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

Annual report pursuant to Section 13 and 15(d)

Cover
- Document And Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- NATURE OF OPERATIONS AND ACCOUNTING POLICIES (Policies)
Notes Tables
Notes Details

SHARE-BASED COMPENSATION Narrative (Details)

v3.8.0.1

SHARE-BASED COMPENSATION Narrative (Details) - USD ($)	12 Months Ended
SHARE-BASED COMPENSATION Narrative (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation	$ 4,600,000	$ 4,600,000	$ 3,700,000
Unrecognized compensation costs	$ 2,800,000
Unrecognized compensation cost period for recognition (in years)	1 year 8 months 12 days
Granted (in shares)	0
Aggregate intrinsic value of exercised stock options		$ 0
Aggregate intrinsic value of all vested/exercisable stock options outstanding	$ 200,000
Era Group Inc. 2012 Incentive Plan \| Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares authorized				4,000,000
Shares remaining available for grant	2,525,563	2,747,662
Era Group Inc. 2013 Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares authorized				300,000
Shares remaining available for grant	336,763	461,811
Percentage of stock price employees can purchase				85.00%
Offering period				6 months
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized		400,000
Expiration period				10 years
Number of shares issued under ESPP	125,102
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	297,256	342,913	193,668
Granted (in dollars per share)	$ 11.44	$ 10.56	$ 20.82
Fair value of closing price on grant date	$ 5,500,000	$ 3,200,000	$ 1,900,000

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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