Preferred Stock - Additional Information (Detail) - shares |
Dec. 31, 2015 |
Dec. 31, 2014 |
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| Equity [Abstract] | ||
| Preferred stock, shares authorized | 10,000,000 | 10,000,000 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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