Annual report pursuant to Section 13 and 15(d)

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

v3.10.0.1
GUARANTORS OF SECURITIES Supplemental Condensed Consolidating Statements of Comprehensive Income (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Condensed Statement of Income Captions [Line Items]                      
Net income (loss) $ (5,948) $ 31,279 $ (10,516) $ (1,357) $ 61,459 $ (81,215) $ (3,072) $ (5,787) $ 13,458 $ (28,615) $ (14,910)
Other comprehensive income (loss):                      
Foreign currency translation adjustments                 0 18 0
Income tax benefit                 0 0 0
Total other comprehensive income (loss)                 0 18 0
Comprehensive income (loss)                 13,458 (28,597) (14,910)
Comprehensive loss attributable to non-controlling interest in subsidiary                 464 454 6,932
Comprehensive income (loss) attributable to Era Group Inc.                 13,922 (28,143) (7,978)
Eliminations                      
Condensed Statement of Income Captions [Line Items]                      
Net income (loss)                 (11,568) 13,481 (2,495)
Other comprehensive income (loss):                      
Foreign currency translation adjustments                 0 0 0
Income tax benefit                 0 0 0
Total other comprehensive income (loss)                 0 0 0
Comprehensive income (loss)                 (11,568) 13,481 (2,495)
Comprehensive loss attributable to non-controlling interest in subsidiary                 0 0 0
Comprehensive income (loss) attributable to Era Group Inc.                 (11,568) 13,481 (2,495)
Parent | Reportable Legal Entities                      
Condensed Statement of Income Captions [Line Items]                      
Net income (loss)                 13,890 (28,161) (7,978)
Other comprehensive income (loss):                      
Foreign currency translation adjustments                 0 0 0
Income tax benefit                 0 0 0
Total other comprehensive income (loss)                 0 0 0
Comprehensive income (loss)                 13,890 (28,161) (7,978)
Comprehensive loss attributable to non-controlling interest in subsidiary                 0 0 0
Comprehensive income (loss) attributable to Era Group Inc.                 13,890 (28,161) (7,978)
Guarantors | Reportable Legal Entities                      
Condensed Statement of Income Captions [Line Items]                      
Net income (loss)                 19,450 (3,041) 11,292
Other comprehensive income (loss):                      
Foreign currency translation adjustments                 0 18  
Income tax benefit                 0 0  
Total other comprehensive income (loss)                 0 18 0
Comprehensive income (loss)                 19,450 (3,023) 11,292
Comprehensive loss attributable to non-controlling interest in subsidiary                 0 0 6,349
Comprehensive income (loss) attributable to Era Group Inc.                 19,450 (3,023) 17,641
Non-guarantors | Reportable Legal Entities                      
Condensed Statement of Income Captions [Line Items]                      
Net income (loss)                 (8,314) (10,894) (15,729)
Other comprehensive income (loss):                      
Foreign currency translation adjustments                 0 0 0
Income tax benefit                 0 0 0
Total other comprehensive income (loss)                 0 0 0
Comprehensive income (loss)                 (8,314) (10,894) (15,729)
Comprehensive loss attributable to non-controlling interest in subsidiary                 464 454 583
Comprehensive income (loss) attributable to Era Group Inc.                 $ (7,850) $ (10,440) $ (15,146)