Bristow Group Inc. Transition report pursuant to Rule 13a-10 or 15d-10

BUSINESS COMBINATIONS - Narrative (Details)

v3.22.4

BUSINESS COMBINATIONS - Narrative (Details) $ in Thousands			9 Months Ended	12 Months Ended
BUSINESS COMBINATIONS - Narrative (Details) $ in Thousands	Aug. 02, 2022 USD ($) customerContract	Jun. 11, 2020 USD ($) aircraft	Dec. 31, 2022 USD ($)	Mar. 31, 2022 USD ($)	Mar. 31, 2021 USD ($)
Business Acquisition [Line Items]
Number of directors \| aircraft		8
Number of directors designated by Bristow \| aircraft		6
Acquired aircraft, aggregate fair value		$ 179,900
Gain on bargain purchase			$ 0	$ 0	$ 81,093
British International Helicopter Services Limited
Business Acquisition [Line Items]
Consideration transferred	$ 12,700
Intangible assets, net	$ 7,037
Number of customer contracts acquired \| customerContract	2
Era
Business Acquisition [Line Items]
Consideration transferred		108,735
Gain on bargain purchase		$ 81,100
Former Bristow stockholders \| Combined Company Common Stock
Business Acquisition [Line Items]
Ownership percentage		77.00%
Era Common Stockholders \| Combined Company Common Stock
Business Acquisition [Line Items]
Ownership percentage		23.00%

- 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_BusinessAcquisitionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

In a business combination in which the amount of net identifiable assets acquired and liabilities assumed exceeds the aggregate consideration transferred or to be transferred (as defined), this element represents the amount of gain recognized by the entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=126966197&loc=d3e6571-128477

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (f)(1)
-URI https://asc.fasb.org/extlink&oid=126975305&loc=d3e6927-128479

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 25
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=6911189&loc=d3e6387-128476

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 25
-Paragraph 4
-URI https://asc.fasb.org/extlink&oid=6911189&loc=d3e6396-128476

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 5
-URI https://asc.fasb.org/extlink&oid=126966197&loc=d3e6527-128477

Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 25
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=6911189&loc=d3e6393-128476

+ Details

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

- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 8
-URI https://asc.fasb.org/extlink&oid=126966197&loc=d3e6613-128477

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126975305&loc=d3e6927-128479

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 30
-Paragraph 7
-URI https://asc.fasb.org/extlink&oid=126966197&loc=d3e6578-128477

+ Details

Name:	us-gaap_BusinessCombinationConsiderationTransferred1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=128092470&loc=d3e4845-128472

+ Details

Name:	us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

+ Details

Name:	us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Aircraft

+ References

No definition available.

+ Details

Name:	vtol_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAircraft
Namespace Prefix:	vtol_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Number Of Board Directors Designated By Bristow

+ References

No definition available.

+ Details

Name:	vtol_NumberOfBoardDirectorsDesignatedByBristow
Namespace Prefix:	vtol_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number Of Customer Contracts Acquired

+ References

No definition available.

+ Details

Name:	vtol_NumberOfCustomerContractsAcquired
Namespace Prefix:	vtol_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number Of Directors On Board

+ References

No definition available.

+ Details

Name:	vtol_NumberOfDirectorsOnBoard
Namespace Prefix:	vtol_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_BusinessAcquisitionAxis=vtol_BritishInternationalHelicopterServicesLimitedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=vtol_EraGroupInc.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=vtol_FormerBristowStockholdersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=vtol_CombinedCompanyCommonStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=vtol_EraCommonStockholdersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: