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

FAIR VALUE DISCLOSURES - Narrative (Details)

FAIR VALUE DISCLOSURES - Narrative (Details) $ in Thousands		2 Months Ended	5 Months Ended	7 Months Ended	12 Months Ended
FAIR VALUE DISCLOSURES - Narrative (Details) $ in Thousands	Jun. 11, 2020 shares	Jun. 11, 2020 USD ($)	Mar. 31, 2020 USD ($)	Oct. 31, 2019 USD ($)	Mar. 31, 2022 USD ($) shares	Mar. 31, 2021 USD ($) shares
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Change in fair value of preferred stock derivative liability \| $		$ 15,400	$ 184,140	$ 0	$ 0	$ 15,416
Settlement premium, internal rate of return					17.00%
Multiple of invested capital					2.1
Paid-in-kind dividends, perpetual preferred	10.00%
Make whole redemption percentage	102.00%
Call right, conversion of preferred stock ratio (in shares)	5.17956
Stock repurchased (in shares)					1,480,804	448,252
New Preferred Stock
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Stock repurchased (in shares)	98,784
Common stock
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Stock repurchased (in shares)	142,721
Risk Free Rate
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input	0.0038	0.0038
Price Volatility
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Measurement input	0.85	0.85
Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Settlement premium, internal rate of return					14.00%
Exit term	6 years				3 years
Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Settlement premium, internal rate of return					17.00%
Exit term					5 years