Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 136,429	$ 244,100
Accounts receivable, net	167,276	143,392
Fair value of derivatives	22,916	8,791
Prepaid expenses and other current assets	8,081	3,542
Total current assets	334,702	399,825
Properties and equipment, net	3,882,700	4,002,994
Assets held-for-sale, net	41,484	5,272
Fair value of derivatives	4,605	2,386
Goodwill	0	62,041
Other assets	43,796	13,324
Total Assets	4,307,287	4,485,842
Current liabilities:
Accounts payable	164,080	66,322
Production tax liability	36,954	24,767
Fair value of derivatives	25,987	53,595
Funds held for distribution	94,387	71,339
Accrued interest payable	18,929	15,930
Other accrued expenses	33,451	38,625
Total current liabilities	373,788	270,578
Long-term debt	1,051,571	1,043,954
Deferred income tax	326,472	400,867
Asset retirement obligation	78,188	82,612
Fair value of derivatives	7,261	27,595
Other liabilities	43,405	37,482
Total liabilities	1,880,685	1,863,088
Commitments and contingent liabilities
Stockholders' Equity:
Common shares - par value $0.01 per share, 150,000,000 authorized, 65,797,748 and 65,704,568 issued as of March 31, 2017 and December 31, 2016, respectively	659	657
Additional paid-in capital	2,500,532	2,489,557
Retained earnings	(70,933)	134,208
Treasury shares - at cost, 34,433 and 28,763 as of March 31, 2017 and December 31, 2016, respectively	(3,656)	(1,668)
Total stockholders' equity	2,426,602	2,622,754
Total Liabilities and Stockholders' Equity	$ 4,307,287	$ 4,485,842