CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
CURRENT ASSETS
Cash and cash equivalents	$ 28,310	$ 343,084
Restricted cash	1,607	1,139
Accounts receivable:
Joint interest owners and other	24,755	14,998
Oil and gas	26,195	21,219
Related parties	1,247	390
Short-term derivative instruments, net	72,081	83,262
Other current assets	18,346	24,234
Total current assets	172,541	488,326
PROPERTY, PLANT AND EQUIPMENT
Oil and natural gas properties, successful efforts method	2,566,038	2,246,161
Accumulated depreciation, depletion and impairment	(338,199)	(290,186)
Total oil and natural gas properties, net	2,227,839	1,955,975
Other property, plant and equipment, net	31,413	29,778
Total property, plant, and equipment, net	2,259,252	1,985,753
NONCURRENT ASSETS
Long-term derivative instruments, net	20,119	25,839
Other noncurrent assets	4,622	5,182
Total noncurrent assets	24,741	31,021
TOTAL ASSETS	2,456,534	2,505,100
CURRENT LIABILITIES
Accounts payable and accrued expenses	142,856	151,221
Revenue and severance taxes payable	35,584	37,109
Current portion of long-term debt	997	951
Short-term derivative instruments, net	30,610	34,518
Current portion of asset retirement obligations	4,986	4,698
Total current liabilities	215,033	228,497
NONCURRENT LIABILITIES
Long-term debt	546,817	546,832
Asset retirement obligations	14,079	13,522
Deferred tax liability	53,335	62,962
Payable pursuant to tax receivable agreement	51,504	51,504
Long-term derivative instruments, net	11,981	15,142
Total noncurrent liabilities	$ 677,716	$ 689,962
COMMITMENTS AND CONTINGENCIES
STOCKHOLDERS' EQUITY
Preferred stock, $0.01 par value, 50,000,000 shares authorized, none issued and outstanding
Additional paid in capital	$ 1,254,809	$ 1,252,020
(Accumulated deficit) retained earnings	(8,427)	10,868
Treasury stock, at cost, 106,655 shares and 105,421 at March 31, 2016 and December 31, 2015	(96)	(77)
Total stockholders' equity	1,247,967	1,264,492
Noncontrolling interest	315,818	322,149
Total equity	1,563,785	1,586,641
TOTAL LIABILITIES AND EQUITY	2,456,534	2,505,100
Common Stock, Class A
STOCKHOLDERS' EQUITY
Common stock	1,360	1,360
Common Stock, Class B
STOCKHOLDERS' EQUITY
Common stock	$ 321	$ 321