leases - Summary of Future Minimum Lease and Royalty Commitments for all Noncancelable Agreements and Capital Lease Obligations (Detail) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
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Leases [Abstract] |  |
2019 |  | $ 3,718
2020 | $ 3,196 | 2,695
2021 | 1,951 | 1,735
2022 | 1,094 | 1,004
2023 | 779 | 713
Thereafter | 4,177 | 3,893
Total lease payments | 13,103 | 13,758
Less: imputed interest | (2,740) | (2,879)
Total finance lease liabilities | 10,363 | 10,879
Less: current lease obligations | (3,268) | (3,249)
Other noncurrent liabilities | 7,095 | 7,630
2019 |  | 105,955
2020 | 65,623 | 70,478
2021 | 53,662 | 60,382
2022 | 49,131 | 57,531
2023 | 46,313 | 56,511
Thereafter | 432,382 | 318,147
Total lease payments | $ 682,604 | 669,004
2019 |  | 14,614
2020 |  | 11,364
2021 |  | 10,335
2022 |  | 9,545
2023 |  | 8,109
Thereafter |  | 65,981
Total |  | $ 119,948

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