XML 52 R36.htm IDEA: XBRL DOCUMENT
v3.21.1

Impairments of Long-Lived Assets - Schedule of Impairment of Long-Lived Assets (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Impaired Long-Lived Assets Held and Used [Line Items] |  |
Asset impairment charges | $ 0 | $ 17,320
Impairments of operating lease assets | 0 | 9,483
Property and equipment |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |
Asset impairment charges |  | 12,062
Intangible assets |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |
Asset impairment charges |  | 5,258
Operating lease right of use assets |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |
Asset impairment charges |  | 9,483
Operating Segments |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |
Asset impairment charges |  | 26,803
Drilling & Downhole | Operating Segments |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |
Asset impairment charges |  | 7,763
Drilling & Downhole | Operating Segments | Property and equipment |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |
Asset impairment charges |  | 1,076
Drilling & Downhole | Operating Segments | Intangible assets |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |
Asset impairment charges |  | 5,258
Drilling & Downhole | Operating Segments | Operating lease right of use assets |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |
Asset impairment charges |  | 1,429
Completions | Operating Segments |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |
Asset impairment charges |  | 15,747
Completions | Operating Segments | Property and equipment |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |
Asset impairment charges |  | 9,608
Completions | Operating Segments | Intangible assets |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |
Asset impairment charges |  | 0
Completions | Operating Segments | Operating lease right of use assets |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |
Asset impairment charges |  | 6,139
Production | Operating Segments |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |
Asset impairment charges |  | 3,293
Production | Operating Segments | Property and equipment |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |
Asset impairment charges |  | 1,378
Production | Operating Segments | Intangible assets |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |
Asset impairment charges |  | 0
Production | Operating Segments | Operating lease right of use assets |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |
Asset impairment charges |  | 1,915
Cost of Sales |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |
Impairments of operating lease assets | 8,600 | 8,600
Selling, General and Administrative Expenses |  |
Impaired Long-Lived Assets Held and Used [Line Items] |  |
Impairments of operating lease assets | $ 900 | $ 900

X
- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2420-110228 + Details
Name: | us-gaap_AssetImpairmentCharges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ImpairedLongLivedAssetsHeldAndUsedLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of loss from impairment of right-of-use asset from operating lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 25 -Paragraph 6 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121593497&loc=SL77918431-209957 + Details
Name: | us-gaap_OperatingLeaseImpairmentLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_PropertyPlantAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_FiniteLivedIntangibleAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=fet_OperatingLeaseRightOfUseAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=fet_DrillingAndDownholeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=fet_CompletionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=fet_ProductionAndInfrastructureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_CostOfSalesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_SellingGeneralAndAdministrativeExpensesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |