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CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Current assets: |  |
Cash and cash equivalents | $ 128,578 | $ 36,861
Accounts receivable, net | 321,855 | 111,821
Accounts receivable – affiliates | 20,341 | 0
Derivative assets – current | 0 | 30,926
Drilling advances | 200 | 38,892
Prepaid and other current assets | 8,644 | 1,948
Total current assets | 479,618 | 220,448
Oil and natural gas properties at cost, successful efforts method |  |
Proved | 6,043,602 | 4,910,059
Unproved | 308,721 | 288,459
Oil and natural gas properties at cost, successful efforts method | 6,352,323 | 5,198,518
Field and other property and equipment, at cost | 144,318 | 138,371
Total property, plant and equipment | 6,496,641 | 5,336,889
Less: accumulated depreciation, depletion, amortization and impairment | (1,941,528) | (1,694,742)
Property, plant and equipment, net | 4,555,113 | 3,642,147
Goodwill | 76,564 | 0
Derivative assets – noncurrent | 579 | 22,352
Equity method investments | 15,415 | 0
Other assets | 30,173 | 22,422
TOTAL ASSETS | 5,157,462 | 3,907,369
Current liabilities: |  |
Accounts payable and accrued liabilities | 337,881 | 80,688
Accounts payable – affiliates | 8,675 | 9,019
Derivative liabilities – current | 253,525 | 26,392
Financing lease obligations – current | 1,606 | 0
Other current liabilities | 14,438 | 4,572
Total current liabilities | 616,125 | 120,671
Long-term debt | 1,030,406 | 751,075
Derivative liabilities – noncurrent | 133,471 | 23,958
Asset retirement obligations | 258,102 | 106,403
Deferred tax liability | 82,537 | 0
Financing lease obligations – noncurrent | 3,512 | 0
Other liabilities | 13,652 | 12,102
Total liabilities | 2,137,805 | 1,014,209
Commitments and contingencies (Note 12) |  |
Redeemable noncontrolling interests | 2,325,013 | 0
Equity: |  |
Members’ equity – Class A units, no units and 1,220,421 units outstanding as of December 31, 2021 and 2020, respectively |  | 2,716,892
Preferred stock, $0.0001 par value; 500,000,000 shares authorized and 1,000 Series I preferred shares issued and outstanding as of December 31, 2021; no shares issued and outstanding as of December 31, 2020 | 0 |
Treasury stock, at cost; 1,150,991 shares of Class A common stock as of December 31, 2021 and no shares of Class A Common Stock as of December 31, 2020 | (18,448) |
Additional paid-in capital | 720,016 |
Accumulated deficit | (19,376) |
Noncontrolling interests | 12,435 |
Noncontrolling interests |  | 176,268
Total equity | 694,644 |
Total equity |  | 2,893,160
TOTAL LIABILITIES, REDEEMABLE NONCONTROLLING INTERESTS AND EQUITY | 5,157,462 | $ 3,907,369
Class A |  |
Equity: |  |
Common stock | 4 |
Class B |  |
Equity: |  |
Common stock | $ 13 |

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