|
Summary of Significant Accounting Policies (Details 3) (USD $)
|
12 Months Ended | 12 Months Ended | 12 Months Ended | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2013
Drilling and Rig Services
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Dec. 31, 2012
Drilling and Rig Services
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Dec. 31, 2012
U.S.
|
Dec. 31, 2013
U.S.
|
Dec. 31, 2012
International
|
Dec. 31, 2013
Rig Services
|
Dec. 31, 2012
Rig Services
|
Dec. 31, 2013
Completion and Production Services
|
Dec. 31, 2011
Completion and Production Services
|
Dec. 31, 2013
Completion
|
Dec. 31, 2012
Completion
|
Dec. 31, 2011
Completion
|
Dec. 31, 2013
Production
|
Dec. 31, 2011
Production
|
|
| Change in the carrying amount of goodwill for various contract drilling segments and other operating segments | ||||||||||||||||
| Beginning Balance | $ 472,326,000 | $ 501,258,000 | $ 82,262,000 | $ 111,194,000 | $ 57,445,000 | $ 50,149,000 | $ 18,983,000 | $ 32,113,000 | $ 34,766,000 | $ 390,064,000 | $ 390,064,000 | $ 334,992,000 | $ 334,992,000 | $ 334,992,000 | $ 55,072,000 | $ 55,072,000 |
| Acquisitions and purchase price adjustment | 51,318,000 | 15,828,000 | 15,828,000 | 35,490,000 | 35,490,000 | |||||||||||
| Disposals and Impairments | (9,631,000) | (29,314,000) | (9,631,000) | (29,314,000) | (7,296,000) | (18,983,000) | (9,631,000) | (3,035,000) | ||||||||
| Cumulative Translation Adjustment | (1,049,000) | 382,000 | (1,049,000) | 382,000 | (1,049,000) | 382,000 | ||||||||||
| Ending Balance | 512,964,000 | 472,326,000 | 87,410,000 | 82,262,000 | 50,149,000 | 50,149,000 | 37,261,000 | 32,113,000 | 425,554,000 | 390,064,000 | 334,992,000 | 334,992,000 | 334,992,000 | 90,562,000 | 55,072,000 | |
| Discontinued Operation, additional disclosures | ||||||||||||||||
| Goodwill for the consolidated company, expected to be deductible for tax purposes | $ 76,700,000 | |||||||||||||||