Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Current assets:
Cash	$ 109,099	$ 850
Cash and Cash Equivalents, at Carrying Value	109,099	850
Accounts receivable, net	107,350	104,274
Fair value of derivatives	98,839	221,659
Prepaid expenses and other current assets	3,847	5,266
Total current assets	319,135	332,049
Properties and equipment, net	1,930,595	1,940,552
Fair value of derivatives	12,745	44,387
Other assets	9,195	53,555
Total Assets	2,271,670	2,370,543
Current liabilities:
Accounts payable	64,234	92,613
Production tax liability	19,261	26,524
Fair value of derivatives	22,824	1,595
Funds held for distribution	49,965	29,894
Current portion of long-term debt	0	112,940
Accrued interest payable	8,557	9,057
Other accrued expenses	22,358	28,709
Total current liabilities	187,199	301,332
Long-term debt	492,997	529,437
Deferred income taxes	41,133	143,452
Asset retirement obligation	81,583	84,032
Fair value of derivatives	26,830	695
Other liabilities	17,363	24,398
Total liabilities	847,105	1,083,346
Commitments and contingent liabilities
Shareholders' Equity:
Preferred shares - par value $0.01 per share, 50,000,000 shares authorized,none issued	0	0
Common shares - par value $0.01 per share, 150,000,000 authorized, 46,210,022 and 40,174,776 issued as of March 31, 2016 and December 31, 2015, respectively	472	402
Additional paid-in capital	1,211,876	907,382
Retained earnings	213,442	380,422
Treasury shares - at cost, 20,836 and 20,220 as of March 31, 2016 and December 31, 2015, respectively	(1,225)	(1,009)
Total shareholders' equity	1,424,565	1,287,197
Total Liabilities and Shareholders' Equity	$ 2,271,670	$ 2,370,543