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Capital Requirements and Restriction on Retained Earnings - Additional Information (Detail) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 USD ($)
Commitments and Contingencies Disclosure [Abstract] |
Net profits available to pay dividends to CBI | $ 23,289

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- Definition Amount after tax of income (loss) of subsidiary attributable to the parent entity. + References No definition available. + Details
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