Employee Benefits and Share Option Plans - Additional information (Detail) (USD $)
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3 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 12 Months Ended | |||||||||||||||||||
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Dec. 31, 2012
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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Jan. 31, 2013
Performance Incentive Plan
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Jan. 31, 2013
Performance Incentive Plan
Minimum
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Jan. 31, 2013
Performance Incentive Plan
Maximum
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Dec. 31, 2013
401(k) Plan
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Dec. 31, 2013
401(k) Plan
The first 3%
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Dec. 31, 2013
401(k) Plan
The next 4%-10%
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Dec. 31, 2013
401(k) Plan
The next 4%-10%
Minimum
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Dec. 31, 2013
401(k) Plan
The next 4%-10%
Maximum
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Dec. 31, 2013
Supplemental Executive Retirement Plan (SERP)
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Dec. 31, 2012
Supplemental Executive Retirement Plan (SERP)
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Dec. 31, 2013
Shipboard Retirement Plan
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Dec. 31, 2012
Shipboard Retirement Plan
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Dec. 31, 2013
Non Recurring Costs
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Dec. 31, 2013
TBUs
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Dec. 31, 2013
Performance-Based Units
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Dec. 31, 2013
Restricted Stock
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Dec. 31, 2013
Options
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Dec. 31, 2013
TBUs and PBUs
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Dec. 31, 2012
TBUs and PBUs
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Dec. 31, 2011
TBUs and PBUs
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Stock Based Compensation And Employee Benefit Plans [Line Items] | ||||||||||||||||||||||||
Percentage of profit interests granted to senior management | 50.00% | 50.00% | ||||||||||||||||||||||
Share based award, vesting period | 4 years | 5 years | 5 years | 2 years | ||||||||||||||||||||
Total intrinsic value of stock options exercised | $ 1,400,000 | $ 33,300,000 | $ 0 | $ 0 | ||||||||||||||||||||
Unrecognized compensation expense | 200,000 | 1,000,000 | ||||||||||||||||||||||
Weighted average period for recognition of unrecognized compensation expense | 1 year 3 months 18 days | 3 years 4 months 24 days | 3 years 9 months 18 days | |||||||||||||||||||||
Total fair value of shares vested | 200,000 | 1,400,000 | 1,400,000 | 1,400,000 | ||||||||||||||||||||
Share options and ordinary shares, authorized | 15,035,106 | |||||||||||||||||||||||
Maximum number of shares that can be granted to one individual | 5,000,000 | |||||||||||||||||||||||
Share based award, contractual life | 7 years | 10 years | ||||||||||||||||||||||
Weighted-average grant-date fair value of options granted | $ 6.38 | |||||||||||||||||||||||
Proceeds from the exercise of share options | 2,020,000 | |||||||||||||||||||||||
Total unrecognized compensation cost related to share options granted | 23,800,000 | |||||||||||||||||||||||
Share-based compensation expense | 4,500,000 | 23,100,000 | 5,200,000 | 1,200,000 | 18,500,000 | |||||||||||||||||||
Maximum percentage of employee eligible compensation that may be contributed towards 401(k) | 100.00% | |||||||||||||||||||||||
Employer matching contribution percent | 100.00% | 50.00% | ||||||||||||||||||||||
Defined contribution plan, percentage of employee contribution | 3.00% | 4.00% | 10.00% | |||||||||||||||||||||
Matching contributions vesting period | 5 years | |||||||||||||||||||||||
Forfeited contributions utilized | 100,000 | 100,000 | 200,000 | |||||||||||||||||||||
Participants' deferred compensation accounts under the SERP Plan | 500,000 | 400,000 | ||||||||||||||||||||||
Recorded expenses related to 401k plan and SERP | 3,300,000 | 2,800,000 | 2,600,000 | |||||||||||||||||||||
Projected benefit obligation included in accrued expenses and other liabilities | 800,000 | 700,000 | ||||||||||||||||||||||
Projected benefit obligation included in other long term liabilities | $ 14,800,000 | $ 15,500,000 | ||||||||||||||||||||||
Discount rate used in the net periodic benefit cost calculation | 3.80% | 4.70% | 5.50% | |||||||||||||||||||||
Amortization period of losses | 19 years 1 month 21 days |