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General - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 0 Months Ended | 3 Months Ended | 12 Months Ended | ||||||
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Mar. 31, 2014
Country
Rigs
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Mar. 31, 2013
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Dec. 31, 2013
Country
Rigs
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Dec. 31, 2012
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Dec. 31, 2011
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Mar. 31, 2014
Exxon Neftegas Limited [Member]
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Mar. 31, 2013
Exxon Neftegas Limited [Member]
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Dec. 31, 2013
Exxon Neftegas Limited [Member]
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Dec. 31, 2012
Exxon Neftegas Limited [Member]
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Dec. 31, 2011
Exxon Neftegas Limited [Member]
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Apr. 22, 2013
ITS [Member]
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Mar. 31, 2014
ITS [Member]
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Dec. 31, 2013
ITS [Member]
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| Revenue, Major Customer [Line Items] | |||||||||||||
| Number of countries in which Entity has operated since inception | 50 | ||||||||||||
| Number of countries in which entity operates | 24 | 24 | |||||||||||
| Number of countries with international rental tools operations | 10 | 10 | |||||||||||
| Barge drilling rigs | 13 | 13 | |||||||||||
| Land rings | 23 | 23 | |||||||||||
| Percentage accounted for under the equity method | 50.00% | 50.00% | 100.00% | ||||||||||
| Reimbursement cost | $ 16.4 | $ 14.8 | $ 69.7 | $ 44.9 | $ 64.2 | ||||||||
| Fair value adjustments for finite lived intangible assets | 8.5 | ||||||||||||
| Weighted average useful life | 3 years 4 months 24 days | 3 years | 3 years | ||||||||||
| Deposits in domestic bank | 50.8 | 104.3 | 12.2 | ||||||||||
| Deposits in foreign banks | $ 43.9 | $ 50.1 | $ 34.5 | ||||||||||
| Percentage of revenue from major customer | 17.10% | 15.10% | 15.60% | 12.00% | 16.00% | ||||||||
| X | ||||||||||
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- Definition
Business Acquisition, Fair Value Adjustments for Finite Lived Intangible Assets No definition available.
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- Definition
Deposits in foreign banks uninsured. No definition available.
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- Definition
Barge drilling rigs owned by company. No definition available.
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- Definition
Land rigs owned by company. No definition available.
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| X | ||||||||||
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- Definition
Number Of Countries In Which Entity Has Operated Since Inception No definition available.
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- Definition
Number of Countries with International Rental Tools Operations No definition available.
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| X | ||||||||||
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- Definition
Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of cash as of the balance sheet date that is not insured by the Federal Deposit Insurance Corporation. No definition available.
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- Definition
For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Cost associated with reimbursable income. This occurs when a services entity incurs expenses on behalf of the client and passes through the cost of reimbursable expenses to a client. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The number of countries in which the entity operates as of balance sheet date. No definition available.
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