GUARANTORS OF SECURITIES (Condensed Income Statement) (Details) - USD ($) $ in Thousands |
3 Months Ended |
6 Months Ended |
Jun. 30, 2018 |
Jun. 30, 2017 |
Jun. 30, 2018 |
Jun. 30, 2017 |
Condensed Income Statements, Captions [Line Items] |
|
|
|
|
Revenues |
$ 57,728
|
$ 57,878
|
$ 115,050
|
$ 112,405
|
Costs and expenses: |
|
|
|
|
Operating |
40,332
|
41,335
|
77,992
|
79,092
|
Administrative and general |
14,806
|
9,902
|
26,877
|
20,283
|
Depreciation |
10,116
|
11,978
|
20,470
|
23,532
|
Total costs and expenses |
65,254
|
63,215
|
125,339
|
122,907
|
Gains on asset dispositions, net |
(1,997)
|
5,061
|
2,417
|
5,170
|
Operating loss |
(9,523)
|
(276)
|
(7,872)
|
(5,332)
|
Other income (expense): |
|
|
|
|
Interest income |
346
|
185
|
492
|
435
|
Interest expense |
(3,521)
|
(3,934)
|
(8,097)
|
(7,523)
|
Foreign currency losses, net |
(1,075)
|
(136)
|
(1,001)
|
(108)
|
Gain on debt extinguishment |
0
|
0
|
175
|
0
|
Other, net |
14
|
(8)
|
6
|
4
|
Total other income (expense) |
(4,236)
|
(3,893)
|
(8,425)
|
(7,192)
|
Loss before income taxes and equity earnings |
(13,759)
|
(4,169)
|
(16,297)
|
(12,524)
|
Income tax expense (benefit) |
(2,574)
|
(726)
|
(3,312)
|
(2,829)
|
Income (loss) before equity earnings |
(11,185)
|
(3,443)
|
(12,985)
|
(9,695)
|
Equity earnings, net of tax |
669
|
371
|
1,112
|
836
|
Equity in earnings (losses) of subsidiaries |
669
|
0
|
1,112
|
0
|
Net income (loss) |
(10,516)
|
(3,072)
|
(11,873)
|
(8,859)
|
Net loss (income) attributable to non-controlling interest in subsidiary |
137
|
285
|
300
|
452
|
Net income (loss) attributable to Era Group Inc. |
(10,379)
|
(2,787)
|
(11,573)
|
(8,407)
|
Reportable Legal Entities | Parent |
|
|
|
|
Condensed Income Statements, Captions [Line Items] |
|
|
|
|
Revenues |
0
|
0
|
0
|
0
|
Costs and expenses: |
|
|
|
|
Operating |
0
|
0
|
0
|
0
|
Administrative and general |
8,873
|
1,110
|
13,186
|
2,975
|
Depreciation |
0
|
0
|
0
|
0
|
Total costs and expenses |
8,873
|
1,110
|
13,186
|
2,975
|
Gains on asset dispositions, net |
0
|
0
|
0
|
0
|
Operating loss |
(8,873)
|
(1,110)
|
(13,186)
|
(2,975)
|
Other income (expense): |
|
|
|
|
Interest income |
5
|
28
|
9
|
49
|
Interest expense |
(3,292)
|
(3,721)
|
(7,595)
|
(6,962)
|
Foreign currency losses, net |
(111)
|
129
|
(56)
|
154
|
Gain on debt extinguishment |
|
|
0
|
|
Other, net |
0
|
0
|
0
|
0
|
Total other income (expense) |
(3,398)
|
(3,564)
|
(7,642)
|
(6,759)
|
Loss before income taxes and equity earnings |
(12,271)
|
(4,674)
|
(20,828)
|
(9,734)
|
Income tax expense (benefit) |
(1,317)
|
(1,307)
|
(2,853)
|
(3,183)
|
Income (loss) before equity earnings |
(10,954)
|
(3,367)
|
(17,975)
|
(6,551)
|
Equity earnings, net of tax |
|
0
|
|
0
|
Equity in earnings (losses) of subsidiaries |
575
|
580
|
6,402
|
(1,856)
|
Net income (loss) |
(10,379)
|
(2,787)
|
(11,573)
|
(8,407)
|
Net loss (income) attributable to non-controlling interest in subsidiary |
0
|
0
|
0
|
0
|
Net income (loss) attributable to Era Group Inc. |
(10,379)
|
(2,787)
|
(11,573)
|
(8,407)
|
Reportable Legal Entities | Guarantors |
|
|
|
|
Condensed Income Statements, Captions [Line Items] |
|
|
|
|
Revenues |
50,049
|
51,598
|
99,881
|
99,631
|
Costs and expenses: |
|
|
|
|
Operating |
32,659
|
33,178
|
62,429
|
62,291
|
Administrative and general |
4,852
|
7,304
|
11,225
|
14,342
|
Depreciation |
9,873
|
11,727
|
19,967
|
23,047
|
Total costs and expenses |
47,384
|
52,209
|
93,621
|
99,680
|
Gains on asset dispositions, net |
(1,997)
|
5,061
|
2,417
|
5,170
|
Operating loss |
668
|
4,450
|
8,677
|
5,121
|
Other income (expense): |
|
|
|
|
Interest income |
334
|
107
|
430
|
218
|
Interest expense |
(209)
|
(159)
|
(391)
|
(457)
|
Foreign currency losses, net |
(155)
|
160
|
(125)
|
168
|
Gain on debt extinguishment |
|
|
0
|
|
Other, net |
10
|
1
|
10
|
1
|
Total other income (expense) |
(20)
|
109
|
(76)
|
(70)
|
Loss before income taxes and equity earnings |
648
|
4,559
|
8,601
|
5,051
|
Income tax expense (benefit) |
(1,257)
|
10
|
(459)
|
(6)
|
Income (loss) before equity earnings |
1,905
|
4,549
|
9,060
|
5,057
|
Equity earnings, net of tax |
|
371
|
|
836
|
Equity in earnings (losses) of subsidiaries |
669
|
0
|
1,112
|
0
|
Net income (loss) |
2,574
|
4,920
|
10,172
|
5,893
|
Net loss (income) attributable to non-controlling interest in subsidiary |
0
|
0
|
0
|
0
|
Net income (loss) attributable to Era Group Inc. |
2,574
|
4,920
|
10,172
|
5,893
|
Reportable Legal Entities | Non-guarantors |
|
|
|
|
Condensed Income Statements, Captions [Line Items] |
|
|
|
|
Revenues |
14,162
|
14,003
|
28,629
|
29,403
|
Costs and expenses: |
|
|
|
|
Operating |
14,156
|
15,880
|
29,023
|
33,430
|
Administrative and general |
1,081
|
1,488
|
2,466
|
2,966
|
Depreciation |
243
|
251
|
503
|
485
|
Total costs and expenses |
15,480
|
17,619
|
31,992
|
36,881
|
Gains on asset dispositions, net |
0
|
0
|
0
|
0
|
Operating loss |
(1,318)
|
(3,616)
|
(3,363)
|
(7,478)
|
Other income (expense): |
|
|
|
|
Interest income |
7
|
50
|
53
|
168
|
Interest expense |
(20)
|
(54)
|
(111)
|
(104)
|
Foreign currency losses, net |
(809)
|
(425)
|
(820)
|
(430)
|
Gain on debt extinguishment |
|
|
175
|
|
Other, net |
4
|
(9)
|
(4)
|
3
|
Total other income (expense) |
(818)
|
(438)
|
(707)
|
(363)
|
Loss before income taxes and equity earnings |
(2,136)
|
(4,054)
|
(4,070)
|
(7,841)
|
Income tax expense (benefit) |
0
|
571
|
0
|
360
|
Income (loss) before equity earnings |
(2,136)
|
(4,625)
|
(4,070)
|
(8,201)
|
Equity earnings, net of tax |
|
0
|
|
0
|
Equity in earnings (losses) of subsidiaries |
0
|
0
|
0
|
0
|
Net income (loss) |
(2,136)
|
(4,625)
|
(4,070)
|
(8,201)
|
Net loss (income) attributable to non-controlling interest in subsidiary |
137
|
285
|
300
|
452
|
Net income (loss) attributable to Era Group Inc. |
(1,999)
|
(4,340)
|
(3,770)
|
(7,749)
|
Eliminations |
|
|
|
|
Condensed Income Statements, Captions [Line Items] |
|
|
|
|
Revenues |
(6,483)
|
(7,723)
|
(13,460)
|
(16,629)
|
Costs and expenses: |
|
|
|
|
Operating |
(6,483)
|
(7,723)
|
(13,460)
|
(16,629)
|
Administrative and general |
0
|
0
|
0
|
0
|
Depreciation |
0
|
0
|
0
|
0
|
Total costs and expenses |
(6,483)
|
(7,723)
|
(13,460)
|
(16,629)
|
Gains on asset dispositions, net |
0
|
0
|
0
|
0
|
Operating loss |
0
|
0
|
0
|
0
|
Other income (expense): |
|
|
|
|
Interest income |
0
|
0
|
0
|
0
|
Interest expense |
0
|
0
|
0
|
0
|
Foreign currency losses, net |
0
|
0
|
0
|
0
|
Gain on debt extinguishment |
|
|
0
|
|
Other, net |
0
|
0
|
0
|
0
|
Total other income (expense) |
0
|
0
|
0
|
0
|
Loss before income taxes and equity earnings |
0
|
0
|
0
|
0
|
Income tax expense (benefit) |
0
|
0
|
0
|
0
|
Income (loss) before equity earnings |
0
|
0
|
0
|
0
|
Equity earnings, net of tax |
|
0
|
|
0
|
Equity in earnings (losses) of subsidiaries |
(575)
|
(580)
|
(6,402)
|
1,856
|
Net income (loss) |
(575)
|
(580)
|
(6,402)
|
1,856
|
Net loss (income) attributable to non-controlling interest in subsidiary |
0
|
0
|
0
|
0
|
Net income (loss) attributable to Era Group Inc. |
$ (575)
|
$ (580)
|
$ (6,402)
|
$ 1,856
|