STOCKHOLDERS' EQUITY - Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2025	Sep. 30, 2024
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 983,988	$ 931,303	$ 891,272	$ 848,669	$ 820,210	$ 823,179	$ 891,272	$ 823,179
Total other comprehensive income (loss), net of tax	(4,531)	22,208	11,593	17,739	(873)	(12,105)	29,270	4,761
Foreign exchange rate impact	(5,785)			19,201			32,390	9,818
Ending balance	1,036,149	983,988	931,303	898,760	848,669	820,210	1,036,149	898,760
Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(11,728)	(37,456)	(49,903)				(49,903)
Other comprehensive income (loss)	(4,951)	22,972	11,119
Reclassified from accumulated other comprehensive loss	0	0	0
Income tax expense	0	0	0
Total other comprehensive income (loss), net of tax	(4,951)	22,972	11,119
Foreign exchange rate impact	(834)	2,756	1,328
Ending balance	(17,513)	(11,728)	(37,456)				(17,513)
Pension Liability Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(47,442)	(44,691)	(43,367)				(43,367)
Other comprehensive income (loss)	0	0	0
Reclassified from accumulated other comprehensive loss	6	5	4
Income tax expense	0	0	0
Total other comprehensive income (loss), net of tax	6	5	4
Foreign exchange rate impact	834	(2,756)	(1,328)
Ending balance	(46,602)	(47,442)	(44,691)				(46,602)
Unrealized gain (loss) on cash flow hedges
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(698)	71	(399)				(399)
Other comprehensive income (loss)	71	(1,524)	611
Reclassified from accumulated other comprehensive loss	516	444	(93)
Income tax expense	(173)	311	(48)
Total other comprehensive income (loss), net of tax	414	(769)	470
Foreign exchange rate impact	0	0	0
Ending balance	(284)	(698)	71				(284)
Total
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(59,868)	(82,076)	(93,669)	(67,621)	(66,748)	(54,643)	(93,669)	(54,643)
Other comprehensive income (loss)	(4,880)	21,448	11,730
Reclassified from accumulated other comprehensive loss	522	449	(89)
Income tax expense	(173)	311	(48)
Total other comprehensive income (loss), net of tax	(4,531)	22,208	11,593	17,739	(873)	(12,105)
Foreign exchange rate impact	0	0	0
Ending balance	$ (64,399)	$ (59,868)	$ (82,076)	$ (49,882)	$ (67,621)	$ (66,748)	$ (64,399)	$ (49,882)

Bristow Group Inc. 10-Q