XML 92 R83.htm IDEA: XBRL DOCUMENT v3.19.1

Business Segments (Revenue by Product Lines) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Revenue from External Customer [Line Items]
Revenues	$ 272,948	$ 267,037	$ 274,003	$ 250,231	$ 247,700	$ 198,709	$ 201,115	$ 171,096	$ 1,064,219	$ 818,620	$ 587,635
Percentage of net sales									100.00%	100.00%	100.00%
Sales
Revenue from External Customer [Line Items]
Revenues									$ 1,064,219	$ 818,620	$ 587,635
Percentage of net sales									100.00%	100.00%	100.00%
Operating Segments | Sales | Drilling Technologies
Revenue from External Customer [Line Items]
Revenues									$ 178,260	$ 168,816	$ 135,051
Percentage of net sales									16.60%	20.60%	23.30%
Operating Segments | Sales | Downhole Technologies
Revenue from External Customer [Line Items]
Revenues									$ 104,974	$ 76,010	$ 59,545
Percentage of net sales									9.90%	9.30%	10.10%
Operating Segments | Sales | Subsea Technologies
Revenue from External Customer [Line Items]
Revenues									$ 50,785	$ 65,697	$ 88,414
Percentage of net sales									4.80%	8.00%	15.00%
Operating Segments | Sales | Stimulation and Intervention
Revenue from External Customer [Line Items]
Revenues									$ 228,721	$ 148,666	$ 72,241
Percentage of net sales									21.50%	18.20%	12.30%
Operating Segments | Sales | Coiled Tubing
Revenue from External Customer [Line Items]
Revenues									$ 144,386	$ 35,516	$ 0
Percentage of net sales									13.60%	4.30%	0.00%
Operating Segments | Sales | Production Equipment
Revenue from External Customer [Line Items]
Revenues									$ 141,169	$ 124,323	$ 77,166
Percentage of net sales									13.30%	15.20%	13.10%
Operating Segments | Sales | Valve Solutions
Revenue from External Customer [Line Items]
Revenues									$ 220,238	$ 202,964	$ 156,588
Percentage of net sales									20.70%	24.80%	26.60%
Eliminations
Revenue from External Customer [Line Items]
Revenues									$ (4,314)	$ (3,372)	$ (1,370)
Eliminations | Sales
Revenue from External Customer [Line Items]
Revenues									$ (4,314)	$ (3,372)	$ (1,370)
Percentage of net sales									(0.40%)	(0.40%)	(0.40%)

X

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13531-108611

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13537-108611

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

+ Details

Name:	us-gaap_ConcentrationRiskPercentage1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
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_EntityWideInformationRevenueFromExternalCustomerLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130543-203045

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130539-203045

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045

+ Details

Name:	us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Details

Name:	us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesMember
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:	srt_ProductOrServiceAxis=fet_DrillingTechnologiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=fet_DownholeTechnologiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=fet_SubseaTechnologiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=fet_StimulationandInterventionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=fet_CoiledTubingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=fet_ProductionEquipmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=fet_ValveSolutionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ConsolidationItemsAxis=us-gaap_IntersegmentEliminationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: