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Shareholders and their Share Ownership (Detail)
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Jun. 30, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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|---|---|---|---|---|---|---|---|---|---|---|
| Related Party Transaction [Line Items] | ||||||||||
| Number of Shares | 204,014,702 | 21,000,000 | 21,000,000 | |||||||
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Genting Hk
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| Related Party Transaction [Line Items] | ||||||||||
| Number of Shares | 10,500,000 | [1] | ||||||||
| Percentage Ownership | 43.40% | 50.00% | [1] | |||||||
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Apollo Funds
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| Related Party Transaction [Line Items] | ||||||||||
| Number of Shares | 7,875,000 | [2] | ||||||||
| Percentage Ownership | 32.50% | 37.50% | [2] | |||||||
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TPG Viking Funds
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| Related Party Transaction [Line Items] | ||||||||||
| Number of Shares | 2,625,000 | [3] | ||||||||
| Percentage Ownership | 10.80% | 12.50% | [3] | |||||||
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