GUARANTORS OF SECURITIES Supplemental Condensed Consolidating Statements of Operations (Details) - USD ($)
|
3 Months Ended |
12 Months Ended |
Dec. 31, 2016 |
Sep. 30, 2016 |
Jun. 30, 2016 |
Mar. 31, 2016 |
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Condensed Income Statements, Captions [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
Operating revenues |
$ 56,289,000
|
$ 65,006,000
|
$ 63,351,000
|
$ 62,582,000
|
$ 73,943,000
|
$ 69,741,000
|
$ 70,738,000
|
$ 67,415,000
|
$ 247,228,000
|
$ 281,837,000
|
$ 331,222,000
|
Costs and expenses: |
|
|
|
|
|
|
|
|
|
|
|
Operating |
|
|
|
|
|
|
|
|
169,863,000
|
171,481,000
|
204,373,000
|
Administrative and general |
|
|
|
|
|
|
|
|
36,206,000
|
42,812,000
|
43,987,000
|
Depreciation |
|
|
|
|
|
|
|
|
49,315,000
|
47,337,000
|
46,312,000
|
Total costs and expenses |
|
|
|
|
|
|
|
|
255,384,000
|
261,630,000
|
294,672,000
|
Gains on asset dispositions, net |
|
|
|
|
|
|
|
|
4,787,000
|
5,953,000
|
6,101,000
|
Goodwill impairment |
|
|
|
|
|
|
|
|
0
|
(1,866,000)
|
0
|
Operating income (loss) |
(1,421,000)
|
2,366,000
|
(3,509,000)
|
(805,000)
|
4,783,000
|
5,123,000
|
8,535,000
|
5,853,000
|
(3,369,000)
|
24,294,000
|
42,651,000
|
Other income (expense): |
|
|
|
|
|
|
|
|
|
|
|
Interest income |
|
|
|
|
|
|
|
|
741,000
|
1,191,000
|
540,000
|
Interest expense |
|
|
|
|
|
|
|
|
(17,325,000)
|
(13,526,000)
|
(14,778,000)
|
Derivative losses, net |
|
|
|
|
|
|
|
|
0
|
(18,000)
|
(944,000)
|
Note receivable impairment |
|
|
|
|
|
|
|
|
0
|
0
|
(2,457,000)
|
Foreign currency gains, net |
|
|
|
|
|
|
|
|
7,000
|
(2,590,000)
|
(2,377,000)
|
Gains on debt extinguishment |
|
|
|
|
|
|
|
|
(518,000)
|
(1,617,000)
|
0
|
Gain on sale of FBO |
|
|
|
|
|
|
|
|
0
|
12,946,000
|
0
|
Other, net |
|
|
|
|
|
|
|
|
69,000
|
45,000
|
(4,000)
|
Total other income (expense) |
|
|
|
|
|
|
|
|
(15,990,000)
|
(335,000)
|
(20,020,000)
|
Income (loss) before income tax expense and equity earnings |
|
|
|
|
|
|
|
|
(19,359,000)
|
23,959,000
|
22,631,000
|
Income tax expense (benefit) |
|
|
|
|
|
|
|
|
(3,357,000)
|
14,117,000
|
8,285,000
|
Income (loss) before equity earnings |
|
|
|
|
|
|
|
|
(16,002,000)
|
9,842,000
|
14,346,000
|
Equity earnings, net of tax |
|
|
|
|
|
|
|
|
1,092,000
|
(1,943,000)
|
2,675,000
|
Equity in earnings (losses) of subsidiaries |
|
|
|
|
|
|
|
|
0
|
0
|
0
|
Net income (loss) |
(5,648,000)
|
(802,000)
|
(4,510,000)
|
(3,950,000)
|
(3,620,000)
|
653,000
|
11,105,000
|
(239,000)
|
(14,910,000)
|
7,899,000
|
17,021,000
|
Net loss attributable to noncontrolling interest in subsidiaries |
|
|
|
|
|
|
|
|
6,932,000
|
806,000
|
96,000
|
Net income (loss) attributable to Era Group Inc. |
|
|
|
|
|
|
|
|
(7,978,000)
|
8,705,000
|
17,117,000
|
Net income attributable to common shares |
$ (5,538,000)
|
$ (560,000)
|
$ 1,938,000
|
$ (3,818,000)
|
$ (3,447,000)
|
$ 861,000
|
$ 11,333,000
|
$ (42,000)
|
|
8,705,000
|
|
Parent |
|
|
|
|
|
|
|
|
|
|
|
Condensed Income Statements, Captions [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
Operating revenues |
|
|
|
|
|
|
|
|
0
|
0
|
0
|
Costs and expenses: |
|
|
|
|
|
|
|
|
|
|
|
Operating |
|
|
|
|
|
|
|
|
0
|
0
|
0
|
Administrative and general |
|
|
|
|
|
|
|
|
3,744,000
|
6,484,000
|
7,132,000
|
Depreciation |
|
|
|
|
|
|
|
|
0
|
0
|
0
|
Total costs and expenses |
|
|
|
|
|
|
|
|
3,744,000
|
6,484,000
|
7,132,000
|
Gains on asset dispositions, net |
|
|
|
|
|
|
|
|
0
|
0
|
0
|
Goodwill impairment |
|
|
|
|
|
|
|
|
|
0
|
|
Operating income (loss) |
|
|
|
|
|
|
|
|
(3,744,000)
|
(6,484,000)
|
(7,132,000)
|
Other income (expense): |
|
|
|
|
|
|
|
|
|
|
|
Interest income |
|
|
|
|
|
|
|
|
56,000
|
16,000
|
75,000
|
Interest expense |
|
|
|
|
|
|
|
|
(16,033,000)
|
(12,479,000)
|
(13,957,000)
|
Derivative losses, net |
|
|
|
|
|
|
|
|
0
|
0
|
(785,000)
|
Note receivable impairment |
|
|
|
|
|
|
|
|
|
|
(2,457,000)
|
Foreign currency gains, net |
|
|
|
|
|
|
|
|
(77,000)
|
569,000
|
2,163,000
|
Gains on debt extinguishment |
|
|
|
|
|
|
|
|
(518,000)
|
(1,617,000)
|
|
Gain on sale of FBO |
|
|
|
|
|
|
|
|
|
12,946,000
|
|
Other, net |
|
|
|
|
|
|
|
|
0
|
(3,000)
|
10,000
|
Total other income (expense) |
|
|
|
|
|
|
|
|
(15,536,000)
|
2,666,000
|
(14,951,000)
|
Income (loss) before income tax expense and equity earnings |
|
|
|
|
|
|
|
|
(19,280,000)
|
(3,818,000)
|
(22,083,000)
|
Income tax expense (benefit) |
|
|
|
|
|
|
|
|
(8,807,000)
|
(3,368,000)
|
(8,081,000)
|
Income (loss) before equity earnings |
|
|
|
|
|
|
|
|
(10,473,000)
|
(450,000)
|
(14,002,000)
|
Equity earnings, net of tax |
|
|
|
|
|
|
|
|
0
|
0
|
0
|
Equity in earnings (losses) of subsidiaries |
|
|
|
|
|
|
|
|
2,495,000
|
9,155,000
|
31,119,000
|
Net income (loss) |
|
|
|
|
|
|
|
|
(7,978,000)
|
8,705,000
|
17,117,000
|
Net loss attributable to noncontrolling interest in subsidiaries |
|
|
|
|
|
|
|
|
0
|
0
|
0
|
Net income (loss) attributable to Era Group Inc. |
|
|
|
|
|
|
|
|
(7,978,000)
|
8,705,000
|
17,117,000
|
Guarantors |
|
|
|
|
|
|
|
|
|
|
|
Condensed Income Statements, Captions [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
Operating revenues |
|
|
|
|
|
|
|
|
225,773,000
|
262,898,000
|
330,393,000
|
Costs and expenses: |
|
|
|
|
|
|
|
|
|
|
|
Operating |
|
|
|
|
|
|
|
|
138,350,000
|
149,702,000
|
204,271,000
|
Administrative and general |
|
|
|
|
|
|
|
|
27,834,000
|
33,326,000
|
37,139,000
|
Depreciation |
|
|
|
|
|
|
|
|
48,248,000
|
46,722,000
|
45,772,000
|
Total costs and expenses |
|
|
|
|
|
|
|
|
214,432,000
|
229,750,000
|
287,182,000
|
Gains on asset dispositions, net |
|
|
|
|
|
|
|
|
5,035,000
|
8,582,000
|
6,101,000
|
Goodwill impairment |
|
|
|
|
|
|
|
|
|
(352,000)
|
|
Operating income (loss) |
|
|
|
|
|
|
|
|
16,376,000
|
41,378,000
|
49,312,000
|
Other income (expense): |
|
|
|
|
|
|
|
|
|
|
|
Interest income |
|
|
|
|
|
|
|
|
472,000
|
900,000
|
460,000
|
Interest expense |
|
|
|
|
|
|
|
|
(809,000)
|
(773,000)
|
(821,000)
|
Derivative losses, net |
|
|
|
|
|
|
|
|
0
|
(18,000)
|
(159,000)
|
Note receivable impairment |
|
|
|
|
|
|
|
|
|
|
0
|
Foreign currency gains, net |
|
|
|
|
|
|
|
|
(879,000)
|
(3,119,000)
|
(4,540,000)
|
Gains on debt extinguishment |
|
|
|
|
|
|
|
|
0
|
0
|
|
Gain on sale of FBO |
|
|
|
|
|
|
|
|
|
0
|
|
Other, net |
|
|
|
|
|
|
|
|
11,000
|
63,000
|
(14,000)
|
Total other income (expense) |
|
|
|
|
|
|
|
|
(1,205,000)
|
(2,947,000)
|
(5,074,000)
|
Income (loss) before income tax expense and equity earnings |
|
|
|
|
|
|
|
|
15,171,000
|
38,431,000
|
44,238,000
|
Income tax expense (benefit) |
|
|
|
|
|
|
|
|
4,971,000
|
17,625,000
|
16,192,000
|
Income (loss) before equity earnings |
|
|
|
|
|
|
|
|
10,200,000
|
20,806,000
|
28,046,000
|
Equity earnings, net of tax |
|
|
|
|
|
|
|
|
1,092,000
|
(1,943,000)
|
2,675,000
|
Equity in earnings (losses) of subsidiaries |
|
|
|
|
|
|
|
|
0
|
0
|
0
|
Net income (loss) |
|
|
|
|
|
|
|
|
11,292,000
|
18,863,000
|
30,721,000
|
Net loss attributable to noncontrolling interest in subsidiaries |
|
|
|
|
|
|
|
|
6,349,000
|
376,000
|
96,000
|
Net income (loss) attributable to Era Group Inc. |
|
|
|
|
|
|
|
|
17,641,000
|
19,239,000
|
30,817,000
|
Non-guarantors |
|
|
|
|
|
|
|
|
|
|
|
Condensed Income Statements, Captions [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
Operating revenues |
|
|
|
|
|
|
|
|
61,514,000
|
18,952,000
|
1,227,000
|
Costs and expenses: |
|
|
|
|
|
|
|
|
|
|
|
Operating |
|
|
|
|
|
|
|
|
71,572,000
|
21,792,000
|
213,000
|
Administrative and general |
|
|
|
|
|
|
|
|
4,628,000
|
3,002,000
|
3,000
|
Depreciation |
|
|
|
|
|
|
|
|
1,067,000
|
615,000
|
540,000
|
Total costs and expenses |
|
|
|
|
|
|
|
|
77,267,000
|
25,409,000
|
756,000
|
Gains on asset dispositions, net |
|
|
|
|
|
|
|
|
(248,000)
|
(2,629,000)
|
0
|
Goodwill impairment |
|
|
|
|
|
|
|
|
|
(1,514,000)
|
|
Operating income (loss) |
|
|
|
|
|
|
|
|
(16,001,000)
|
(10,600,000)
|
471,000
|
Other income (expense): |
|
|
|
|
|
|
|
|
|
|
|
Interest income |
|
|
|
|
|
|
|
|
213,000
|
275,000
|
5,000
|
Interest expense |
|
|
|
|
|
|
|
|
(483,000)
|
(274,000)
|
0
|
Derivative losses, net |
|
|
|
|
|
|
|
|
0
|
0
|
0
|
Note receivable impairment |
|
|
|
|
|
|
|
|
|
|
0
|
Foreign currency gains, net |
|
|
|
|
|
|
|
|
963,000
|
(40,000)
|
0
|
Gains on debt extinguishment |
|
|
|
|
|
|
|
|
0
|
0
|
|
Gain on sale of FBO |
|
|
|
|
|
|
|
|
|
0
|
|
Other, net |
|
|
|
|
|
|
|
|
58,000
|
(15,000)
|
0
|
Total other income (expense) |
|
|
|
|
|
|
|
|
751,000
|
(54,000)
|
5,000
|
Income (loss) before income tax expense and equity earnings |
|
|
|
|
|
|
|
|
(15,250,000)
|
(10,654,000)
|
476,000
|
Income tax expense (benefit) |
|
|
|
|
|
|
|
|
479,000
|
(140,000)
|
174,000
|
Income (loss) before equity earnings |
|
|
|
|
|
|
|
|
(15,729,000)
|
(10,514,000)
|
302,000
|
Equity earnings, net of tax |
|
|
|
|
|
|
|
|
0
|
0
|
0
|
Equity in earnings (losses) of subsidiaries |
|
|
|
|
|
|
|
|
0
|
0
|
0
|
Net income (loss) |
|
|
|
|
|
|
|
|
(15,729,000)
|
(10,514,000)
|
302,000
|
Net loss attributable to noncontrolling interest in subsidiaries |
|
|
|
|
|
|
|
|
583,000
|
430,000
|
0
|
Net income (loss) attributable to Era Group Inc. |
|
|
|
|
|
|
|
|
(15,146,000)
|
(10,084,000)
|
302,000
|
Eliminations |
|
|
|
|
|
|
|
|
|
|
|
Condensed Income Statements, Captions [Line Items] |
|
|
|
|
|
|
|
|
|
|
|
Operating revenues |
|
|
|
|
|
|
|
|
(40,059,000)
|
(13,000)
|
(398,000)
|
Costs and expenses: |
|
|
|
|
|
|
|
|
|
|
|
Operating |
|
|
|
|
|
|
|
|
(40,059,000)
|
(13,000)
|
(111,000)
|
Administrative and general |
|
|
|
|
|
|
|
|
0
|
0
|
(287,000)
|
Depreciation |
|
|
|
|
|
|
|
|
0
|
0
|
0
|
Total costs and expenses |
|
|
|
|
|
|
|
|
(40,059,000)
|
(13,000)
|
(398,000)
|
Gains on asset dispositions, net |
|
|
|
|
|
|
|
|
0
|
0
|
0
|
Operating income (loss) |
|
|
|
|
|
|
|
|
0
|
0
|
0
|
Other income (expense): |
|
|
|
|
|
|
|
|
|
|
|
Interest income |
|
|
|
|
|
|
|
|
0
|
0
|
0
|
Interest expense |
|
|
|
|
|
|
|
|
0
|
0
|
0
|
Derivative losses, net |
|
|
|
|
|
|
|
|
0
|
0
|
0
|
Note receivable impairment |
|
|
|
|
|
|
|
|
|
|
0
|
Foreign currency gains, net |
|
|
|
|
|
|
|
|
0
|
0
|
0
|
Gains on debt extinguishment |
|
|
|
|
|
|
|
|
0
|
0
|
|
Gain on sale of FBO |
|
|
|
|
|
|
|
|
|
0
|
|
Other, net |
|
|
|
|
|
|
|
|
0
|
0
|
0
|
Total other income (expense) |
|
|
|
|
|
|
|
|
0
|
0
|
0
|
Income (loss) before income tax expense and equity earnings |
|
|
|
|
|
|
|
|
0
|
0
|
0
|
Income tax expense (benefit) |
|
|
|
|
|
|
|
|
0
|
0
|
0
|
Income (loss) before equity earnings |
|
|
|
|
|
|
|
|
0
|
0
|
0
|
Equity earnings, net of tax |
|
|
|
|
|
|
|
|
0
|
0
|
0
|
Equity in earnings (losses) of subsidiaries |
|
|
|
|
|
|
|
|
(2,495,000)
|
(9,155,000)
|
(31,119,000)
|
Net income (loss) |
|
|
|
|
|
|
|
|
(2,495,000)
|
(9,155,000)
|
(31,119,000)
|
Net loss attributable to noncontrolling interest in subsidiaries |
|
|
|
|
|
|
|
|
0
|
0
|
0
|
Net income (loss) attributable to Era Group Inc. |
|
|
|
|
|
|
|
|
$ (2,495,000)
|
$ (9,155,000)
|
$ (31,119,000)
|