Consolidated statements of cash flows - USD ($)
$ in Thousands |
|
3 Months Ended |
12 Months Ended |
Mar. 31, 2017 |
Mar. 21, 2017 |
Mar. 31, 2016 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
| Cash flows from operating activities |
|
|
|
|
|
|
| Net (loss) income |
$ (19,683)
|
|
|
|
|
|
| Adjustments to reconcile net loss to net cash provided by operating activities |
|
|
|
|
|
|
| Non-cash reorganization items |
0
|
|
|
|
|
|
| Depreciation, depletion and amortization |
3,414
|
|
|
|
|
|
| Loss on impairment of assets |
0
|
|
|
|
|
|
| Write-off of Senior Note issuance costs, discount and premium |
0
|
|
$ 16,970
|
|
|
|
| Derivative losses (gains) |
12,115
|
|
|
|
|
|
| Gain on sale of assets |
0
|
|
|
|
|
|
| Other |
1,012
|
|
|
|
|
|
| Change in assets and liabilities |
|
|
|
|
|
|
| Accounts receivable |
(3,577)
|
|
|
|
|
|
| Inventories |
38
|
|
|
|
|
|
| Prepaid expenses and other assets |
180
|
|
|
|
|
|
| Accounts payable and accrued liabilities |
(3,423)
|
|
|
|
|
|
| Revenue distribution payable |
1,510
|
|
|
|
|
|
| Deferred compensation |
13
|
|
|
|
|
|
| Net cash (used in) provided by operating activities |
(8,401)
|
|
|
|
|
|
| Cash flows from investing activities |
|
|
|
|
|
|
| Expenditures for property, plant, and equipment and oil and natural gas properties |
(5,832)
|
|
|
|
|
|
| Proceeds from asset dispositions |
0
|
|
|
|
|
|
| Proceeds from derivative instruments |
1,692
|
|
|
|
|
|
| Net cash (used in) provided by investing activities |
(4,140)
|
|
|
|
|
|
| Cash flows from financing activities |
|
|
|
|
|
|
| Proceeds from long-term debt |
0
|
|
|
|
|
|
| Repayment of long-term debt |
(19)
|
|
|
|
|
|
| Proceeds from rights offering, net |
0
|
|
|
|
|
|
| Principal payments under capital lease obligations |
(69)
|
|
|
|
|
|
| Payment of other financing fees |
0
|
|
|
|
|
|
| Net cash (used in) provided by financing activities |
(88)
|
|
|
|
|
|
| Net (decrease) increase in cash and cash equivalents |
(12,629)
|
|
|
|
|
|
| Cash and cash equivalents at beginning of period |
45,123
|
|
|
|
|
|
| Cash and cash equivalents at end of period |
32,494
|
$ 45,123
|
|
|
|
|
| Predecessor |
|
|
|
|
|
|
| Cash flows from operating activities |
|
|
|
|
|
|
| Net (loss) income |
|
1,041,959
|
(138,406)
|
$ (415,720)
|
$ (1,333,844)
|
$ 209,293
|
| Adjustments to reconcile net loss to net cash provided by operating activities |
|
|
|
|
|
|
| Non-cash reorganization items |
|
(1,012,090)
|
0
|
|
|
|
| Depreciation, depletion and amortization |
|
24,915
|
31,808
|
122,928
|
216,574
|
245,908
|
| Loss on impairment of assets |
|
0
|
77,896
|
282,472
|
1,507,336
|
0
|
| Write-off of Senior Note issuance costs, discount and premium |
|
0
|
16,970
|
16,970
|
0
|
0
|
| Deferred income taxes |
|
|
|
0
|
(177,487)
|
123,891
|
| Derivative losses (gains) |
|
(48,006)
|
(11,932)
|
22,837
|
(145,288)
|
(231,320)
|
| Gain on sale of assets |
|
(206)
|
(68)
|
117
|
(1,584)
|
(2,152)
|
| Gain on extinguishment of debt |
|
|
|
0
|
(31,590)
|
0
|
| Other |
|
645
|
1,554
|
3,611
|
6,057
|
4,294
|
| Change in assets and liabilities |
|
|
|
|
|
|
| Accounts receivable |
|
198
|
6,262
|
(9,243)
|
15,720
|
4,692
|
| Inventories |
|
466
|
1,285
|
3,576
|
(1,968)
|
(5,516)
|
| Prepaid expenses and other assets |
|
(497)
|
159
|
(1,620)
|
481
|
(750)
|
| Accounts payable and accrued liabilities |
|
8,733
|
7,939
|
25,987
|
(17,200)
|
(24,652)
|
| Revenue distribution payable |
|
(1,875)
|
(2,763)
|
509
|
(12,075)
|
(671)
|
| Deferred compensation |
|
143
|
(955)
|
(5,257)
|
(5,524)
|
894
|
| Net cash (used in) provided by operating activities |
|
14,385
|
(10,251)
|
47,167
|
19,608
|
323,911
|
| Cash flows from investing activities |
|
|
|
|
|
|
| Expenditures for property, plant, and equipment and oil and natural gas properties |
|
(31,179)
|
(47,087)
|
(146,296)
|
(313,481)
|
(685,459)
|
| Proceeds from asset dispositions |
|
1,884
|
471
|
1,349
|
42,618
|
291,429
|
| Proceeds from derivative instruments |
|
1,285
|
47,486
|
90,590
|
233,605
|
2,417
|
| Cash in escrow |
|
|
|
48
|
0
|
0
|
| Derivative premiums paid and other |
|
|
|
0
|
0
|
(20,609)
|
| Net cash (used in) provided by investing activities |
|
(28,010)
|
870
|
(54,309)
|
(37,258)
|
(412,222)
|
| Cash flows from financing activities |
|
|
|
|
|
|
| Proceeds from long-term debt |
|
270,000
|
181,000
|
181,000
|
120,000
|
302,115
|
| Repayment of long-term debt |
|
(444,785)
|
(597)
|
(1,952)
|
(102,978)
|
(228,594)
|
| Repurchase of Senior Notes |
|
|
|
0
|
(9,995)
|
0
|
| Proceeds from rights offering, net |
|
50,031
|
0
|
|
|
|
| Principal payments under capital lease obligations |
|
(568)
|
(614)
|
(2,491)
|
(2,400)
|
(2,313)
|
| Payment of other financing fees |
|
(2,410)
|
0
|
0
|
(1,404)
|
0
|
| Net cash (used in) provided by financing activities |
|
(127,732)
|
179,789
|
176,557
|
3,223
|
71,208
|
| Net (decrease) increase in cash and cash equivalents |
|
(141,357)
|
170,408
|
169,415
|
(14,427)
|
(17,103)
|
| Cash and cash equivalents at beginning of period |
$ 45,123
|
186,480
|
17,065
|
17,065
|
31,492
|
48,595
|
| Cash and cash equivalents at end of period |
|
$ 45,123
|
$ 187,473
|
$ 186,480
|
$ 17,065
|
$ 31,492
|