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Disclosure - Summary of Significant Accounting Policies - Summary of Adoption Impact of ASC 326 on Unaudited Condensed Consolidated Balance Sheet (Details) link:calculationLink link:presentationLink link:definitionLink 100510 - Disclosure - Summary of Significant Accounting Policies - Summary of Adoption Impact of ASC 326 on Unaudited Condensed Consolidated Balance Sheet (Parenthetical) (Details) link:calculationLink link:presentationLink link:definitionLink 100520 - Disclosure - Summary of Significant Accounting Policies - Summary of Cumulative Effect of Adoption on Consolidated Balance Sheets (Detail) link:calculationLink link:presentationLink link:definitionLink 100530 - Disclosure - Net Loss Per Share - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 100540 - Disclosure - Net Loss Per Share - Computation of Basic and Diluted Earnings Per Share (Detail) link:calculationLink link:presentationLink link:definitionLink 100550 - Disclosure - 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Disclosure - Composition of Certain Balance Sheet Accounts - Schedule of Other Non-Current Assets (Parenthetical) (Detail) link:calculationLink link:presentationLink link:definitionLink 100620 - Disclosure - Composition of Certain Balance Sheet Accounts - Schedule of Accrued Liabilities (Detail) link:calculationLink link:presentationLink link:definitionLink 100630 - Disclosure - Composition of Certain Balance Sheet Accounts - Schedule of Other Non-Current Liabilities (Detail) link:calculationLink link:presentationLink link:definitionLink 100640 - Disclosure - Composition of Certain Balance Sheet Accounts - Schedule of Changes in Non Current Asset Retirement Obligation (Detail) link:calculationLink link:presentationLink link:definitionLink 100650 - Disclosure - Composition of Certain Reserves and Allowances (Detail) link:calculationLink link:presentationLink link:definitionLink 100660 - Disclosure - Composition of Certain Reserves and Allowances - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 100670 - 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