Quarterly report pursuant to Section 13 or 15(d)

GUARANTORS OF SECURITIES (Condensed Income Statement) (Details)

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GUARANTORS OF SECURITIES (Condensed Income Statement) (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Condensed Income Statements, Captions [Line Items]    
Revenues $ 57,322 $ 54,527
Costs and expenses:    
Operating 37,660 37,757
Administrative and general 12,071 10,381
Depreciation 10,354 11,554
Total costs and expenses 60,085 59,692
Gains on asset dispositions, net 4,414 109
Operating income (loss) 1,651 (5,056)
Other income (expense):    
Interest income 146 250
Interest expense (4,576) (3,589)
Foreign currency gains, net 74 28
Gain on debt extinguishment 175 0
Other, net (8) 12
Total other income (expense) (4,189) (3,299)
Loss before income taxes and equity earnings (2,538) (8,355)
Income tax expense (benefit) (738) (2,103)
Loss before equity earnings (1,800) (6,252)
Equity earnings, net of tax 443 465
Equity in earnings (losses) of subsidiaries 0 0
Net income (loss) (1,357) (5,787)
Net loss (income) attributable to non-controlling interest in subsidiary 163 167
Net income (loss) attributable to Era Group Inc. (1,194) (5,620)
Reportable Legal Entities | Parent    
Condensed Income Statements, Captions [Line Items]    
Revenues 0 0
Costs and expenses:    
Operating 0 0
Administrative and general 4,313 1,865
Depreciation 0 0
Total costs and expenses 4,313 1,865
Gains on asset dispositions, net 0 0
Operating income (loss) (4,313) (1,865)
Other income (expense):    
Interest income 4 21
Interest expense (4,303) (3,241)
Foreign currency gains, net 55 25
Gain on debt extinguishment 0 0
Other, net 0 0
Total other income (expense) (4,244) (3,195)
Loss before income taxes and equity earnings (8,557) (5,060)
Income tax expense (benefit) (1,536) (1,876)
Loss before equity earnings (7,021) (3,184)
Equity earnings, net of tax 0 0
Equity in earnings (losses) of subsidiaries 5,827 (2,436)
Net income (loss) (1,194) (5,620)
Net loss (income) attributable to non-controlling interest in subsidiary 0 0
Net income (loss) attributable to Era Group Inc. (1,194) (5,620)
Reportable Legal Entities | Guarantors    
Condensed Income Statements, Captions [Line Items]    
Revenues 49,832 48,033
Costs and expenses:    
Operating 29,770 29,113
Administrative and general 6,373 7,038
Depreciation 10,094 11,320
Total costs and expenses 46,237 47,471
Gains on asset dispositions, net 4,414 109
Operating income (loss) 8,009 671
Other income (expense):    
Interest income 96 111
Interest expense (182) (298)
Foreign currency gains, net 30 8
Gain on debt extinguishment 0 0
Other, net 0 0
Total other income (expense) (56) (179)
Loss before income taxes and equity earnings 7,953 492
Income tax expense (benefit) 798 (16)
Loss before equity earnings 7,155 508
Equity earnings, net of tax 443 465
Equity in earnings (losses) of subsidiaries 0 0
Net income (loss) 7,598 973
Net loss (income) attributable to non-controlling interest in subsidiary 0 0
Net income (loss) attributable to Era Group Inc. 7,598 973
Reportable Legal Entities | Non-guarantors    
Condensed Income Statements, Captions [Line Items]    
Revenues 14,467 15,400
Costs and expenses:    
Operating 14,867 17,550
Administrative and general 1,385 1,478
Depreciation 260 234
Total costs and expenses 16,512 19,262
Gains on asset dispositions, net 0 0
Operating income (loss) (2,045) (3,862)
Other income (expense):    
Interest income 46 118
Interest expense (91) (50)
Foreign currency gains, net (11) (5)
Gain on debt extinguishment 175 0
Other, net (8) 12
Total other income (expense) 111 75
Loss before income taxes and equity earnings (1,934) (3,787)
Income tax expense (benefit) 0 (211)
Loss before equity earnings (1,934) (3,576)
Equity earnings, net of tax 0 0
Equity in earnings (losses) of subsidiaries 0 0
Net income (loss) (1,934) (3,576)
Net loss (income) attributable to non-controlling interest in subsidiary 163 167
Net income (loss) attributable to Era Group Inc. (1,771) (3,409)
Eliminations    
Condensed Income Statements, Captions [Line Items]    
Revenues (6,977) (8,906)
Costs and expenses:    
Operating (6,977) (8,906)
Administrative and general 0 0
Depreciation 0 0
Total costs and expenses (6,977) (8,906)
Gains on asset dispositions, net 0 0
Operating income (loss) 0 0
Other income (expense):    
Interest income 0 0
Interest expense 0 0
Foreign currency gains, net 0 0
Gain on debt extinguishment 0 0
Other, net 0 0
Total other income (expense) 0 0
Loss before income taxes and equity earnings 0 0
Income tax expense (benefit) 0 0
Loss before equity earnings 0 0
Equity earnings, net of tax 0 0
Equity in earnings (losses) of subsidiaries (5,827) 2,436
Net income (loss) (5,827) 2,436
Net loss (income) attributable to non-controlling interest in subsidiary 0 0
Net income (loss) attributable to Era Group Inc. $ (5,827) $ 2,436