Consolidated balance sheets - USD ($) $ in Thousands |
Mar. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
| Current assets: |
|
|
|
| Cash and cash equivalents |
$ 32,494
|
|
|
| Accounts receivable, net |
50,418
|
|
|
| Inventories, net |
6,847
|
|
|
| Prepaid expenses |
4,319
|
|
|
| Derivative instruments |
10,001
|
|
|
| Total current assets |
104,079
|
|
|
| Property and equipment, net |
56,136
|
|
|
| Oil and natural gas properties, using the full cost method: |
|
|
|
| Proved |
608,789
|
|
|
| Unevaluated (excluded from the amortization base) |
586,672
|
|
|
| Accumulated depreciation, depletion, amortization and impairment |
(3,034)
|
|
|
| Total oil and natural gas properties |
1,192,427
|
|
|
| Derivative instruments |
9,544
|
|
|
| Other assets |
5,988
|
|
|
| Total assets |
1,368,174
|
|
|
| Current liabilities: |
|
|
|
| Accounts payable and accrued liabilities |
60,262
|
|
|
| Accrued payroll and benefits payable |
7,358
|
|
|
| Accrued interest payable |
0
|
|
|
| Revenue distribution payable |
12,535
|
|
|
| Long-term debt and capital leases, classified as current |
4,588
|
|
|
| Derivative instruments |
0
|
|
|
| Total current liabilities |
84,743
|
|
|
| Long-term debt and capital leases, less current maturities |
288,991
|
|
|
| Derivative instruments |
0
|
|
|
| Deferred compensation |
529
|
|
|
| Asset retirement obligations |
64,531
|
|
|
| Liabilities subject to compromise |
0
|
|
|
| Commitments and contingencies (Note 10) |
|
|
|
| Stockholders' equity (deficit): |
|
|
|
| Preferred stock |
0
|
|
|
| Additional paid in capital |
948,613
|
|
|
| Accumulated deficit |
(19,683)
|
|
|
| Total stockholders' equity (deficit) |
929,380
|
|
|
| Total liabilities and stockholders' equity (deficit) |
1,368,174
|
|
|
| Predecessor |
|
|
|
| Current assets: |
|
|
|
| Cash and cash equivalents |
|
$ 186,480
|
$ 17,065
|
| Accounts receivable, net |
|
46,226
|
79,000
|
| Inventories, net |
|
7,351
|
12,329
|
| Prepaid expenses |
|
3,886
|
3,700
|
| Derivative instruments |
|
0
|
143,737
|
| Total current assets |
|
243,943
|
255,831
|
| Property and equipment, net |
|
41,347
|
48,962
|
| Oil and natural gas properties, using the full cost method: |
|
|
|
| Proved |
|
4,323,964
|
4,128,193
|
| Unevaluated (excluded from the amortization base) |
|
20,353
|
66,905
|
| Accumulated depreciation, depletion, amortization and impairment |
|
(3,789,133)
|
(3,396,261)
|
| Total oil and natural gas properties |
|
555,184
|
798,837
|
| Derivative instruments |
|
0
|
19,501
|
| Deferred income taxes |
|
0
|
53,914
|
| Other assets |
|
5,513
|
4,268
|
| Total assets |
|
845,987
|
1,181,313
|
| Current liabilities: |
|
|
|
| Accounts payable and accrued liabilities |
|
42,442
|
66,222
|
| Accrued payroll and benefits payable |
|
3,459
|
15,305
|
| Accrued interest payable |
|
732
|
23,303
|
| Revenue distribution payable |
|
9,426
|
12,391
|
| Long-term debt and capital leases, classified as current |
|
469,112
|
1,583,701
|
| Derivative instruments |
|
7,525
|
0
|
| Deferred income taxes |
|
|
53,914
|
| Total current liabilities |
|
532,696
|
1,754,836
|
| Long-term debt and capital leases, less current maturities |
|
0
|
|
| Derivative instruments |
|
5,844
|
0
|
| Deferred compensation |
|
0
|
400
|
| Asset retirement obligations |
|
65,456
|
46,434
|
| Liabilities subject to compromise |
|
1,284,144
|
|
| Commitments and contingencies (Note 10) |
|
|
|
| Stockholders' equity (deficit): |
|
|
|
| Preferred stock |
|
0
|
0
|
| Additional paid in capital |
|
425,231
|
431,307
|
| Accumulated deficit |
|
(1,467,398)
|
(1,051,678)
|
| Total stockholders' equity (deficit) |
|
(1,042,153)
|
(620,357)
|
| Total liabilities and stockholders' equity (deficit) |
|
845,987
|
1,181,313
|
| Common Class A |
|
|
|
| Stockholders' equity (deficit): |
|
|
|
| Common stock |
371
|
|
|
| Common Class A | Predecessor |
|
|
|
| Stockholders' equity (deficit): |
|
|
|
| Common stock |
|
4
|
4
|
| Common Class B |
|
|
|
| Stockholders' equity (deficit): |
|
|
|
| Common stock |
$ 79
|
|
|
| Common Class B | Predecessor |
|
|
|
| Stockholders' equity (deficit): |
|
|
|
| Common stock |
|
3
|
3
|
| Common Class C | Predecessor |
|
|
|
| Stockholders' equity (deficit): |
|
|
|
| Common stock |
|
2
|
2
|
| Common Class E | Predecessor |
|
|
|
| Stockholders' equity (deficit): |
|
|
|
| Common stock |
|
5
|
5
|
| Common Class F | Predecessor |
|
|
|
| Stockholders' equity (deficit): |
|
|
|
| Common stock |
|
0
|
0
|
| Common Class G | Predecessor |
|
|
|
| Stockholders' equity (deficit): |
|
|
|
| Common stock |
|
$ 0
|
$ 0
|