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Goodwill and Other Intangibles (Tables) | 12 Months Ended
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Dec. 31, 2019
Goodwill and Other Intangibles |
Schedule of contract intangible assets | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year ended December 31, 2019 | ​ | Year ended December 31, 2018 |
​ | ​ | Gross | ​ | ​ | ​ | ​ | Net | ​ | Gross | ​ | ​ | ​ | ​ | Net |
​ | ​ | carrying | ​ | Accumulated | ​ | carrying | ​ | carrying | ​ | Accumulated | ​ | carrying |
​ |  | amount | ​ | amortization | ​ | amount |  | amount |  | amortization |  | amount |
Drilling contract intangible assets | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Balance, beginning of period |  | $ | 907 | ​ | $ | (112) | ​ | $ | 795 | ​ | $ | — | ​ | $ | — |  | $ | — | ​
Acquisition | ​ | ​ | — | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 907 | ​ | ​ | — | ​ | ​ | 907 | ​
Amortization | ​ | ​ | — | ​ | ​ | (187) | ​ | ​ | (187) | ​ | ​ | — | ​ | ​ | (112) | ​ | ​ | (112) | ​
Balance, end of period |  | $ | 907 | ​ | $ | (299) | ​ | $ | 608 | ​ | $ | 907 | ​ | $ | (112) |  | $ | 795 | ​
Schedule of future amortization of contract intangible revenues | ​
​ | ​ | ​ | ​
​ |  | Total
Years ending December 31, | ​ | ​ | ​
2020 |  | $ | 190
2021 | ​ | ​ | 190
2022 | ​ | ​ | 171
2023 | ​ | ​ | 52
2024 | ​ | ​ | 5
Total carrying amount of contract intangible assets | ​ | $ | 608

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- Definition Tabular disclosure of the characteristics, including initial carrying value, residual amount, weighted average useful life, of finite-lived intangible assets acquired during the period by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by nature or by their use in the operations of the company. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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