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Significant Accounting Policies - Additional Information (Detail) |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 25, 2015 | Mar. 31, 2015 | Dec. 31, 2015
Significant Accounting Policies [Line Items] |  |  |
Stock split, stock conversion ratio | 2 | 1 |
Short-term investments maturity period |  |  | Less than three months
Estimated useful lives of definite-lived intangible assets |  |  | 5 years
Changes in assumptions and experience gains and losses |  |  | Greater than 10%
Period of benefit obligation in current liabilities |  |  | Next twelve months
Minimum [Member] | Building [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Annual rates of depreciation on fixed assets |  |  | 2.50%
Minimum [Member] | General Purpose Equipment [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Annual rates of depreciation on fixed assets |  |  | 7.00%
Minimum [Member] | Special Purpose Equipment [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Annual rates of depreciation on fixed assets |  |  | 10.00%
Maximum [Member] | Building [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Annual rates of depreciation on fixed assets |  |  | 5.00%
Maximum [Member] | General Purpose Equipment [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Annual rates of depreciation on fixed assets |  |  | 10.00%
Maximum [Member] | Special Purpose Equipment [Member] |  |  |
Significant Accounting Policies [Line Items] |  |  |
Annual rates of depreciation on fixed assets |  |  | 33.00%

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- Definition Changes in assumptions and experience gains and losses recognized in income. + References No definition available. + Details
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- Definition Period of benefit obligation in current liabilities. + References No definition available. + Details
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- Definition Property plant and equipment depreciation rate. + References No definition available. + Details
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- Definition Short term investments maturity period. + References No definition available. + Details
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- Definition Significant Accounting Policies [Line Items] + References No definition available. + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB TOPIC 4.C) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Stock Split -URI http://asc.fasb.org/extlink&oid=6525746 + Details
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- Details
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- Details
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- Details
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- Details
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