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v3.19.3.a.u2

Summary of Significant Accounting Policies - Schedule of Impacts to Consolidated Balance Sheet Upon Adoption of 842 Guidance (Detail) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | --- | ---
Assets |  |  |
Property and equipment, net | $ 42,743 | $ 127,198 |
Finance lease right-of-use assets | 39,602 | 0 |
Liabilities, stockholders’ equity and non-controlling interests |  |  |
Finance lease liabilities, current | 12,351 | 0 |
Deferred rent |  | 3,038 |
Finance lease liabilities, non-current | 37,610 | 0 |
Accumulated deficit | (784,720) | $ (715,827) | $ (630,657)
Derecognition Build to Suit Lease Assets [Member] | Building Shell [Member] |  |  |
Assets |  |  |
Property and equipment, net | (53,880) |  |
Derecognition Build to Suit Lease Assets Accumulated Depreciation [Member] | Building Shell [Member] |  |  |
Assets |  |  |
Property and equipment, net | 13,476 |  |
Leasehold Improvements Accumulated Depreciation [Member] |  |  |
Assets |  |  |
Property and equipment, net | (38,877) |  |
Recognition Finance Lease Assets [Member] |  |  |
Assets |  |  |
Finance lease right-of-use assets | 49,597 |  |
Recognition Operating Lease Assets [Member] |  |  |
Assets |  |  |
Other assets | 730 |  |
Derecognition Deferred Rent Current [Member] |  |  |
Liabilities, stockholders’ equity and non-controlling interests |  |  |
Accrued and other current liabilities | (619) |  |
Derecognition Build to Suit Lease Liabilities Current [Member] |  |  |
Liabilities, stockholders’ equity and non-controlling interests |  |  |
Accrued and other current liabilities | (545) |  |
Recognition Operating Lease Liabilities Current [Member] |  |  |
Liabilities, stockholders’ equity and non-controlling interests |  |  |
Accrued and other current liabilities | 404 |  |
Recognition Finance Lease Liabilities Current [Member] |  |  |
Liabilities, stockholders’ equity and non-controlling interests |  |  |
Finance lease liabilities, current | 11,499 |  |
Derecognition Build to Suit Lease Liabilities Non Current [Member] |  |  |
Liabilities, stockholders’ equity and non-controlling interests |  |  |
Long-term portion of lease obligations | (95,613) |  |
Derecognition Deferred Rent Non Current [Member] |  |  |
Liabilities, stockholders’ equity and non-controlling interests |  |  |
Deferred rent | (3,038) |  |
Recognition Finance Lease Liabilities Non Current [Member] |  |  |
Liabilities, stockholders’ equity and non-controlling interests |  |  |
Finance lease liabilities, non-current | 49,884 |  |
Recognition Operating Lease Liabilities Non Current [Member] |  |  |
Liabilities, stockholders’ equity and non-controlling interests |  |  |
Other long-term liabilities | 250 |  |
Cumulative Decrease to Accumulated Deficit [Member] |  |  |
Liabilities, stockholders’ equity and non-controlling interests |  |  |
Accumulated deficit | $ 8,688 |  |

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