Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current Assets
Cash and cash equivalents	$ 26,109	$ 13,687
Restricted cash and cash equivalents (Note 10)	392	427
Accounts receivable (Note 3)	13,185	8,044
Investment (Note 15)	0	48,323
Taxes receivable (Note 4)	45,506	49,925
Other current assets	16,609	13,459
Total Current Assets	101,801	133,865
Oil and Gas Properties (using the full cost method of accounting)
Proved	859,580	797,355
Unproved	131,865	161,763
Total Oil and Gas Properties	991,445	959,118
Other capital assets	4,352	5,364
Total Property, Plant and Equipment (Note 5)	995,797	964,482
Other Long-Term Assets
Taxes receivable (Note 4)	17,522	42,635
Deferred tax assets (Note 13)	61,494	57,318
Other long-term assets	12,497	3,425
Total Other Long-Term Assets	91,513	103,378
Total Assets	1,189,111	1,201,725
Current Liabilities
Accounts payable and accrued liabilities (Note 7)	148,694	100,784
Current portion of long-term debt (Note 8)	66,987	0
Taxes payable (Note 4)	6,620	0
Equity compensation award liability (Note 9 and 15)	2,710	805
Total Current Liabilities	227,987	113,639
Long-Term Liabilities
Long-term debt (Note 8)	587,404	774,770
Asset retirement obligation (Note 10)	54,525	48,214
Equity compensation award liabilities (Note 9 and 15)	13,718	3,955
Other long-term liabilities	3,397	4,113
Total Long-Term Liabilities	659,044	831,052
Commitments and Contingencies (Note 14)
Shareholders’ Equity
Common Stock (Note 9) (367,144,500 and 366,981,556 shares of Common Stock, par value $0.001 per share, issued and outstanding as at December 31, 2021, and December 31, 2020, respectively)	10,270	10,270
Additional paid in capital	1,287,582	1,285,018
Deficit	(995,772)	(1,038,254)
Total Shareholders’ Equity	302,080	257,034
Total Liabilities and Shareholders’ Equity	$ 1,189,111	$ 1,201,725