Quarterly report pursuant to Section 13 or 15(d)

GUARANTORS OF SECURITIES (Condensed Statement of Comprehensive Income) (Details)

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GUARANTORS OF SECURITIES (Condensed Statement of Comprehensive Income) (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Condensed Statement of Income Captions [Line Items]        
Net income (loss) $ (802) $ 653 $ (9,262) $ 11,519
Other comprehensive income (loss):        
Foreign currency translation adjustments 0 136 0 (4)
Income tax benefit 0 0 0 1
Total other comprehensive income (loss) 0 136 0 (3)
Comprehensive income (loss) (802) 789 (9,262) 11,516
Comprehensive income (loss) attributable to non-controlling interest in subsidiary 242 208 6,822 633
Comprehensive income (loss) attributable to Era Group Inc. (560) 997 (2,440) 12,149
Parent        
Condensed Statement of Income Captions [Line Items]        
Net income (loss) (560) 861 (2,440) 12,152
Other comprehensive income (loss):        
Foreign currency translation adjustments 0 0 0 0
Income tax benefit 0 0 0 0
Total other comprehensive income (loss) 0 0 0 0
Comprehensive income (loss) (560) 861 (2,440) 12,152
Comprehensive income (loss) attributable to non-controlling interest in subsidiary 0 0 0 0
Comprehensive income (loss) attributable to Era Group Inc. (560) 861 (2,440) 12,152
Guarantors        
Condensed Statement of Income Captions [Line Items]        
Net income (loss) 7,431 2,951 14,848 13,970
Other comprehensive income (loss):        
Foreign currency translation adjustments 0 (1) 0 (4)
Income tax benefit 0 0 0 1
Total other comprehensive income (loss) 0 (1) 0 (3)
Comprehensive income (loss) 7,431 2,950 14,848 13,967
Comprehensive income (loss) attributable to non-controlling interest in subsidiary 0 49 6,349 376
Comprehensive income (loss) attributable to Era Group Inc. 7,431 2,999 21,197 14,343
Non-guarantors        
Condensed Statement of Income Captions [Line Items]        
Net income (loss) (4,570) (309) (12,611) (2,467)
Other comprehensive income (loss):        
Foreign currency translation adjustments 0 137 0 0
Income tax benefit 0 0 0 0
Total other comprehensive income (loss) 0 137 0 0
Comprehensive income (loss) (4,570) (172) (12,611) (2,467)
Comprehensive income (loss) attributable to non-controlling interest in subsidiary 242 159 473 257
Comprehensive income (loss) attributable to Era Group Inc. (4,328) (13) (12,138) (2,210)
Eliminations        
Condensed Statement of Income Captions [Line Items]        
Net income (loss) (3,103) (2,850) (9,059) (12,136)
Other comprehensive income (loss):        
Foreign currency translation adjustments 0 0 0 0
Income tax benefit 0 0 0 0
Total other comprehensive income (loss) 0 0 0 0
Comprehensive income (loss) (3,103) (2,850) (9,059) (12,136)
Comprehensive income (loss) attributable to non-controlling interest in subsidiary 0 0 0 0
Comprehensive income (loss) attributable to Era Group Inc. $ (3,103) $ (2,850) $ (9,059) $ (12,136)