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

SEGMENT INFORMATION, MAJOR CUSTOMERS AND GEOGRAPHICAL DATA Schedule of Revenue from External Customers and Long-Lived Assets (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 60,377	$ 58,909	$ 55,480	$ 51,293	$ 52,016	$ 54,610	$ 57,728	$ 57,322	$ 226,059	$ 221,676	$ 231,321
Net property and equipment	556,899				599,194				556,899	599,194
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									149,514	157,267	152,187
Net property and equipment	433,096				472,838				433,096	472,838
Latin America and the Caribbean
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									68,802	58,037	68,936
Net property and equipment	96,225				105,519				96,225	105,519
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									384	608	5,029
Net property and equipment	6,363				8,049				6,363	8,049
Asia
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues									7,359	5,764	$ 5,169
Net property and equipment	$ 21,215				$ 12,788				$ 21,215	$ 12,788