GUARANTORS OF SECURITIES (Condensed Income Statement) (Details) - USD ($) $ in Thousands |
3 Months Ended |
6 Months Ended |
Jun. 30, 2017 |
Jun. 30, 2016 |
Jun. 30, 2017 |
Jun. 30, 2016 |
Condensed Income Statements, Captions [Line Items] |
|
|
|
|
Operating revenues |
$ 57,878
|
$ 63,351
|
$ 112,405
|
$ 125,933
|
Costs and expenses: |
|
|
|
|
Operating |
41,335
|
47,396
|
79,092
|
91,703
|
Administrative and general |
9,902
|
8,140
|
20,283
|
17,367
|
Depreciation |
11,978
|
12,691
|
23,532
|
25,457
|
Total costs and expenses |
63,215
|
68,227
|
122,907
|
134,527
|
Gains on asset dispositions, net |
5,061
|
1,367
|
5,170
|
4,280
|
Operating loss |
(276)
|
(3,509)
|
(5,332)
|
(4,314)
|
Other income (expense): |
|
|
|
|
Interest income |
185
|
403
|
435
|
704
|
Interest expense |
(3,934)
|
(4,130)
|
(7,523)
|
(8,878)
|
Foreign currency gains (losses), net |
(136)
|
329
|
(108)
|
610
|
Gain on debt extinguishment |
0
|
518
|
0
|
518
|
Other, net |
(8)
|
46
|
4
|
29
|
Total other income (expense) |
(3,893)
|
(2,834)
|
(7,192)
|
(7,017)
|
Income (loss) before income taxes and equity earnings |
(4,169)
|
(6,343)
|
(12,524)
|
(11,331)
|
Income tax expense (benefit) |
(726)
|
(1,232)
|
(2,829)
|
(2,246)
|
Income (loss) before equity earnings |
(3,443)
|
(5,111)
|
(9,695)
|
(9,085)
|
Equity earnings, net of tax |
371
|
601
|
836
|
625
|
Equity in earnings (losses) of subsidiaries |
0
|
0
|
0
|
0
|
Net income (loss) |
(3,072)
|
(4,510)
|
(8,859)
|
(8,460)
|
Net loss (income) attributable to non-controlling interest in subsidiary |
285
|
6,448
|
452
|
6,580
|
Net income (loss) attributable to Era Group Inc. |
(2,787)
|
1,938
|
(8,407)
|
(1,880)
|
Reportable Legal Entities | Parent |
|
|
|
|
Condensed Income Statements, Captions [Line Items] |
|
|
|
|
Operating revenues |
0
|
0
|
0
|
0
|
Costs and expenses: |
|
|
|
|
Operating |
0
|
0
|
0
|
0
|
Administrative and general |
1,110
|
871
|
2,975
|
1,919
|
Depreciation |
0
|
0
|
0
|
0
|
Total costs and expenses |
1,110
|
871
|
2,975
|
1,919
|
Gains on asset dispositions, net |
0
|
0
|
0
|
0
|
Operating loss |
(1,110)
|
(871)
|
(2,975)
|
(1,919)
|
Other income (expense): |
|
|
|
|
Interest income |
28
|
9
|
49
|
13
|
Interest expense |
(3,721)
|
(3,841)
|
(6,962)
|
(8,184)
|
Foreign currency gains (losses), net |
129
|
(52)
|
154
|
17
|
Gain on debt extinguishment |
|
518
|
|
518
|
Other, net |
0
|
0
|
0
|
0
|
Total other income (expense) |
(3,564)
|
(3,366)
|
(6,759)
|
(7,636)
|
Income (loss) before income taxes and equity earnings |
(4,674)
|
(4,237)
|
(9,734)
|
(9,555)
|
Income tax expense (benefit) |
(1,307)
|
(490)
|
(3,183)
|
(1,719)
|
Income (loss) before equity earnings |
(3,367)
|
(3,747)
|
(6,551)
|
(7,836)
|
Equity earnings, net of tax |
0
|
0
|
0
|
0
|
Equity in earnings (losses) of subsidiaries |
580
|
5,685
|
(1,856)
|
5,956
|
Net income (loss) |
(2,787)
|
1,938
|
(8,407)
|
(1,880)
|
Net loss (income) attributable to non-controlling interest in subsidiary |
0
|
0
|
0
|
0
|
Net income (loss) attributable to Era Group Inc. |
(2,787)
|
1,938
|
(8,407)
|
(1,880)
|
Reportable Legal Entities | Guarantors |
|
|
|
|
Condensed Income Statements, Captions [Line Items] |
|
|
|
|
Operating revenues |
51,598
|
57,392
|
99,631
|
116,477
|
Costs and expenses: |
|
|
|
|
Operating |
33,178
|
38,760
|
62,291
|
75,368
|
Administrative and general |
7,304
|
6,875
|
14,342
|
13,959
|
Depreciation |
11,727
|
12,414
|
23,047
|
24,900
|
Total costs and expenses |
52,209
|
58,049
|
99,680
|
114,227
|
Gains on asset dispositions, net |
5,061
|
1,367
|
5,170
|
4,280
|
Operating loss |
4,450
|
710
|
5,121
|
6,530
|
Other income (expense): |
|
|
|
|
Interest income |
107
|
119
|
218
|
242
|
Interest expense |
(159)
|
(136)
|
(457)
|
(284)
|
Foreign currency gains (losses), net |
160
|
(110)
|
168
|
(224)
|
Gain on debt extinguishment |
|
0
|
|
0
|
Other, net |
1
|
1
|
1
|
1
|
Total other income (expense) |
109
|
(126)
|
(70)
|
(265)
|
Income (loss) before income taxes and equity earnings |
4,559
|
584
|
5,051
|
6,265
|
Income tax expense (benefit) |
10
|
(742)
|
(6)
|
(527)
|
Income (loss) before equity earnings |
4,549
|
1,326
|
5,057
|
6,792
|
Equity earnings, net of tax |
371
|
601
|
836
|
625
|
Equity in earnings (losses) of subsidiaries |
0
|
0
|
0
|
0
|
Net income (loss) |
4,920
|
1,927
|
5,893
|
7,417
|
Net loss (income) attributable to non-controlling interest in subsidiary |
0
|
6,349
|
0
|
6,349
|
Net income (loss) attributable to Era Group Inc. |
4,920
|
8,276
|
5,893
|
13,766
|
Reportable Legal Entities | Non-guarantors |
|
|
|
|
Condensed Income Statements, Captions [Line Items] |
|
|
|
|
Operating revenues |
14,003
|
17,788
|
29,403
|
31,883
|
Costs and expenses: |
|
|
|
|
Operating |
15,880
|
20,465
|
33,430
|
38,762
|
Administrative and general |
1,488
|
394
|
2,966
|
1,489
|
Depreciation |
251
|
277
|
485
|
557
|
Total costs and expenses |
17,619
|
21,136
|
36,881
|
40,808
|
Gains on asset dispositions, net |
0
|
0
|
0
|
0
|
Operating loss |
(3,616)
|
(3,348)
|
(7,478)
|
(8,925)
|
Other income (expense): |
|
|
|
|
Interest income |
50
|
275
|
168
|
449
|
Interest expense |
(54)
|
(153)
|
(104)
|
(410)
|
Foreign currency gains (losses), net |
(425)
|
491
|
(430)
|
817
|
Gain on debt extinguishment |
|
0
|
|
0
|
Other, net |
(9)
|
45
|
3
|
28
|
Total other income (expense) |
(438)
|
658
|
(363)
|
884
|
Income (loss) before income taxes and equity earnings |
(4,054)
|
(2,690)
|
(7,841)
|
(8,041)
|
Income tax expense (benefit) |
571
|
0
|
360
|
0
|
Income (loss) before equity earnings |
(4,625)
|
(2,690)
|
(8,201)
|
(8,041)
|
Equity earnings, net of tax |
0
|
0
|
0
|
0
|
Equity in earnings (losses) of subsidiaries |
0
|
0
|
0
|
0
|
Net income (loss) |
(4,625)
|
(2,690)
|
(8,201)
|
(8,041)
|
Net loss (income) attributable to non-controlling interest in subsidiary |
285
|
99
|
452
|
231
|
Net income (loss) attributable to Era Group Inc. |
(4,340)
|
(2,591)
|
(7,749)
|
(7,810)
|
Eliminations |
|
|
|
|
Condensed Income Statements, Captions [Line Items] |
|
|
|
|
Operating revenues |
(7,723)
|
(11,829)
|
(16,629)
|
(22,427)
|
Costs and expenses: |
|
|
|
|
Operating |
(7,723)
|
(11,829)
|
(16,629)
|
(22,427)
|
Administrative and general |
0
|
0
|
0
|
0
|
Depreciation |
0
|
0
|
0
|
0
|
Total costs and expenses |
(7,723)
|
(11,829)
|
(16,629)
|
(22,427)
|
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 gains (losses), net |
0
|
0
|
0
|
0
|
Gain on debt extinguishment |
|
0
|
|
0
|
Other, net |
0
|
0
|
0
|
0
|
Total other income (expense) |
0
|
0
|
0
|
0
|
Income (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
|
0
|
0
|
Equity in earnings (losses) of subsidiaries |
(580)
|
(5,685)
|
1,856
|
(5,956)
|
Net income (loss) |
(580)
|
(5,685)
|
1,856
|
(5,956)
|
Net loss (income) attributable to non-controlling interest in subsidiary |
0
|
0
|
0
|
0
|
Net income (loss) attributable to Era Group Inc. |
$ (580)
|
$ (5,685)
|
$ 1,856
|
$ (5,956)
|