Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($) $ in Thousands |
6 Months Ended | ||
|---|---|---|---|
Jan. 01, 2019 |
Jun. 30, 2019 |
Jun. 30, 2018 |
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| Significant Accounting Policies [Line Items] | |||
| Additional operating lease assets | $ (814) | $ 0 | |
| Additional operating lease liabilities | $ (299) | $ 0 | |
| Accounting Standards Update 2016-02 | |||
| Significant Accounting Policies [Line Items] | |||
| Additional operating lease assets | $ 14,300 | ||
| Additional operating lease liabilities | 15,300 | ||
| Corresponding lease obligation | 10,300 | ||
| Cumulative effect adjustment to opening balance of accumulated deficit, expected decrease | $ 400 | ||
| X | ||||||||||
- Definition Asset and corresponding lease obligation. No definition available.
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- Definition Increase (decrease) in operating lease assets. No definition available.
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| X | ||||||||||
- Definition Increase (decrease) in operating lease liabilities. No definition available.
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- Definition Significant accounting policies. No definition available.
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- Definition Amount of cumulative effect of the change in accounting principle or new accounting pronouncement on retained earnings or other components of equity or net assets in the statement of financial position as of the beginning of the earliest period presented. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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