Bristow Group Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Cover
- Cover Page
Financial Statements
Notes to Financial Statements
Accounting Policies
- BASIS OF PRESENTATION, CONSOLIDATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)
Notes Tables
Notes Details

BUSINESS COMBINATIONS - Narrative (Details)

v3.21.1

BUSINESS COMBINATIONS - Narrative (Details) $ / shares in Units, $ in Thousands		3 Months Ended	5 Months Ended	7 Months Ended	12 Months Ended
	Jun. 11, 2020 USD ($) director $ / shares	Sep. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Oct. 31, 2019 USD ($)	Mar. 31, 2021 USD ($)	Mar. 31, 2019 USD ($)	Jan. 24, 2020 $ / shares
Business Acquisition [Line Items]
Number of directors \| director	8
Number of directors designated by Bristow \| director	6
Acquired aircraft, aggregate fair value	$ 179,900
Gain on bargain purchase		$ 5,700	$ 0	$ 0	$ 81,093	$ 0
Era
Business Acquisition [Line Items]
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%
Era
Business Acquisition [Line Items]
Price per share (in USD per share) \| $ / shares	$ 5.16						$ 8.59

- 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 http://asc.fasb.org/extlink&oid=116859721&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 http://asc.fasb.org/extlink&oid=120321790&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 http://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 http://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 http://asc.fasb.org/extlink&oid=116859721&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 http://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

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:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockPricePerShare
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
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 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_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:

- Details

Name:	dei_LegalEntityAxis=vtol_EraGroupInc.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: