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Goodwill (Tables) | 12 Months Ended
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Dec. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of changes in carrying amount of goodwill | The changes in the carrying amount of goodwill are as follows (in thousands):
| Well Intervention
Balance at December 31, 2018 | $ | — |
Additions (1) | 6,855 |
Other adjustments (2) | 302 |
Balance at December 31, 2019 | $ | 7,157 |
(1) | Relates to goodwill arising from the STL acquisition in May 2019 (Note 1).
(2) Relates to foreign currency adjustments.

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13854-109267 + Details
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