Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Current Assets
Cash and cash equivalents	$ 8,301	$ 51,040
Restricted cash and cash equivalents (Note 8)	516	1,269
Accounts receivable (Note 4)	36,291	26,177
Investment (Note 13)	94,741	32,724
Taxes receivable	135,838	78,259
Other current assets	15,001	13,056
Total Current Assets	290,688	202,525
Oil and Gas Properties (using the full cost method of accounting)
Proved	1,258,934	853,428
Unproved	310,809	456,598
Total Oil and Gas Properties	1,569,743	1,310,026
Other capital assets	7,650	2,751
Total Property, Plant and Equipment (Notes 5)	1,577,393	1,312,777
Other Long-Term Assets
Taxes receivable	25,869	0
Deferred tax assets (Note 10)	44,003	45,437
Investment (Note 13)	0	8,711
Other long-term assets	4,130	4,553
Goodwill	102,581	102,581
Total Other Long-Term Assets	176,583	161,282
Total Assets	2,044,664	1,676,584
Current Liabilities
Accounts payable and accrued liabilities (Note 11)	195,513	154,670
Derivatives (Note 13)	775	1,017
Taxes payable	0	4,149
Equity compensation award liability (Note 7 and 13)	3,053	9,544
Total Current Liabilities	199,341	169,380
Long-Term Liabilities
Long-term debt (Notes 6)	700,459	399,415
Deferred tax liabilities (Note 10)	59,762	23,419
Asset retirement obligation (Note 8)	43,419	43,676
Equity compensation award liability (Note 7 and 13)	4,806	8,139
Other long-term liabilities	4,267	2,805
Total Long-Term Liabilities	812,713	477,454
Commitments and Contingencies (Note 12)
Shareholders’ Equity
Common Stock (Note 7) (366,981,556 and 387,079,027 shares of Common Stock, par value $0.001 per share, issued and outstanding as at December 31, 2019 and December 31, 2018, respectively)	10,270	10,290
Additional paid in capital	1,282,627	1,318,048
Deficit	(260,287)	(298,588)
Total Shareholders’ Equity	1,032,610	1,029,750
Total Liabilities and Shareholders’ Equity	$ 2,044,664	$ 1,676,584