Annual report pursuant to Section 13 and 15(d)

GUARANTORS OF SECURITIES Supplemental Condensed Consolidating Statements of Comprehensive Income (Details)

v3.8.0.1
GUARANTORS OF SECURITIES Supplemental Condensed Consolidating Statements of Comprehensive Income (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Condensed Statement of Income Captions [Line Items]                      
Net income (loss) $ 61,459 $ (81,215) $ (3,072) $ (5,787) $ (5,648) $ (802) $ (4,510) $ (3,950) $ (28,615) $ (14,910) $ 7,899
Other comprehensive loss:                      
Foreign currency translation adjustments                 18 0 (4)
Income tax benefit                 0 0 1
Total other comprehensive loss                 18 0 (3)
Comprehensive income (loss)                 (28,597) (14,910) 7,896
Comprehensive loss attributable to non-controlling interest in subsidiary                 454 6,932 806
Comprehensive income (loss) attributable to Era Group Inc.                 (28,143) (7,978) 8,702
Eliminations                      
Condensed Statement of Income Captions [Line Items]                      
Net income (loss)                 13,481 (2,495) (9,155)
Other comprehensive loss:                      
Foreign currency translation adjustments                 0 0 0
Income tax benefit                 0 0 0
Total other comprehensive loss                 0 0 0
Comprehensive income (loss)                 13,481 (2,495) (9,155)
Comprehensive loss attributable to non-controlling interest in subsidiary                 0 0 0
Comprehensive income (loss) attributable to Era Group Inc.                 13,481 (2,495) (9,155)
Parent                      
Condensed Statement of Income Captions [Line Items]                      
Net income (loss)                 (28,161) (7,978) 8,705
Other comprehensive loss:                      
Foreign currency translation adjustments                 0 0 0
Income tax benefit                 0 0 0
Total other comprehensive loss                 0 0 0
Comprehensive income (loss)                 (28,161) (7,978) 8,705
Comprehensive loss attributable to non-controlling interest in subsidiary                 0 0 0
Comprehensive income (loss) attributable to Era Group Inc.                 (28,161) (7,978) 8,705
Guarantors                      
Condensed Statement of Income Captions [Line Items]                      
Net income (loss)                 (3,041) 11,292 18,863
Other comprehensive loss:                      
Foreign currency translation adjustments                 18 0  
Income tax benefit                 0 0  
Total other comprehensive loss                 18 0 (3)
Comprehensive income (loss)                 (3,023) 11,292 18,860
Comprehensive loss attributable to non-controlling interest in subsidiary                 0 6,349 376
Comprehensive income (loss) attributable to Era Group Inc.                 (3,023) 17,641 19,236
Non-guarantors                      
Condensed Statement of Income Captions [Line Items]                      
Net income (loss)                 (10,894) (15,729) (10,514)
Other comprehensive loss:                      
Foreign currency translation adjustments                 0 0 0
Income tax benefit                 0 0 0
Total other comprehensive loss                 0 0 0
Comprehensive income (loss)                 (10,894) (15,729) (10,514)
Comprehensive loss attributable to non-controlling interest in subsidiary                 454 583 430
Comprehensive income (loss) attributable to Era Group Inc.                 $ (10,440) $ (15,146) $ (10,084)