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Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | --- | ---
Deferred tax assets: |  |  |
Net operating loss carryforward | $ 269,851 | $ 164,363 | $ 120,626
Oil and gas property basis difference | 289,850 | 3,595 | 151,260
Investment in pass through entities | 58,951 | 8,620 | 12,343
Stock-based compensation expense | 1,440 | 616 | 813
Business energy investment tax credit | 370 | 369 | 369
Charitable contributions carryover | 297 | 269 | 255
Change in fair value of derivative instruments | 11,219 | 2,761 | 0
Foreign tax credit carryforwards | 943 | 2,009 | 2,074
Accrued liabilities | 669 | 834 | 285
ARO liability | 12,744 | 16,923 | 15,897
Non-oil and gas property basis difference | 0 | 104 | 171
Lease liability | 12,128 | 0 | 0
State net operating loss carryover | 13,258 | 11,526 | 6,954
Interest expense carryforward | 23,818 | 0 | 0
Total deferred tax assets | 695,538 | 211,989 | 311,047
Valuation allowance for deferred tax assets | (647,575) | (211,987) | (298,830)
Deferred tax assets, net of valuation allowance | 47,963 | 2 | 12,217
Deferred tax liabilities: |  |  |
Non-oil and gas property basis difference | 1,859 | 0 | 0
Change in fair value of derivative instruments | 26,410 | 2 | 11,009
Right of use asset | 12,128 | 0 | 0
Other | 3 | 0 | 0
Total deferred tax liabilities | 40,400 | 2 | 11,009
Net deferred tax asset | $ 7,563 | $ 0 | $ 1,208

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