Annual report pursuant to Section 13 and 15(d)

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

v3.10.0.1
Income Taxes - Significant Components of Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Deferred tax liabilities:    
Derivatives $ 11,139  
Investment in non-consolidated entity 6,875  
Other 812 $ 695
Total deferred tax liabilities 18,826 695
Deferred tax assets:    
Property and equipment 3,934 18,234
Asset retirement obligations 65,811 63,755
Federal net operating losses 10,039 18,988
State net operating losses 7,133 7,126
Interest expense carryover 41,814  
Exchange transaction   55,807
Share-based compensation 583 1,335
Valuation allowance (117,764) (171,547)
Other 7,091 6,805
Total deferred tax assets 18,641 503
Net deferred tax liabilities $ (185) $ (192)