Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
CURRENT ASSETS
Cash and cash equivalents	$ 254,743	$ 109,509
Accounts receivable	47,026	8,678
Other current assets	4,489	594
Deferred tax asset	1,543
Total current assets	307,801	118,781
Oil and natural gas properties, successful efforts method:
Unproved properties	1,169,813	926,812
Proved oil and gas properties, net	397,154	88,932
Other property and equipment, net	7,129	2,340
Total property and equipment, net	1,574,096	1,018,084
OTHER NONCURRENT ASSETS
Debt issue costs, net of $2.1 million and $0.8 million of amortization, respectively	6,488	6,570
Other assets	300	88
Total other noncurrent assets	6,788	6,658
TOTAL ASSETS	1,888,685	1,143,523
CURRENT LIABILITIES
Accounts payable	130,319	29,368
Accrued capital expenditures	39,350	19,200
Accrued liabilities	12,487	4,940
Accrued interest payable	10,576	20,294
Accrued liabilities-related party		1,951
Total current liabilities	192,732	75,753
NONCURRENT LIABILITIES
Debt, net of unamortized discount of $9.0 million and $10.8 million, respectively	413,419	389,247
Credit facility
Pension liabilities	715	1,497
Asset retirement obligations	10,050	9,055
Deferred taxes	85,833
Total noncurrent liabilities	510,017	399,799
COMMITMENTS AND CONTINGENCIES
STOCKHOLDERS' EQUITY AND PARTNERS' CAPITAL
Partners' capital		666,803
Preferred stock, 50,000 shares authorized, No shares issued and outstanding at September 30, 2014 and December 31, 2013
Common stock, $0.01 par value, 1,000,000 authorized, 160,000 issued and outstanding at September 30, 2014. No shares authorized, issued, or outstanding at December 31, 2013	1,600
Additional paid in capital	1,390,848
Accumulated deficit	(206,322)
Accumulated other comprehensive income (loss)	(190)	1,168
Total stockholders' equity and partners' capital	1,185,936	667,971
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY AND PARTNERS' CAPITAL	$ 1,888,685	$ 1,143,523