Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- 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

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Namespace Prefix:	us-gaap_
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Period Type:	duration

- Definition

Debt Covenant, Adjusted EBITDA TO Fixed Charges Ratio

+ References

No definition available.

+ Details

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Namespace Prefix:	wft_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

LIBOR Rate Floor

+ References

No definition available.

+ Details

Name:	wft_LIBORRateFloor
Namespace Prefix:	wft_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Details

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Namespace Prefix:
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- Details

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- Details

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- Details

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Namespace Prefix:
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- Details

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Namespace Prefix:
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- Details

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- Details

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Short-term Borrowings and Other Debt Obligations Exit Credit Agreement (Details) - ABL Credit Agreement [Member] - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 12, 2019
Short-term Debt [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		$ 450,000,000
Long-term Line of Credit	$ 0
LIBOR Rate Floor	0.00%
Letter Of Credit Fee Percentage	0.125%
Debt Covenant, Adjusted EBITDA TO Fixed Charges Ratio	100.00%
Minimum
Short-term Debt [Line Items]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.375%
Maximum
Short-term Debt [Line Items]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.50%
Revolving Loans [Member] \| Minimum \| LIBOR
Short-term Debt [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.75%
Letter Of Credit Fee Percentage	1.75%
Revolving Loans [Member] \| Minimum \| Base Rate
Short-term Debt [Line Items]
Debt Instrument, Basis Spread on Variable Rate	0.75%
Revolving Loans [Member] \| Maximum \| LIBOR
Short-term Debt [Line Items]
Debt Instrument, Basis Spread on Variable Rate	2.25%
Letter Of Credit Fee Percentage	2.25%
Revolving Loans [Member] \| Maximum \| Base Rate
Short-term Debt [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.25%
FILO Loans [Member]
Short-term Debt [Line Items]
Letter Of Credit Fee Percentage	3.50%
FILO Loans [Member] \| LIBOR
Short-term Debt [Line Items]
Debt Instrument, Basis Spread on Variable Rate	3.50%
FILO Loans [Member] \| Base Rate
Short-term Debt [Line Items]
Debt Instrument, Basis Spread on Variable Rate	2.50%