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Summary of Significant Accounting Policies - Goodwill (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Change in the carrying amount of goodwill for various contract drilling segments and other operating segments |  |  |
Goodwill - Beginning Balance | $ 166,659,000 | $ 173,928,000 |
Acquisitions and purchase price adjustment |  | 86,502,000 |
Disposals and Impairments |  | (92,112,000) |
Cumulative Translation Adjustment | 258,000 | (1,659,000) |
Goodwill - Ending Balance | $ 166,917,000 | 166,659,000 | $ 173,928,000
Goodwill |  |  |
Long-term growth rate used to calculate terminal values for each reporting unit (as a percent) | 3.00% |  |
Goodwill impairments | $ 0 |  | 356,605,000
Discontinued Operation, additional disclosures |  |  |
Goodwill for the consolidated company, expected to be deductible for tax purposes | 11,200,000 |  |
Drilling and Rig Services |  |  |
Change in the carrying amount of goodwill for various contract drilling segments and other operating segments |  |  |
Goodwill - Beginning Balance | 166,659,000 | 81,816,000 |
Acquisitions and purchase price adjustment |  | 86,502,000 |
Cumulative Translation Adjustment |  | (1,659,000) |
Goodwill - Ending Balance |  | 166,659,000 | 81,816,000
United States |  |  |
Change in the carrying amount of goodwill for various contract drilling segments and other operating segments |  |  |
Goodwill - Beginning Balance | 50,149,000 | 50,149,000 |
Goodwill - Ending Balance | 50,149,000 | 50,149,000 | 50,149,000
International |  |  |
Change in the carrying amount of goodwill for various contract drilling segments and other operating segments |  |  |
Goodwill - Beginning Balance | 75,634,000 |  |
Acquisitions and purchase price adjustment |  | 75,634,000 |
Goodwill - Ending Balance | 75,634,000 | 75,634,000 |
Rig Services |  |  |
Change in the carrying amount of goodwill for various contract drilling segments and other operating segments |  |  |
Goodwill - Beginning Balance | 40,876,000 | 31,667,000 |
Acquisitions and purchase price adjustment |  | 10,868,000 |
Cumulative Translation Adjustment | 258,000 | (1,659,000) |
Goodwill - Ending Balance | $ 41,134,000 | 40,876,000 | 31,667,000
Goodwill |  |  |
Goodwill impairments |  |  | 21,600,000
Completion and Production Services |  |  |
Change in the carrying amount of goodwill for various contract drilling segments and other operating segments |  |  |
Goodwill - Beginning Balance |  | 92,112,000 |
Disposals and Impairments |  | (92,112,000) |
Goodwill - Ending Balance |  |  | 92,112,000
Production Services |  |  |
Change in the carrying amount of goodwill for various contract drilling segments and other operating segments |  |  |
Goodwill - Beginning Balance |  | 92,112,000 |
Disposals and Impairments |  | $ (92,112,000) |
Goodwill - Ending Balance |  |  | $ 92,112,000

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- Definition The aggregate amount of goodwill acquired in the period and allocated to the reportable segment. The value also includes purchase accounting adjustments needed to revise the carrying amount of goodwill to fair value. + References No definition available. + Details
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