CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Current assets
Cash and cash equivalents	$ 13,020	$ 7,798
Accounts receivable, net of allowance for credit losses	42,562	70,716
Derivative assets	78,793	4,131
Income taxes receivable	0	1,236
Prepaid and other current assets	19,045	4,458
Total current assets	153,420	88,339
Property and equipment, net (full cost method)	723,549	1,120,425
Derivative assets	25,449	2,750
Other assets	4,908	6,724
Total assets	907,326	1,218,238
Current liabilities
Accounts payable and accrued liabilities	62,768	105,824
Derivative liabilities	85,427	23,450
Total current liabilities	148,195	129,274
Other liabilities	8,362	8,382
Deferred income taxes	0	1,424
Derivative liabilities	28,434	3,385
Long-term debt, net	509,497	555,028
Commitments and contingencies (Note 14)
Shareholders’ equity:
Preferred stock of $0.01 par value – 5,000,000 shares authorized; none issued	0	0
Common stock of $0.01 par value – 45,000,000 shares authorized; 15,200,435 and 15,135,598 shares issued as of December 31, 2020 and 2019, respectively	152	151
Paid-in capital	203,463	200,666
Retained earnings	9,354	319,987
Accumulated other comprehensive loss	(131)	(59)
Total shareholders’ equity	212,838	520,745
Total liabilities and shareholders’ equity	$ 907,326	$ 1,218,238