GUARANTORS OF SECURITIES (Condensed Income Statement) (Details) - USD ($) $ in Thousands |
3 Months Ended |
9 Months Ended |
Sep. 30, 2019 |
Sep. 30, 2018 |
Sep. 30, 2019 |
Sep. 30, 2018 |
Condensed Income Statements, Captions [Line Items] |
|
|
|
|
Revenues |
$ 58,909
|
$ 54,610
|
$ 165,682
|
$ 169,660
|
Costs and expenses: |
|
|
|
|
Operating |
39,522
|
36,513
|
115,038
|
114,505
|
Administrative and general |
9,142
|
8,837
|
26,912
|
35,714
|
Depreciation |
9,312
|
9,541
|
28,282
|
30,011
|
Total costs and expenses |
57,976
|
54,891
|
170,232
|
180,230
|
Gains (losses) on asset dispositions, net |
754
|
(148)
|
562
|
2,269
|
Litigation settlement proceeds |
0
|
42,000
|
0
|
42,000
|
Operating income (loss) |
1,687
|
41,571
|
(3,988)
|
33,699
|
Other income (expense): |
|
|
|
|
Interest income |
956
|
732
|
2,642
|
1,224
|
Interest expense |
(3,464)
|
(3,549)
|
(10,357)
|
(11,646)
|
Loss on sale of investments |
0
|
0
|
(569)
|
0
|
Foreign currency losses, net |
(718)
|
(94)
|
(574)
|
(1,095)
|
Gains (losses) on debt extinguishment |
0
|
0
|
(13)
|
175
|
Other, net |
(5)
|
15
|
(25)
|
21
|
Total other income (expense) |
(3,231)
|
(2,896)
|
(8,896)
|
(11,321)
|
Income (loss) before income taxes and equity earnings |
(1,544)
|
38,675
|
(12,884)
|
22,378
|
Income tax (benefit) expense |
515
|
7,861
|
321
|
4,549
|
Income (loss) before equity earnings |
(2,059)
|
30,814
|
(13,205)
|
17,829
|
Equity in earnings (losses) of subsidiaries |
0
|
465
|
9,935
|
1,577
|
Net income (loss) |
(2,059)
|
31,279
|
(3,270)
|
19,406
|
Net loss attributable to noncontrolling interest in subsidiary |
149
|
10
|
357
|
310
|
Net income (loss) attributable to Era Group Inc. |
(1,910)
|
31,289
|
(2,913)
|
19,716
|
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 |
1,025
|
901
|
4,009
|
14,087
|
Depreciation |
0
|
0
|
0
|
0
|
Total costs and expenses |
1,025
|
901
|
4,009
|
14,087
|
Gains (losses) on asset dispositions, net |
0
|
0
|
0
|
0
|
Litigation settlement proceeds |
|
42,000
|
|
42,000
|
Operating income (loss) |
(1,025)
|
41,099
|
(4,009)
|
27,913
|
Other income (expense): |
|
|
|
|
Interest income |
492
|
171
|
1,135
|
180
|
Interest expense |
(3,263)
|
(3,330)
|
(9,721)
|
(10,925)
|
Loss on sale of investments |
|
|
(569)
|
|
Foreign currency losses, net |
(81)
|
(10)
|
(93)
|
(66)
|
Gains (losses) on debt extinguishment |
|
|
(13)
|
0
|
Other, net |
(4)
|
0
|
(20)
|
0
|
Total other income (expense) |
(2,856)
|
(3,169)
|
(9,281)
|
(10,811)
|
Income (loss) before income taxes and equity earnings |
(3,881)
|
37,930
|
(13,290)
|
17,102
|
Income tax (benefit) expense |
(432)
|
3,928
|
(114)
|
1,075
|
Income (loss) before equity earnings |
(3,449)
|
34,002
|
(13,176)
|
16,027
|
Equity in earnings (losses) of subsidiaries |
1,541
|
(2,747)
|
10,275
|
3,655
|
Net income (loss) |
(1,908)
|
31,255
|
(2,901)
|
19,682
|
Net loss attributable to noncontrolling interest in subsidiary |
0
|
0
|
0
|
0
|
Net income (loss) attributable to Era Group Inc. |
(1,908)
|
31,255
|
(2,901)
|
19,682
|
Reportable Legal Entities | Guarantors |
|
|
|
|
Condensed Income Statements, Captions [Line Items] |
|
|
|
|
Revenues |
53,633
|
48,631
|
148,992
|
148,512
|
Costs and expenses: |
|
|
|
|
Operating |
32,926
|
29,888
|
94,977
|
92,317
|
Administrative and general |
7,177
|
6,957
|
20,135
|
18,182
|
Depreciation |
9,100
|
9,316
|
27,572
|
29,283
|
Total costs and expenses |
49,203
|
46,161
|
142,684
|
139,782
|
Gains (losses) on asset dispositions, net |
754
|
(148)
|
562
|
2,269
|
Litigation settlement proceeds |
|
0
|
|
0
|
Operating income (loss) |
5,184
|
2,322
|
6,870
|
10,999
|
Other income (expense): |
|
|
|
|
Interest income |
444
|
448
|
1,423
|
878
|
Interest expense |
(193)
|
(204)
|
(614)
|
(595)
|
Loss on sale of investments |
|
|
0
|
|
Foreign currency losses, net |
(104)
|
(16)
|
15
|
(141)
|
Gains (losses) on debt extinguishment |
|
|
0
|
0
|
Other, net |
5
|
21
|
16
|
31
|
Total other income (expense) |
152
|
249
|
840
|
173
|
Income (loss) before income taxes and equity earnings |
5,336
|
2,571
|
7,710
|
11,172
|
Income tax (benefit) expense |
947
|
3,933
|
435
|
3,474
|
Income (loss) before equity earnings |
4,389
|
(1,362)
|
7,275
|
7,698
|
Equity in earnings (losses) of subsidiaries |
0
|
465
|
9,935
|
1,577
|
Net income (loss) |
4,389
|
(897)
|
17,210
|
9,275
|
Net loss attributable to noncontrolling interest in subsidiary |
0
|
0
|
0
|
0
|
Net income (loss) attributable to Era Group Inc. |
4,389
|
(897)
|
17,210
|
9,275
|
Reportable Legal Entities | Non-guarantors |
|
|
|
|
Condensed Income Statements, Captions [Line Items] |
|
|
|
|
Revenues |
14,681
|
13,623
|
42,835
|
42,252
|
Costs and expenses: |
|
|
|
|
Operating |
16,001
|
14,302
|
46,195
|
43,325
|
Administrative and general |
940
|
979
|
2,768
|
3,445
|
Depreciation |
212
|
225
|
710
|
728
|
Total costs and expenses |
17,153
|
15,506
|
49,673
|
47,498
|
Gains (losses) on asset dispositions, net |
0
|
0
|
0
|
0
|
Litigation settlement proceeds |
|
0
|
|
0
|
Operating income (loss) |
(2,472)
|
(1,883)
|
(6,838)
|
(5,246)
|
Other income (expense): |
|
|
|
|
Interest income |
20
|
113
|
84
|
166
|
Interest expense |
(8)
|
(15)
|
(22)
|
(126)
|
Loss on sale of investments |
|
|
0
|
|
Foreign currency losses, net |
(533)
|
(68)
|
(496)
|
(888)
|
Gains (losses) on debt extinguishment |
|
|
0
|
175
|
Other, net |
(6)
|
(6)
|
(21)
|
(10)
|
Total other income (expense) |
(527)
|
24
|
(455)
|
(683)
|
Income (loss) before income taxes and equity earnings |
(2,999)
|
(1,859)
|
(7,293)
|
(5,929)
|
Income tax (benefit) expense |
0
|
0
|
0
|
0
|
Income (loss) before equity earnings |
(2,999)
|
(1,859)
|
(7,293)
|
(5,929)
|
Equity in earnings (losses) of subsidiaries |
0
|
0
|
0
|
0
|
Net income (loss) |
(2,999)
|
(1,859)
|
(7,293)
|
(5,929)
|
Net loss attributable to noncontrolling interest in subsidiary |
149
|
10
|
357
|
310
|
Net income (loss) attributable to Era Group Inc. |
(2,850)
|
(1,849)
|
(6,936)
|
(5,619)
|
Eliminations |
|
|
|
|
Condensed Income Statements, Captions [Line Items] |
|
|
|
|
Revenues |
(9,405)
|
(7,644)
|
(26,145)
|
(21,104)
|
Costs and expenses: |
|
|
|
|
Operating |
(9,405)
|
(7,677)
|
(26,134)
|
(21,137)
|
Administrative and general |
0
|
0
|
0
|
0
|
Depreciation |
0
|
0
|
0
|
0
|
Total costs and expenses |
(9,405)
|
(7,677)
|
(26,134)
|
(21,137)
|
Gains (losses) on asset dispositions, net |
0
|
0
|
0
|
0
|
Litigation settlement proceeds |
|
0
|
|
0
|
Operating income (loss) |
0
|
33
|
(11)
|
33
|
Other income (expense): |
|
|
|
|
Interest income |
0
|
0
|
0
|
0
|
Interest expense |
0
|
0
|
0
|
0
|
Loss on sale of investments |
|
|
0
|
|
Foreign currency losses, net |
0
|
0
|
0
|
0
|
Gains (losses) 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
|
33
|
(11)
|
33
|
Income tax (benefit) expense |
0
|
0
|
0
|
0
|
Income (loss) before equity earnings |
0
|
33
|
(11)
|
33
|
Equity in earnings (losses) of subsidiaries |
(1,541)
|
2,747
|
(10,275)
|
(3,655)
|
Net income (loss) |
(1,541)
|
2,780
|
(10,286)
|
(3,622)
|
Net loss attributable to noncontrolling interest in subsidiary |
0
|
0
|
0
|
0
|
Net income (loss) attributable to Era Group Inc. |
$ (1,541)
|
$ 2,780
|
$ (10,286)
|
$ (3,622)
|