Fair Value Measurements - Schedule of Fair Value of Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Derivative assets
Derivative assets - current	$ 10,340	$ 30,819
Derivative assets - non-current	33,105	58,314
Total derivative assets	43,445	89,133
Derivative liabilities
Derivative liabilities - current	(4,016)	0
Derivative liabilities - non-current	(1,300)	(696)
Net Recognized Fair Value	(5,316)	(696)
Total derivative assets, net	38,129	88,437
Level 1
Derivative assets
Total derivative assets	0	0
Derivative liabilities
Derivative liabilities - non-current		0
Net Recognized Fair Value	0
Level 2
Derivative assets
Total derivative assets	43,445	89,133
Derivative liabilities
Derivative liabilities - non-current		0
Net Recognized Fair Value	(4,900)
Level 3
Derivative assets
Total derivative assets	0	0
Derivative liabilities
Derivative liabilities - non-current		(696)
Net Recognized Fair Value	(416)
Commodity Derivative
Derivative assets
Derivative assets - current	10,340	30,819
Derivative assets - non-current	33,105	58,314
Derivative liabilities
Derivative liabilities - current	(3,842)
Derivative liabilities - non-current	(392)
Commodity Derivative \| Level 1
Derivative assets
Derivative assets - current	0	0
Derivative assets - non-current	0	0
Derivative liabilities
Derivative liabilities - current	0
Derivative liabilities - non-current	0
Commodity Derivative \| Level 2
Derivative assets
Derivative assets - current	10,340	30,819
Derivative assets - non-current	33,105	58,314
Derivative liabilities
Derivative liabilities - current	(3,842)
Derivative liabilities - non-current	(392)
Commodity Derivative \| Level 3
Derivative assets
Derivative assets - current	0	0
Derivative assets - non-current	0	0
Derivative liabilities
Derivative liabilities - current	0
Derivative liabilities - non-current	0
Interest rate swaps
Derivative liabilities
Derivative liabilities - current	(174)
Derivative liabilities - non-current	(492)
Interest rate swaps \| Level 1
Derivative liabilities
Derivative liabilities - current	0
Derivative liabilities - non-current	0
Interest rate swaps \| Level 2
Derivative liabilities
Derivative liabilities - current	(174)
Derivative liabilities - non-current	(492)
Interest rate swaps \| Level 3
Derivative liabilities
Derivative liabilities - current	0
Derivative liabilities - non-current	0
Series B Preferred Stock Bifurcated Derivative
Derivative liabilities
Derivative liabilities - non-current	(416)	(696)
Series B Preferred Stock Bifurcated Derivative \| Level 1
Derivative liabilities
Derivative liabilities - non-current	0	0
Series B Preferred Stock Bifurcated Derivative \| Level 2
Derivative liabilities
Derivative liabilities - non-current	0	0
Series B Preferred Stock Bifurcated Derivative \| Level 3
Derivative liabilities
Derivative liabilities - non-current	$ (416)	$ (696)

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