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Assets and Liabilities Held for Sale - Summary of Assets and Liabilities of GPT Disposal Group Classified as Held for Sale (Detail) - USD ($) $ in Thousands | Sep. 30, 2019 | Dec. 31, 2018
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Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] |  |
Total assets held for sale | $ 6,742 | $ 69,699
Total liabilities held for sale | 6,742 | 13,062
GPT |  |
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items] |  |
Cash | 1,422 |
Accounts receivable, net | 2,238 |
Inventory, net | 4,936 |
Prepaid expenses and other assets | 215 |
Operating lease right-of-use assets | 3,926 |
Property and equipment, net | 7,356 |
Other intangible assets, net | 1,033 |
Deferred income tax assets | 4,371 |
Impairment loss | (18,910) | $ (2,190)
Total assets held for sale | 6,587 |
Accounts payable | 420 |
Accrued liabilities | 2,238 |
Operating lease liabilities | 3,929 |
Total liabilities held for sale | $ 6,587 |

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