BUSINESS COMBINATIONS BUSINESS COMBINATIONS (Tables)

12 Months Ended

Dec. 31, 2016

Business Combinations Abstract [Abstract]

Business Combination, Segment Allocation [Table Text Block]

	Year Ended December 31, 2016
Acquisition costs:
Cash, net of cash acquired	$	905,962
Retirement of seller's debt	40,000
Total cash consideration	945,962
Common stock	690,702
Other purchase price adjustments	426
Total acquisition costs	$	1,637,090
Recognized amounts of identifiable assets acquired and liabilities assumed:
Assets acquired:
Current Assets	$	6,401
Crude oil and natural gas properties - proved	216,000
Crude oil and natural gas properties - unproved	1,697,000
Infrastructure, pipeline, and other	33,153
Construction in progress	12,323
Goodwill	75,121
Total assets acquired	2,039,998
Liabilities assumed:
Current liabilities	(24,496		)
Asset retirement obligations	(3,705		)
Deferred tax liabilities, net	(374,707		)
Total liabilities assumed	(402,908		)
Total identifiable net assets acquired	$	1,637,090

Business Acquisition, Pro Forma Information [Table Text Block]

Pro Forma Information. The results of operations for the Delaware Basin acquisition have been included in our consolidated financial statements since the December 6, 2016 closing date, including approximately $5.6 million of total revenue and $1.7 million of loss from operations in our statements of operations for the year ended December 31, 2016. The following unaudited pro forma financial information represents a summary of the consolidated results of operations for the years ended December 31, 2016 and December 31, 2015, assuming the acquisition had been completed as of January 1, 2015. This pro forma financial information includes proceeds from the sale of 9,085,000 shares of our common stock, the 2021 Convertible Notes, and the 2024 Senior Notes in September 2016, the shares issued to the sellers, and other acquisition costs. The pro forma financial information is not necessarily indicative of the results of operations that would have been achieved if the acquisition had been effective as of these dates, or of future results.

	Years Ended December 31,
	2016			2015
	(in thousands, except per share amounts)
Total revenue	412,746			$	598,932
Net loss	$	(270,942	)	$	(138,904	)
Earnings per share:
Basic and diluted	$	(4.22	)	$	(2.41	)