Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 59,067	$ 2,623
Accounts receivable, net	256,837	244,251
Fair value of derivatives	8,032	48,869
Prepaid expenses and other current assets	11,323	12,505
Total current assets	335,259	308,248
Properties and equipment, net	4,832,798	4,859,199
Fair value of derivatives	15,587	9,565
Other assets	57,013	60,961
Total Assets	5,240,657	5,237,973
Current liabilities:
Accounts payable	120,647	90,635
Production tax liability	126,144	124,475
Fair value of derivatives	197,967	98,152
Funds held for distribution	209,448	177,132
Accrued interest payable	20,975	14,734
Other accrued expenses	72,935	81,715
Current portion of long-term debt	195,451	193,014
Total current liabilities	943,567	779,857
Long-term debt	1,242,108	1,409,548
Asset retirement obligations	125,193	132,637
Fair value of derivatives	52,335	36,359
Other Liabilities, Noncurrent	290,386	264,034
Total liabilities	2,653,589	2,622,435
Stockholders' Equity:
Common shares - par value $0.01 per share, 150,000,000 authorized, 99,367,276 and 99,758,720 issued as of March 31, 2021 and December 31, 2020, respectively	994	998
Additional paid-in capital	3,369,272	3,387,754
Accumulated deficit	(781,301)	(772,265)
Treasury shares - at cost, 51,094 and 37,510 as of March 31, 2021 and December 31, 2020, respectively	(1,897)	(949)
Total stockholders' equity	2,587,068	2,615,538
Total Liabilities and Stockholders' Equity	$ 5,240,657	$ 5,237,973
Common stock, shares authorized	150,000,000	150,000,000