Parent, Guarantor, Non-Guarantor Unaudited Consolidating Condensed Financial Statements - Consolidating Condensed Statement of Operations (Detail) - USD ($) $ in Thousands |
3 Months Ended |
9 Months Ended |
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
Condensed Financial Statements [Line Items] |
|
|
|
|
Total revenues |
$ 97,189
|
$ 173,418
|
$ 332,979
|
$ 563,435
|
Operating expenses |
84,680
|
128,963
|
281,992
|
411,802
|
Depreciation and amortization |
34,474
|
39,584
|
106,605
|
118,474
|
Total operating gross margin |
(21,965)
|
4,871
|
(55,618)
|
33,159
|
General and administration expense |
(7,424)
|
(8,895)
|
(25,200)
|
(29,243)
|
Provision for reduction in carrying value of certain assets |
0
|
(906)
|
0
|
(3,222)
|
Gain (loss) on disposition of assets, net |
(187)
|
383
|
(249)
|
2,686
|
Total operating income (loss) |
(29,576)
|
(4,547)
|
(81,067)
|
3,380
|
Other income (expense): |
|
|
|
|
Interest expense |
(11,015)
|
(11,293)
|
(34,764)
|
(33,767)
|
Interest income |
9
|
7
|
48
|
209
|
Other |
(351)
|
(719)
|
1,776
|
(3,628)
|
Equity in net earnings of subsidiaries |
0
|
0
|
0
|
0
|
Total other income (expense) |
(11,357)
|
(12,005)
|
(32,940)
|
(37,186)
|
Loss before income taxes |
(40,933)
|
(16,552)
|
(114,007)
|
(33,806)
|
Income tax expense (benefit) |
5,295
|
31,930
|
67,878
|
24,832
|
Deferred income tax expense (benefit) |
|
|
61,199
|
10,259
|
Net income (loss) |
(46,228)
|
(48,482)
|
(181,885)
|
(58,638)
|
Net Income (Loss) Attributable to Noncontrolling Interest |
0
|
138
|
0
|
789
|
Net loss attributable to controlling interest |
(46,228)
|
(48,620)
|
(181,885)
|
(59,427)
|
(Gain) loss on debt modification |
|
|
(1,088)
|
0
|
Parent [Member] |
|
|
|
|
Condensed Financial Statements [Line Items] |
|
|
|
|
Total revenues |
0
|
0
|
0
|
0
|
Operating expenses |
0
|
0
|
0
|
0
|
Depreciation and amortization |
0
|
0
|
0
|
0
|
Total operating gross margin |
0
|
0
|
0
|
0
|
General and administration expense |
(92)
|
(148)
|
(291)
|
(1,152)
|
Provision for reduction in carrying value of certain assets |
0
|
|
|
0
|
Gain (loss) on disposition of assets, net |
0
|
0
|
0
|
0
|
Total operating income (loss) |
(92)
|
(148)
|
(291)
|
(1,152)
|
Other income (expense): |
|
|
|
|
Interest expense |
(11,700)
|
(11,020)
|
(36,452)
|
(33,145)
|
Interest income |
189
|
173
|
584
|
756
|
Other |
0
|
0
|
0
|
0
|
Equity in net earnings of subsidiaries |
(24,887)
|
(29,913)
|
(65,679)
|
(29,316)
|
Total other income (expense) |
(36,398)
|
(40,760)
|
(101,547)
|
(61,705)
|
Loss before income taxes |
(36,490)
|
(40,908)
|
(101,838)
|
(62,857)
|
Income tax expense (benefit) |
9,738
|
7,712
|
80,047
|
(3,430)
|
Deferred income tax expense (benefit) |
|
|
46,773
|
(24,184)
|
Net income (loss) |
(46,228)
|
(48,620)
|
(181,885)
|
(59,427)
|
Net Income (Loss) Attributable to Noncontrolling Interest |
|
0
|
|
0
|
Net loss attributable to controlling interest |
(46,228)
|
(48,620)
|
(181,885)
|
(59,427)
|
(Gain) loss on debt modification |
|
|
(1,088)
|
|
Guarantor [Member] |
|
|
|
|
Condensed Financial Statements [Line Items] |
|
|
|
|
Total revenues |
25,399
|
59,252
|
107,368
|
201,924
|
Operating expenses |
25,505
|
32,457
|
83,917
|
112,229
|
Depreciation and amortization |
22,300
|
24,002
|
68,739
|
71,270
|
Total operating gross margin |
(22,406)
|
2,793
|
(45,288)
|
18,425
|
General and administration expense |
(2,759)
|
(8,857)
|
(20,199)
|
(31,896)
|
Provision for reduction in carrying value of certain assets |
0
|
(920)
|
|
(920)
|
Gain (loss) on disposition of assets, net |
(12)
|
407
|
141
|
452
|
Total operating income (loss) |
(25,177)
|
(6,577)
|
(65,346)
|
(13,939)
|
Other income (expense): |
|
|
|
|
Interest expense |
(56)
|
(268)
|
(537)
|
(608)
|
Interest income |
157
|
(18)
|
515
|
(12)
|
Other |
15
|
(102)
|
488
|
(81)
|
Equity in net earnings of subsidiaries |
0
|
0
|
0
|
0
|
Total other income (expense) |
116
|
(388)
|
466
|
(701)
|
Loss before income taxes |
(25,061)
|
(6,965)
|
(64,880)
|
(14,640)
|
Income tax expense (benefit) |
(6,652)
|
(2,846)
|
(15,656)
|
(5,656)
|
Deferred income tax expense (benefit) |
|
|
12,693
|
10,032
|
Net income (loss) |
(18,409)
|
(4,119)
|
(49,224)
|
(8,984)
|
Net Income (Loss) Attributable to Noncontrolling Interest |
|
0
|
|
0
|
Net loss attributable to controlling interest |
(18,409)
|
(4,119)
|
(49,224)
|
(8,984)
|
(Gain) loss on debt modification |
|
|
0
|
|
Non-Guarantor [Member] |
|
|
|
|
Condensed Financial Statements [Line Items] |
|
|
|
|
Total revenues |
96,663
|
138,564
|
292,034
|
452,197
|
Operating expenses |
84,048
|
120,904
|
264,498
|
390,259
|
Depreciation and amortization |
12,174
|
15,582
|
37,866
|
47,204
|
Total operating gross margin |
441
|
2,078
|
(10,330)
|
14,734
|
General and administration expense |
(4,573)
|
110
|
(4,710)
|
3,805
|
Provision for reduction in carrying value of certain assets |
0
|
14
|
|
(2,302)
|
Gain (loss) on disposition of assets, net |
(175)
|
(24)
|
(390)
|
2,234
|
Total operating income (loss) |
(4,307)
|
2,178
|
(15,430)
|
18,471
|
Other income (expense): |
|
|
|
|
Interest expense |
504
|
(2,618)
|
(4,646)
|
(5,956)
|
Interest income |
(100)
|
2,465
|
5,820
|
5,407
|
Other |
(366)
|
(617)
|
1,288
|
(3,547)
|
Equity in net earnings of subsidiaries |
0
|
0
|
0
|
0
|
Total other income (expense) |
38
|
(770)
|
2,462
|
(4,096)
|
Loss before income taxes |
(4,269)
|
1,408
|
(12,968)
|
14,375
|
Income tax expense (benefit) |
2,209
|
27,064
|
3,487
|
33,918
|
Deferred income tax expense (benefit) |
|
|
1,733
|
24,411
|
Net income (loss) |
(6,478)
|
(25,656)
|
(16,455)
|
(19,543)
|
Net Income (Loss) Attributable to Noncontrolling Interest |
|
138
|
|
789
|
Net loss attributable to controlling interest |
(6,478)
|
(25,794)
|
(16,455)
|
(20,332)
|
(Gain) loss on debt modification |
|
|
0
|
|
Consolidation, Eliminations [Member] |
|
|
|
|
Condensed Financial Statements [Line Items] |
|
|
|
|
Total revenues |
(24,873)
|
(24,398)
|
(66,423)
|
(90,686)
|
Operating expenses |
(24,873)
|
(24,398)
|
(66,423)
|
(90,686)
|
Depreciation and amortization |
0
|
0
|
0
|
0
|
Total operating gross margin |
0
|
0
|
0
|
0
|
General and administration expense |
0
|
0
|
0
|
0
|
Provision for reduction in carrying value of certain assets |
0
|
|
|
0
|
Gain (loss) on disposition of assets, net |
0
|
0
|
0
|
0
|
Total operating income (loss) |
0
|
0
|
0
|
0
|
Other income (expense): |
|
|
|
|
Interest expense |
237
|
2,613
|
6,871
|
5,942
|
Interest income |
(237)
|
(2,613)
|
(6,871)
|
(5,942)
|
Other |
0
|
0
|
0
|
0
|
Equity in net earnings of subsidiaries |
24,887
|
29,913
|
65,679
|
29,316
|
Total other income (expense) |
24,887
|
29,913
|
65,679
|
29,316
|
Loss before income taxes |
24,887
|
29,913
|
65,679
|
29,316
|
Income tax expense (benefit) |
0
|
0
|
0
|
0
|
Deferred income tax expense (benefit) |
|
|
0
|
0
|
Net income (loss) |
24,887
|
29,913
|
65,679
|
29,316
|
Net Income (Loss) Attributable to Noncontrolling Interest |
|
0
|
|
0
|
Net loss attributable to controlling interest |
$ 24,887
|
$ 29,913
|
65,679
|
$ 29,316
|
(Gain) loss on debt modification |
|
|
$ 0
|
|