| Dec'18 | Sep'18 | Jun'18 | Mar'18 | Dec'17 | Sep'17 | Jun'17 | Mar'17 | Dec'16 | Sep'16 | Jun'16 | Mar'16 |
|---|---|---|---|---|---|---|---|---|---|---|---|
Cash flows from operating activities: | |||||||||||
Net income (loss) | |||||||||||
264,853 | 11,523 | -14,094 | -115,774 | 14,066 | -10,804 | 26,366 | 20,252 | -17,636 | 3,057 | -18,281 | -14,216 |
Adjustments to reconcile net income (loss) to net cash provided by operating activities: | |||||||||||
Depreciation, depletion and amortization | |||||||||||
91,266 | 75,170 | 70,579 | 59,670 | 56,735 | 52,148 | 33,074 | 26,293 | 20,652 | 19,317 | 19,823 | 21,965 |
Accretion of asset retirement obligations | |||||||||||
- | - | 115 | 213 | - | - | 155 | 150 | - | 101 | 100 | 98 |
Impairments of unproved properties | |||||||||||
2,278 | 2,360 | 4,359 | 1,507 | 6,924 | 3,247 | 9,980 | 683 | - | - | - | - |
Impairment of NLA Disposal Group | |||||||||||
0 | 0 | 0 | 214,274 | - | 0 | 0 | 0 | - | - | - | - |
Amortization of debt issuance cost | |||||||||||
914 | 763 | 768 | 653 | 613 | 685 | 439 | 838 | 137 | 114 | 111 | 117 |
Accretion of senior note discount | |||||||||||
24 | 3 | -35 | 140 | 145 | 92 | 63 | 42 | - | - | - | - |
(Gain) loss on derivative instruments | |||||||||||
262,926 | -76,358 | -110,805 | -40,370 | -92,602 | -40,288 | 46,116 | 31,291 | -18,077 | 3,670 | -15,610 | 3,246 |
Cash settlements on derivative instruments | |||||||||||
-32,460 | -31,123 | -29,508 | -20,546 | -5,378 | 5,802 | 2,076 | -983 | -1,093 | 170 | 2,525 | 3,373 |
Deferred income tax expense (benefit) | |||||||||||
68,589 | 23,529 | -12,800 | -38,125 | -60,094 | -6,630 | 15,193 | 11,700 | -6,010 | 205 | 116 | 114 |
Debt extinguishment benefit | |||||||||||
- | - | - | 0 | 0 | 0 | 0 | 11 | -1,309 | 0 | 0 | -358 |
Amortization of equity awards | |||||||||||
7,480 | 4,997 | 3,835 | 3,156 | 2,427 | 2,414 | 1,308 | 495 | - | - | - | - |
Consideration paid to customers, net of amortization | |||||||||||
11 | 478 | 904 | 424 | - | - | - | - | - | - | - | - |
Changes in operating assets and liabilities: | |||||||||||
Increase in accounts receivable | |||||||||||
-15,286 | 5,171 | 4,726 | 13,595 | 14,747 | 19,774 | 14,260 | 8,047 | 6,984 | 5,440 | -658 | 4,534 |
Increase in prepaid expenses | |||||||||||
73 | -328 | 463 | 368 | -855 | -515 | 1,025 | 735 | 95 | 2,743 | -2,213 | -177 |
Increase in inventories | |||||||||||
1,704 | 0 | -479 | -169 | - | - | - | - | - | - | - | -1,728 |
(Decrease) increase in accounts payable and accrued liabilities | |||||||||||
14,894 | -2,384 | 34,519 | -13,351 | 40,680 | 3,480 | 16,962 | 8,433 | -13,170 | -4,150 | -827 | -9,003 |
Net cash flow provided by operating activities | |||||||||||
- | - | - | 117,969 | - | - | - | 27,819 | - | 6,961 | 20,382 | -3,069 |
Cash flows from investing activities: | |||||||||||
Acquisitions of oil and gas properties | |||||||||||
626 | 33,274 | 198 | 19,716 | 2,209 | 1,644 | 544,370 | 3,019 | 425,133 | 6,711 | 2,027 | 2,201 |
Acquisition post-closing adjustment receipts | |||||||||||
- | - | - | - | - | - | - | 3,905 | - | - | - | - |
Additions to oil and gas properties | |||||||||||
227,235 | 245,987 | 280,730 | 297,939 | 257,336 | 231,947 | 147,919 | 63,344 | 40,996 | 11,466 | 33,554 | 39,821 |
Additions to and acquisitions of other property and equipment | |||||||||||
25,610 | 32,977 | 12,114 | 12,896 | 5,889 | 3,881 | 4,668 | 1,521 | 2,433 | 143 | 539 | 2,288 |
Construction deposits | |||||||||||
- | - | - | 8,738 | - | - | - | - | - | - | - | - |
Proceeds from NLA Divestiture | |||||||||||
1,518 | 0 | 0 | 206,406 | - | - | - | - | - | - | - | - |
Acquisition deposits | |||||||||||
- | - | - | - | - | - | - | 1,319 | - | - | - | - |
Change in restricted cash | |||||||||||
- | - | - | - | - | - | - | - | - | 0 | 0 | 86 |
Net cash used in investing activities | |||||||||||
- | - | - | -132,883 | - | - | - | -65,298 | - | -18,320 | -36,120 | -44,396 |
Cash flows from financing activities: | |||||||||||
Advances on revolving credit facilities | |||||||||||
243,000 | 312,000 | 222,000 | 308,000 | 150,000 | 202,000 | 146,000 | 15,500 | 282,450 | 12,000 | 5,000 | 84,000 |
Payments on revolving credit facilities | |||||||||||
138,000 | 162,000 | 282,000 | 285,353 | 22,132 | 189,515 | 0 | 258,250 | 273,200 | 4,500 | 24,000 | 77,000 |
Debt issuance cost | |||||||||||
1,234 | 256 | 2,373 | 873 | 1,734 | 2,789 | 1,740 | 9,016 | 2,939 | 188 | 49 | 431 |
Termination of second lien | |||||||||||
- | - | - | - | - | - | - | - | 0 | 0 | 0 | 225 |
Proceeds from senior notes offering | |||||||||||
- | - | - | - | 0 | 147,390 | 0 | 347,354 | - | - | - | - |
Proceeds from the issuance of common stock | |||||||||||
- | - | - | - | 0 | 0 | 0 | 34,457 | - | - | - | - |
Cost incurred in conjunction with the issuance of stock | |||||||||||
- | - | - | - | - | 601 | -376 | 2,473 | - | - | - | - |
Repurchase of vested restricted stock | |||||||||||
- | - | 4,035 | 69 | - | - | - | - | - | - | - | - |
Predecessor contributions | |||||||||||
- | - | - | - | - | - | - | - | - | 0 | 504 | 12,776 |
Net cash provided by financing activities | |||||||||||
- | - | - | 21,705 | - | - | - | 127,572 | - | 7,312 | 6,455 | 19,120 |
Net change in cash, cash equivalents and restricted cash | |||||||||||
13,202 | -17,394 | 12,122 | 6,791 | -5,685 | -9,474 | -78,709 | 90,093 | 1,999 | -4,047 | -9,283 | -28,345 |