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Condensed Consolidating Financial Information (Tables) | 9 Months Ended
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Sep. 30, 2016
Condensed Financial Information of Parent Company Only Disclosure [Abstract] |
Condensed Consolidating Balance Sheets | CONDENSED CONSOLIDATING BALANCE SHEETS (Amounts in thousands)
| September 30, 2016
| Parent |  | Guarantors |  | Non-Guarantor |  | Eliminations |  | Consolidated
Assets |  |  |  |  |  |  |  |  |
Current assets: |  |  |  |  |  |  |  |  |
Cash and cash equivalents | $ | 363,279 |  |  | $ | 996 |  |  | $ | 1 |  |  | $ | — |  |  | $ | 364,276 |
Accounts receivable - oil and gas | 133,159 |  |  | 16,283 |  |  | — |  |  | (21,654 | ) |  | 127,788 |
Accounts receivable - related parties | 96 |  |  | — |  |  | — |  |  | — |  |  | 96 |
Accounts receivable - intercompany | 384,280 |  |  | 5,970 |  |  | — |  |  | (390,250 | ) |  | — |
Prepaid expenses and other current assets | 10,270 |  |  | 470 |  |  | — |  |  | — |  |  | 10,740 |
Short-term derivative instruments | 39,363 |  |  | — |  |  | — |  |  | — |  |  | 39,363 |
Deferred tax asset | 38 |  |  | — |  |  | — |  |  | — |  |  | 38 |
Total current assets | 930,485 |  |  | 23,719 |  |  | 1 |  |  | (411,904 | ) |  | 542,301 |
Property and equipment: |  |  |  |  |  |  |  |  |
Oil and natural gas properties, full-cost accounting | 5,425,128 |  |  | 392,059 |  |  | — |  |  | (729 | ) |  | 5,816,458 |
Other property and equipment | 54,417 |  |  | 43 |  |  | — |  |  | — |  |  | 54,460 |
Accumulated depletion, depreciation, amortization and impairment | (3,613,630 | ) |  | (32 | ) |  | — |  |  | — |  |  | (3,613,662 | )
Property and equipment, net | 1,865,915 |  |  | 392,070 |  |  | — |  |  | (729 | ) |  | 2,257,256 |
Other assets: |  |  |  |  |  |  |  |  |
Equity investments | 241,342 |  |  | 26,540 |  |  | 48,596 |  |  | (65,169 | ) |  | 251,309 |
Long-term derivative instruments | 15,262 |  |  | — |  |  | — |  |  | — |  |  | 15,262 |
Deferred tax asset | 4,203 |  |  | — |  |  | — |  |  | — |  |  | 4,203 |
Other assets | 5,512 |  |  | — |  |  | — |  |  | — |  |  | 5,512 |
Total other assets | 266,319 |  |  | 26,540 |  |  | 48,596 |  |  | (65,169 | ) |  | 276,286 |
Total assets | $ | 3,062,719 |  |  | $ | 442,329 |  |  | $ | 48,597 |  |  | $ | (477,802 | ) |  | $ | 3,075,843 |
Liabilities and Stockholders' Equity |  |  |  |  |  |  |  |  |
Current liabilities: |  |  |  |  |  |  |  |  |
Accounts payable and accrued liabilities | $ | 291,217 |  |  | $ | 40,557 |  |  | $ | 1 |  |  | $ | (27,434 | ) |  | $ | 304,341 |
Accounts payable - intercompany | — |  |  | 384,346 |  |  | 125 |  |  | (384,471 | ) |  | — |
Asset retirement obligation - current | 75 |  |  | — |  |  | — |  |  | — |  |  | 75 |
Short-term derivative instruments | 37,220 |  |  | — |  |  | — |  |  | — |  |  | 37,220 |
Current maturities of long-term debt | 220 |  |  | — |  |  | — |  |  | — |  |  | 220 |
Total current liabilities | 328,732 |  |  | 424,903 |  |  | 126 |  |  | (411,905 | ) |  | 341,856 |
Long-term derivative instrument | 14,907 |  |  | — |  |  | — |  |  | — |  |  | 14,907 |
Asset retirement obligation - long-term | 32,910 |  |  | — |  |  | — |  |  | — |  |  | 32,910 |
Long-term debt | 961,050 |  |  | — |  |  | — |  |  | — |  |  | 961,050 |
Total liabilities | 1,337,599 |  |  | 424,903 |  |  | 126 |  |  | (411,905 | ) |  | 1,350,723 |
Stockholders' equity: |  |  |  |  |  |  |  |  |
Common stock | 1,253 |  |  | — |  |  | — |  |  | — |  |  | 1,253 |
Paid-in capital | 3,245,393 |  |  | 26,822 |  |  | 256,065 |  |  | (282,887 | ) |  | 3,245,393 |
Accumulated other comprehensive (loss) income | (50,816 | ) |  | — |  |  | (46,925 | ) |  | 46,925 |  |  | (50,816 | )
Retained (deficit) earnings | (1,470,710 | ) |  | (9,396 | ) |  | (160,669 | ) |  | 170,065 |  |  | (1,470,710 | )
Total stockholders' equity | 1,725,120 |  |  | 17,426 |  |  | 48,471 |  |  | (65,897 | ) |  | 1,725,120 |
Total liabilities and stockholders' equity | $ | 3,062,719 |  |  | $ | 442,329 |  |  | $ | 48,597 |  |  | $ | (477,802 | ) |  | $ | 3,075,843 |
CONDENSED CONSOLIDATING BALANCE SHEETS (Amounts in thousands)
| December 31, 2015
| Parent |  | Guarantors |  | Non-Guarantor |  | Eliminations |  | Consolidated
Assets |  |  |  |  |  |  |  |  |
Current assets: |  |  |  |  |  |  |  |  |
Cash and cash equivalents | $ | 112,494 |  |  | $ | 479 |  |  | $ | 1 |  |  | $ | — |  |  | $ | 112,974 |
Accounts receivable - oil and gas | 72,241 |  |  | 54 |  |  | — |  |  | (423 | ) |  | 71,872 |
Accounts receivable - related parties | 16 |  |  | — |  |  | — |  |  | — |  |  | 16 |
Accounts receivable - intercompany | 326,475 |  |  | 60 |  |  | — |  |  | (326,535 | ) |  | — |
Prepaid expenses and other current assets | 3,905 |  |  | — |  |  | — |  |  | — |  |  | 3,905 |
Short-term derivative instruments | 142,794 |  |  | — |  |  | — |  |  | — |  |  | 142,794 |
Total current assets | 657,925 |  |  | 593 |  |  | 1 |  |  | (326,958 | ) |  | 331,561 |
Property and equipment: |  |  |  |  |  |  |  |  |
Oil and natural gas properties, full-cost accounting, | 5,108,258 |  |  | 316,813 |  |  | — |  |  | (729 | ) |  | 5,424,342 |
Other property and equipment | 33,128 |  |  | 43 |  |  | — |  |  | — |  |  | 33,171 |
Accumulated depletion, depreciation, amortization and impairment | (2,829,081 | ) |  | (29 | ) |  | — |  |  | — |  |  | (2,829,110 | )
Property and equipment, net | 2,312,305 |  |  | 316,827 |  |  | — |  |  | (729 | ) |  | 2,628,403 |
Other assets: |  |  |  |  |  |  |  |  |
Equity investments | 231,892 |  |  | — |  |  | 50,644 |  |  | (40,143 | ) |  | 242,393 |
Long-term derivative instruments | 51,088 |  |  | — |  |  | — |  |  | — |  |  | 51,088 |
Deferred tax assets | 74,925 |  |  | — |  |  | — |  |  | — |  |  | 74,925 |
Other assets | 6,364 |  |  | — |  |  | — |  |  | — |  |  | 6,364 |
Total other assets | 364,269 |  |  | — |  |  | 50,644 |  |  | (40,143 | ) |  | 374,770 |
Total assets | $ | 3,334,499 |  |  | $ | 317,420 |  |  | $ | 50,645 |  |  | $ | (367,830 | ) |  | $ | 3,334,734 |
Liabilities and Stockholders' Equity |  |  |  |  |  |  |  |  |
Current liabilities: |  |  |  |  |  |  |  |  |
Accounts payable and accrued liabilities | $ | 264,893 |  |  | $ | 527 |  |  | $ | — |  |  | $ | (292 | ) |  | $ | 265,128 |
Accounts payable - intercompany | — |  |  | 326,541 |  |  | 124 |  |  | (326,665 | ) |  | — |
Asset retirement obligation - current | 75 |  |  | — |  | — |  | — |  |  | — |  |  | 75 |
Short-term derivative instruments | 437 |  |  | — |  |  | — |  |  | — |  |  | 437 |
Deferred tax liability | 50,697 |  |  | — |  |  | — |  |  | — |  |  | 50,697 |
Current maturities of long-term debt | 179 |  |  | — |  |  | — |  |  | — |  |  | 179 |
Total current liabilities | 316,281 |  |  | 327,068 |  |  | 124 |  |  | (326,957 | ) |  | 316,516 |
Long-term derivative instrument | 6,935 |  |  | — |  |  | — |  |  | — |  |  | 6,935 |
Asset retirement obligation - long-term | 26,362 |  |  | — |  |  | — |  |  | — |  |  | 26,362 |
Long-term debt, net of current maturities | 946,084 |  |  | — |  |  | — |  |  | — |  |  | 946,084 |
Total liabilities | 1,295,662 |  |  | 327,068 |  |  | 124 |  |  | (326,957 | ) |  | 1,295,897 |
Stockholders' equity: |  |  |  |  |  |  |  |  |
Common stock | 1,082 |  |  | — |  |  | — |  |  | — |  |  | 1,082 |
Paid-in capital | 2,824,303 |  |  | 322 |  |  | 241,553 |  |  | (241,875 | ) |  | 2,824,303 |
Accumulated other comprehensive (loss) income | (55,177 | ) |  | — |  |  | (55,177 | ) |  | 55,177 |  |  | (55,177 | )
Retained (deficit) earnings | (731,371 | ) |  | (9,970 | ) |  | (135,855 | ) |  | 145,825 |  |  | (731,371 | )
Total stockholders' equity | 2,038,837 |  |  | (9,648 | ) |  | 50,521 |  |  | (40,873 | ) |  | 2,038,837 |
Total liabilities and stockholders' equity | $ | 3,334,499 |  |  | $ | 317,420 |  |  | $ | 50,645 |  |  | $ | (367,830 | ) |  | $ | 3,334,734 |
Condensed Consolidating Statements of Operations | CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS (Amounts in thousands)
| Three months ended September 30, 2016
| Parent |  | Guarantors |  | Non-Guarantor |  | Eliminations |  | Consolidated
Total revenues | $ | 193,222 |  |  | $ | 464 |  |  | $ | — |  |  | $ | — |  |  | $ | 193,686 |
Costs and expenses: |  |  |  |  |  |  |  |  |
Lease operating expenses | 17,283 |  |  | 188 |  |  | — |  |  | — |  |  | 17,471 |
Production taxes | 3,495 |  |  | 30 |  |  | — |  |  | — |  |  | 3,525 |
Midstream gathering and processing | 45,385 |  |  | 90 |  |  | — |  |  | — |  |  | 45,475 |
Depreciation, depletion, and amortization | 62,284 |  |  | 1 |  |  | — |  |  | — |  |  | 62,285 |
Impairment of oil and gas properties | 212,194 |  |  | — |  |  | — |  |  | — |  |  | 212,194 |
General and administrative | 10,772 |  |  | (305 | ) |  | — |  |  | — |  |  | 10,467 |
Accretion expense | 269 |  |  | — |  |  | — |  |  | — |  |  | 269 |
| 351,682 |  |  | 4 |  |  | — |  |  | — |  |  | 351,686 |
(LOSS) INCOME FROM OPERATIONS | (158,460 | ) |  | 460 |  |  | — |  |  | — |  |  | (158,000 | )
OTHER (INCOME) EXPENSE: |  |  |  |  |  |  |  |  |
Interest expense | 12,787 |  |  | — |  |  | — |  |  | — |  |  | 12,787 |
Interest income | (337 | ) |  | — |  |  | — |  |  | — |  |  | (337 | )
Insurance proceeds | (3,750 | ) |  | — |  |  | — |  |  | — |  |  | (3,750 | )
(Income) loss from equity method investments and investments in subsidiaries | (6,457 | ) |  | (99 | ) |  | 364 |  |  | 195 |  |  | (5,997 | )
| 2,243 |  |  | (99 | ) |  | 364 |  |  | 195 |  |  | 2,703 |
(LOSS) INCOME BEFORE INCOME TAXES | (160,703 | ) |  | 559 |  |  | (364 | ) |  | (195 | ) |  | (160,703 | )
INCOME TAX BENEFIT | (3,407 | ) |  | — |  |  | — |  |  | — |  |  | (3,407 | )
NET (LOSS) INCOME | $ | (157,296 | ) |  | $ | 559 |  |  | $ | (364 | ) |  | $ | (195 | ) |  | $ | (157,296 | )
CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS (Amounts in thousands)
| Three months ended September 30, 2015
| Parent |  | Guarantors |  | Non-Guarantor |  | Eliminations |  | Consolidated
Total revenues | $ | 230,282 |  |  | $ | 287 |  |  | $ | — |  |  | $ | — |  |  | $ | 230,569 |
Costs and expenses: |  |  |  |  |  |  |  |  |
Lease operating expenses | 17,358 |  |  | 210 |  |  | — |  |  | — |  |  | 17,568 |
Production taxes | 3,570 |  |  | 23 |  |  | — |  |  | — |  |  | 3,593 |
Midstream gathering and processing | 42,139 |  |  | 27 |  |  | — |  |  | — |  |  | 42,166 |
Depreciation, depletion, and amortization | 90,327 |  |  | 2 |  |  | — |  |  | — |  |  | 90,329 |
Impairment of oil and gas properties | 594,776 |  |  | — |  |  | — |  |  | — |  |  | 594,776 |
General and administrative | 10,999 |  |  | 6 |  |  | (4 | ) |  | — |  |  | 11,001 |
Accretion expense | 212 |  |  | — |  |  | — |  |  | — |  |  | 212 |
| 759,381 |  |  | 268 |  |  | (4 | ) |  | — |  |  | 759,645 |
(LOSS) INCOME FROM OPERATIONS | (529,099 | ) |  | 19 |  |  | 4 |  |  | — |  |  | (529,076 | )
OTHER (INCOME) EXPENSE: |  |  |  |  |  |  |  |  |
Interest expense | 14,124 |  |  | — |  |  | — |  |  | — |  |  | 14,124 |
Interest income | (279 | ) |  | — |  |  | — |  |  | — |  |  | (279 | )
Loss (income) from equity method investments and investments in subsidiaries | 61,868 |  |  | — |  |  | 58,653 |  |  | (58,630 | ) |  | 61,891 |
| 75,713 |  |  | — |  |  | 58,653 |  |  | (58,630 | ) |  | 75,736 |
(LOSS) INCOME BEFORE INCOME TAXES | (604,812 | ) |  | 19 |  |  | (58,649 | ) |  | 58,630 |  |  | (604,812 | )
INCOME TAX BENEFIT | (216,603 | ) |  | — |  |  | — |  |  | — |  |  | (216,603 | )
NET (LOSS) INCOME | $ | (388,209 | ) |  | $ | 19 |  |  | $ | (58,649 | ) |  | $ | 58,630 |  |  | $ | (388,209 | )
CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS (Amounts in thousands)
| Nine months ended September 30, 2016
| Parent |  | Guarantors |  | Non-Guarantor |  | Eliminations |  | Consolidated
Total revenues | $ | 321,399 |  |  | $ | 1,098 |  |  | $ | — |  |  | $ | — |  |  | $ | 322,497 |
Costs and expenses: |  |  |  |  |  |  |  |  |
Lease operating expenses | 48,246 |  |  | 543 |  |  | — |  |  | — |  |  | 48,789 |
Production taxes | 9,410 |  |  | 82 |  |  | — |  |  | — |  |  | 9,492 |
Midstream gathering and processing | 122,250 |  |  | 226 |  |  | — |  |  | — |  |  | 122,476 |
Depreciation, depletion, and amortization | 183,411 |  |  | 3 |  |  |  |  |  |  |  |  | 183,414 |
Impairment of oil and gas properties | 601,806 |  |  | — |  |  | — |  |  | — |  |  | 601,806 |
General and administrative | 33,230 |  |  | (291 | ) |  | 2 |  |  | — |  |  | 32,941 |
Accretion expense | 777 |  |  | — |  |  | — |  |  | — |  |  | 777 |
| 999,130 |  |  | 563 |  |  | 2 |  |  | — |  |  | 999,695 |
(LOSS) INCOME FROM OPERATIONS | (677,731 | ) |  | 535 |  |  | (2 | ) |  | — |  |  | (677,198 | )
OTHER (INCOME) EXPENSE: |  |  |  |  |  |  |  |  |
Interest expense | 44,891 |  |  | 1 |  |  | — |  |  | — |  |  | 44,892 |
Interest income | (822 | ) |  | — |  |  | — |  |  | — |  |  | (822 | )
Insurance proceeds | (3,750 | ) |  | — |  |  | — |  |  | — |  |  | (3,750 | )
Loss (income) from equity method investments and investments in subsidiaries | 25,044 |  |  | (40 | ) |  | 24,812 |  |  | (24,240 | ) |  | 25,576 |
| 65,363 |  |  | (39 | ) |  | 24,812 |  |  | (24,240 | ) |  | 65,896 |
(LOSS) INCOME BEFORE INCOME TAXES | (743,094 | ) |  | 574 |  |  | (24,814 | ) |  | 24,240 |  |  | (743,094 | )
INCOME TAX BENEFIT | (3,755 | ) |  | — |  |  | — |  |  | — |  |  | (3,755 | )
NET (LOSS) INCOME | $ | (739,339 | ) |  | $ | 574 |  |  | $ | (24,814 | ) |  | $ | 24,240 |  |  | $ | (739,339 | )
CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS (Amounts in thousands)
| Nine months ended September 30, 2015
| Parent |  | Guarantors |  | Non-Guarantor |  | Eliminations |  | Consolidated
Total revenues | $ | 518,141 |  |  | $ | 1,015 |  |  | $ | — |  |  | $ | — |  |  | $ | 519,156 |
Costs and expenses: |  |  |  |  |  |  |  |  |
Lease operating expenses | 50,830 |  |  | 581 |  |  | — |  |  | — |  |  | 51,411 |
Production taxes | 11,083 |  |  | 80 |  |  | — |  |  | — |  |  | 11,163 |
Midstream gathering and processing | 100,405 |  |  | 46 |  |  | — |  |  | — |  |  | 100,451 |
Depreciation, depletion, and amortization | 251,389 |  |  | 4 |  |  | — |  |  | — |  |  | 251,393 |
Impairment of oil and gas properties | 594,776 |  |  | — |  |  | — |  |  | — |  |  | 594,776 |
General and administrative | 31,248 |  |  | 47 |  |  | 20 |  |  | — |  |  | 31,315 |
Accretion expense | 594 |  |  | — |  |  | — |  |  | — |  |  | 594 |
| 1,040,325 |  |  | 758 |  |  | 20 |  |  | — |  |  | 1,041,103 |
(LOSS) INCOME FROM OPERATIONS | (522,184 | ) |  | 257 |  |  | (20 | ) |  | — |  |  | (521,947 | )
OTHER (INCOME) EXPENSE: |  |  |  |  |  |  |  |  |
Interest expense | 34,906 |  |  | — |  |  | — |  |  | — |  |  | 34,906 |
Interest income | (536 | ) |  | — |  |  | — |  |  | — |  |  | (536 | )
Loss (income) from equity method investments and investments in subsidiaries | 56,799 |  |  | — |  |  | 71,289 |  |  | (71,052 | ) |  | 57,036 |
| 91,169 |  |  | — |  |  | 71,289 |  |  | (71,052 | ) |  | 91,406 |
(LOSS) INCOME BEFORE INCOME TAXES | (613,353 | ) |  | 257 |  |  | (71,309 | ) |  | 71,052 |  |  | (613,353 | )
INCOME TAX BENEFIT | (219,338 | ) |  | — |  |  | — |  |  | — |  |  | (219,338 | )
NET (LOSS) INCOME | $ | (394,015 | ) |  | $ | 257 |  |  | $ | (71,309 | ) |  | $ | 71,052 |  |  | $ | (394,015 | )
Condensed Consolidating Statements of Comprehensive Income (Loss) | CONDENSED CONSOLIDATING STATEMENTS OF COMPREHENSIVE (LOSS) INCOME (Amounts in thousands)
| Three months ended September 30, 2016
| Parent |  | Guarantors |  | Non-Guarantor |  | Eliminations |  | Consolidated
Net (loss) income | $ | (157,296 | ) |  | $ | 559 |  |  | $ | (364 | ) |  | $ | (195 | ) |  | $ | (157,296 | )
Foreign currency translation adjustment, net of taxes | (4,013 | ) |  | — |  |  | (1,417 | ) |  | 1,417 |  |  | (4,013 | )
Other comprehensive (loss) income | (4,013 | ) |  | — |  |  | (1,417 | ) |  | 1,417 |  |  | (4,013 | )
Comprehensive (loss) income | $ | (161,309 | ) |  | $ | 559 |  |  | $ | (1,781 | ) |  | $ | 1,222 |  |  | $ | (161,309 | )
| Three months ended September 30, 2015
| Parent |  | Guarantors |  | Non-Guarantor |  | Eliminations |  | Consolidated
Net (loss) income | $ | (388,209 | ) |  | $ | 19 |  |  | $ | (58,649 | ) |  | $ | 58,630 |  |  | $ | (388,209 | )
Foreign currency translation adjustment | (11,538 | ) |  | — |  |  | (11,538 | ) |  | 11,538 |  |  | (11,538 | )
Other comprehensive (loss) income | (11,538 | ) |  | — |  |  | (11,538 | ) |  | 11,538 |  |  | (11,538 | )
Comprehensive (loss) income | $ | (399,747 | ) |  | $ | 19 |  |  | $ | (70,187 | ) |  | $ | 70,168 |  |  | $ | (399,747 | )
| Nine months ended September 30, 2016
| Parent |  | Guarantors |  | Non-Guarantor |  | Eliminations |  | Consolidated
Net (loss) income | $ | (739,339 | ) |  | $ | 574 |  |  | $ | (24,814 | ) |  | $ | 24,240 |  |  | $ | (739,339 | )
Foreign currency translation adjustment, net of taxes | 4,361 |  |  | — |  |  | 8,252 |  |  | (8,252 | ) |  | 4,361 |
Other comprehensive income (loss) | 4,361 |  |  | — |  |  | 8,252 |  |  | (8,252 | ) |  | 4,361 |
Comprehensive (loss) income | $ | (734,978 | ) |  | $ | 574 |  |  | $ | (16,562 | ) |  | $ | 15,988 |  |  | $ | (734,978 | )
| Nine months ended September 30, 2015
| Parent |  | Guarantors |  | Non-Guarantor |  | Eliminations |  | Consolidated
Net (loss) income | $ | (394,015 | ) |  | $ | 257 |  |  | $ | (71,309 | ) |  | $ | 71,052 |  |  | $ | (394,015 | )
Foreign currency translation adjustment | (23,275 | ) |  | — |  |  | (23,275 | ) |  | 23,275 |  |  | (23,275 | )
Other comprehensive (loss) income | (23,275 | ) |  | — |  |  | (23,275 | ) |  | 23,275 |  |  | (23,275 | )
Comprehensive (loss) income | $ | (417,290 | ) |  | $ | 257 |  |  | $ | (94,584 | ) |  | $ | 94,327 |  |  | $ | (417,290 | )
Condensed Consolidating Statements of Cash Flows | CONDENSED CONSOLIDATING STATEMENTS OF CASH FLOWS (Amounts in thousands)
| Nine months ended September 30, 2016
| Parent |  | Guarantors |  | Non-Guarantor |  | Eliminations |  | Consolidated
Net cash provided by (used in) operating activities | $ | 244,758 |  |  | $ | 517 |  |  | $ | 3,998 |  |  | $ | (3,998 | ) |  | $ | 245,275 |
Net cash (used in) provided by investing activities | (420,257 | ) |  | (26,500 | ) |  | (18,510 | ) |  | 45,010 |  |  | (420,257 | )
Net cash provided by (used in) financing activities | 426,284 |  |  | 26,500 |  |  | 14,512 |  |  | (41,012 | ) |  | 426,284 |
Net increase in cash and cash equivalents | 250,785 |  |  | 517 |  |  | — |  |  | — |  |  | 251,302 |
Cash and cash equivalents at beginning of period | 112,494 |  |  | 479 |  |  | 1 |  |  | — |  |  | 112,974 |
Cash and cash equivalents at end of period | $ | 363,279 |  |  | $ | 996 |  |  | $ | 1 |  |  | $ | — |  |  | $ | 364,276 |
| Nine months ended September 30, 2015
| Parent |  | Guarantors |  | Non-Guarantor |  | Eliminations |  | Consolidated
Net cash provided by (used in) operating activities | $ | 247,447 |  |  | $ | (12,356 | ) |  | $ | — |  |  | $ | — |  |  | $ | 235,091 |
Net cash (used in) provided by investing activities | (1,385,878 | ) |  | 13,501 |  |  | (13,837 | ) |  | 13,837 |  |  | (1,372,377 | )
Net cash provided by (used in) financing activities | 1,223,057 |  |  | — |  |  | 13,837 |  |  | (13,837 | ) |  | 1,223,057 |
Net increase in cash and cash equivalents | 84,626 |  |  | 1,145 |  |  | — |  |  | — |  |  | 85,771 |
Cash and cash equivalents at beginning of period | 141,535 |  |  | 804 |  |  | 1 |  |  | — |  |  | 142,340 |
Cash and cash equivalents at end of period | $ | 226,161 |  |  | $ | 1,949 |  |  | $ | 1 |  |  | $ | — |  |  | $ | 228,111 |

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