SEGMENT INFORMATION - Schedule of Segment Activity of Continuing Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Revenues:
Crude oil, natural gas and natural gas liquids sales	$ 110,329	$ 100,155
Operating costs and expenses:
Production expense	44,806	32,089
Exploration expense	0	48
Depreciation, depletion and amortization	30,305	25,824
General and administrative expense	9,051	8,023
Credit (recovery) losses and other	(27)	1,812
Total operating costs and expenses	84,135	67,796
Other operating expense, net	0	(166)
Operating Income (Loss)	26,194	32,193
Other income (expense):
Derivative instruments loss, net	(74)	(847)
Interest (expense) income, net	(1,295)	(935)
Other expense, net	(1,012)	(487)
Total other income (expense), net	(2,381)	(2,269)
Income (loss) before income taxes	23,813	29,924
Income tax (benefit) expense	16,083	22,238
Net income (loss)	7,730	7,686
Consolidated capital expenditures	51,314	24,022
Gabon
Revenues:
Crude oil, natural gas and natural gas liquids sales	52,187	57,504
Egypt
Revenues:
Crude oil, natural gas and natural gas liquids sales	33,920	36,961
Canada
Revenues:
Crude oil, natural gas and natural gas liquids sales	6,180	5,689
Côte d'Ivoire
Revenues:
Crude oil, natural gas and natural gas liquids sales	18,042
Operating | Gabon
Revenues:
Crude oil, natural gas and natural gas liquids sales	52,187	57,504
Operating costs and expenses:
Production expense	24,323	16,713
Exploration expense		0
Depreciation, depletion and amortization	11,421	13,451
General and administrative expense	245	634
Credit (recovery) losses and other	(338)	20
Total operating costs and expenses	35,651	30,818
Other operating expense, net		(166)
Operating Income (Loss)	16,536	26,520
Other income (expense):
Derivative instruments loss, net	0	0
Interest (expense) income, net	(1,036)	(1,317)
Other expense, net	(632)	(94)
Total other income (expense), net	(1,668)	(1,411)
Income (loss) before income taxes	14,868	25,109
Income tax (benefit) expense	8,888	16,293
Net income (loss)	5,980	8,816
Consolidated capital expenditures	7,106	6,287
Operating | Egypt
Revenues:
Crude oil, natural gas and natural gas liquids sales	33,920	36,961
Operating costs and expenses:
Production expense	12,001	12,751
Exploration expense		48
Depreciation, depletion and amortization	8,051	8,336
General and administrative expense	41	169
Credit (recovery) losses and other	0	1,634
Total operating costs and expenses	20,093	22,938
Other operating expense, net		0
Operating Income (Loss)	13,827	14,023
Other income (expense):
Derivative instruments loss, net	0	0
Interest (expense) income, net	(244)	(410)
Other expense, net	4	0
Total other income (expense), net	(240)	(410)
Income (loss) before income taxes	13,587	13,613
Income tax (benefit) expense	5,187	7,033
Net income (loss)	8,400	6,580
Consolidated capital expenditures	6,247	4,328
Operating | Canada
Revenues:
Crude oil, natural gas and natural gas liquids sales	6,180	5,690
Operating costs and expenses:
Production expense	2,123	2,379
Exploration expense		0
Depreciation, depletion and amortization	3,390	3,897
General and administrative expense	(8)	12
Credit (recovery) losses and other	0	0
Total operating costs and expenses	5,505	6,288
Other operating expense, net		0
Operating Income (Loss)	675	(598)
Other income (expense):
Derivative instruments loss, net	0	0
Interest (expense) income, net	0	24
Other expense, net	(32)	0
Total other income (expense), net	(32)	24
Income (loss) before income taxes	643	(574)
Income tax (benefit) expense	0	0
Net income (loss)	643	(574)
Consolidated capital expenditures	1,307	12,559
Operating | Equatorial Guinea
Revenues:
Crude oil, natural gas and natural gas liquids sales	0	0
Operating costs and expenses:
Production expense	300	245
Exploration expense		0
Depreciation, depletion and amortization	0	0
General and administrative expense	64	78
Credit (recovery) losses and other	311	158
Total operating costs and expenses	675	481
Other operating expense, net		0
Operating Income (Loss)	(675)	(481)
Other income (expense):
Derivative instruments loss, net	0	0
Interest (expense) income, net	0	0
Other expense, net	(4)	(1)
Total other income (expense), net	(4)	(1)
Income (loss) before income taxes	(679)	(482)
Income tax (benefit) expense	0	0
Net income (loss)	(679)	(482)
Consolidated capital expenditures	253	0
Operating | Côte d'Ivoire
Revenues:
Crude oil, natural gas and natural gas liquids sales	18,042
Operating costs and expenses:
Production expense	6,059
Depreciation, depletion and amortization	7,420
General and administrative expense	626
Credit (recovery) losses and other	0
Total operating costs and expenses	14,105
Operating Income (Loss)	3,937
Other income (expense):
Derivative instruments loss, net	0
Interest (expense) income, net	108
Other expense, net	(177)
Total other income (expense), net	(69)
Income (loss) before income taxes	3,868
Income tax (benefit) expense	(4,095)
Net income (loss)	7,963
Consolidated capital expenditures	36,420
Corporate and Other
Revenues:
Crude oil, natural gas and natural gas liquids sales	0	0
Operating costs and expenses:
Production expense	0	1
Exploration expense		0
Depreciation, depletion and amortization	23	140
General and administrative expense	8,083	7,130
Credit (recovery) losses and other	0	0
Total operating costs and expenses	8,106	7,271
Other operating expense, net		0
Operating Income (Loss)	(8,106)	(7,271)
Other income (expense):
Derivative instruments loss, net	(74)	(847)
Interest (expense) income, net	(123)	768
Other expense, net	(171)	(392)
Total other income (expense), net	(368)	(471)
Income (loss) before income taxes	(8,474)	(7,742)
Income tax (benefit) expense	6,103	(1,088)
Net income (loss)	(14,577)	(6,654)
Consolidated capital expenditures	$ (19)	$ 848