Annual report pursuant to Section 13 and 15(d)

Note 12 - Income Taxes - Significant Components of Deferred Tax Assets and Liabilities (Details)

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Note 12 - Income Taxes - Significant Components of Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Deferred tax liabilities:    
Property and equipment $ 37,535 $ 21,647
Derivatives 0 0
Investment in non-consolidated entity 8,070 14,716
Other 2,588 2,283
Total deferred tax liabilities 48,193 38,646
Deferred tax assets:    
Property and equipment 0 0
Derivatives 3,416 1,409
Asset retirement obligations 84,332 76,924
Federal net operating losses 47,307 15,265
State net operating losses 8,136 7,393
Interest expense limitation carryover 16,304 48,458
Share-based compensation 419 965
Valuation allowance (22,361) (54,436)
Other 4,843 6,584
Total deferred tax assets 142,396 102,562
Net deferred tax assets $ 94,203 $ 63,916