XML 50 R35.htm IDEA: XBRL DOCUMENT
v3.20.4

Business Combinations And Goodwill (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
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 |
Other adjustments (2) | (468) |
Impairment loss (3) | (6,689) |
Balance at December 31, 2020 | $ | — |
(1)Relates to goodwill arising from the acquisition of a controlling interest in STL in May 2019. (2)Relates to foreign currency adjustments. (3)Relates to the impairment of the entire STL goodwill balance in March 2020.

X
- References No definition available. + Details
Name: | us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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=121556970&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=121556970&loc=d3e13854-109267 + Details
Name: | us-gaap_ScheduleOfGoodwillTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration