SEGMENT INFORMATION - Schedule of Segment Activity of Continuing Operations (Details) - USD ($) $ in Thousands		3 Months Ended	12 Months Ended
	Apr. 30, 2024	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting [Abstract]
Number Of Reportable Segments Disclosed By Definition Flag			true
Revenues:
Crude oil, natural gas and natural gas liquids sales			$ 359,272	$ 478,988	$ 455,066
Operating costs and expenses:
Production expense			158,177	163,500	153,157
FPSO demobilization and other costs			0	0	7,484
Exploration expense			8,914	48	1,965
Depreciation, depletion and amortization			109,978	143,034	115,302
Impairment loss on assets held for sale			67,224	0	0
General and administrative expense			33,089	29,684	23,840
Credit (recovery) losses and other			106	6,304	(4,906)
Total operating costs and expenses			377,488	342,570	296,842
Other operating income (expense), net			(2,391)	78	433
Operating income (loss)			(20,607)	136,496	158,657
Other income (expense):
Derivative instruments gain (loss), net			2,876	(745)	232
Interest expense, net			(8,243)	(3,732)	(6,452)
Bargain purchase gain and measurement period adjustment			0	13,532	(1,412)
Other expense, net			(595)	(5,754)	(894)
Total other income (expense), net			(5,962)	3,301	(8,526)
Income (loss) before income taxes			(26,569)	139,797	150,131
Income tax (benefit) expense			14,822	81,307	89,777
Net income (loss)			(41,391)	58,490	60,354
Consolidated capital expenditures			236,414	109,439	72,636
Svenska Petroleum Exploration Aktiebolag
Other income (expense):
Bargain purchase gain and measurement period adjustment	$ 19,900	$ 6,400		13,500	1,400
Gabon
Revenues:
Crude oil, natural gas and natural gas liquids sales			181,738	205,954	260,346
Egypt
Revenues:
Crude oil, natural gas and natural gas liquids sales			139,963	145,966	161,049
Canada
Revenues:
Crude oil, natural gas and natural gas liquids sales			19,174	31,986	33,671
Cote d'Ivoire
Revenues:
Crude oil, natural gas and natural gas liquids sales			18,397	95,082
Operating | Gabon
Revenues:
Crude oil, natural gas and natural gas liquids sales			181,738	205,954	260,346
Operating costs and expenses:
Production expense			84,677	62,234	87,131
FPSO demobilization and other costs					7,484
Exploration expense			3,799	0	51
Depreciation, depletion and amortization			48,739	50,679	62,622
Impairment loss on assets held for sale			0
General and administrative expense			1,684	1,679	1,769
Credit (recovery) losses and other			(792)	812	(10,596)
Total operating costs and expenses			138,107	115,404	148,461
Other operating income (expense), net			18	(24)	(55)
Operating income (loss)			43,649	90,526	111,830
Other income (expense):
Derivative instruments gain (loss), net			0	0	0
Interest expense, net			(3,443)	(4,694)	(5,563)
Bargain purchase gain and measurement period adjustment			0	0	0
Other expense, net			(1,096)	(1,635)	(820)
Total other income (expense), net			(4,539)	(6,329)	(6,383)
Income (loss) before income taxes			39,110	84,197	105,447
Income tax (benefit) expense			17,959	48,026	50,692
Net income (loss)			21,151	36,171	54,755
Consolidated capital expenditures			61,739	22,579	17,011
Operating | Egypt
Revenues:
Crude oil, natural gas and natural gas liquids sales			139,963	145,966	161,049
Operating costs and expenses:
Production expense			53,539	50,770	54,779
FPSO demobilization and other costs					0
Exploration expense			2,409	48	1,914
Depreciation, depletion and amortization			36,649	33,458	35,095
Impairment loss on assets held for sale			0
General and administrative expense			545	70	974
Credit (recovery) losses and other			(228)	4,813	5,182
Total operating costs and expenses			92,914	89,159	97,944
Other operating income (expense), net			0	0	(241)
Operating income (loss)			47,049	56,807	62,864
Other income (expense):
Derivative instruments gain (loss), net			0	0	0
Interest expense, net			(862)	(1,489)	(2,110)
Bargain purchase gain and measurement period adjustment			0	0	0
Other expense, net			155	(204)	0
Total other income (expense), net			(707)	(1,693)	(2,110)
Income (loss) before income taxes			46,342	55,114	60,754
Income tax (benefit) expense			21,358	30,648	32,859
Net income (loss)			24,984	24,466	27,895
Consolidated capital expenditures			28,768	11,364	37,866
Operating | Canada
Revenues:
Crude oil, natural gas and natural gas liquids sales			19,174	31,986	33,671
Operating costs and expenses:
Production expense			8,458	11,301	9,463
FPSO demobilization and other costs					0
Exploration expense			0	0	0
Depreciation, depletion and amortization			13,485	19,309	17,398
Impairment loss on assets held for sale			67,224
General and administrative expense			136	(206)	0
Credit (recovery) losses and other			0	0	0
Total operating costs and expenses			89,303	30,404	26,861
Other operating income (expense), net			0	102	729
Operating income (loss)			(70,129)	1,684	7,539
Other income (expense):
Derivative instruments gain (loss), net			0	0	0
Interest expense, net			0	(46)	(4)
Bargain purchase gain and measurement period adjustment			0	0	0
Other expense, net			444	225	2
Total other income (expense), net			444	179	(2)
Income (loss) before income taxes			(69,685)	1,863	7,537
Income tax (benefit) expense			0	0	0
Net income (loss)			(69,685)	1,863	7,537
Consolidated capital expenditures			1,588	25,828	16,809
Operating | Equatorial Guinea
Revenues:
Crude oil, natural gas and natural gas liquids sales			0	0	0
Operating costs and expenses:
Production expense			1,561	1,173	1,481
FPSO demobilization and other costs					0
Exploration expense			0	0	0
Depreciation, depletion and amortization			0	0	0
Impairment loss on assets held for sale			0
General and administrative expense			282	305	416
Credit (recovery) losses and other			1,126	679	508
Total operating costs and expenses			2,969	2,157	2,405
Other operating income (expense), net			0	0	0
Operating income (loss)			(2,969)	(2,157)	(2,405)
Other income (expense):
Derivative instruments gain (loss), net			0	0	0
Interest expense, net			0	0	0
Bargain purchase gain and measurement period adjustment			0	0	0
Other expense, net			(5)	(7)	(6)
Total other income (expense), net			(5)	(7)	(6)
Income (loss) before income taxes			(2,974)	(2,164)	(2,411)
Income tax (benefit) expense			0	0	0
Net income (loss)			(2,974)	(2,164)	(2,411)
Consolidated capital expenditures			607	641	0
Operating | Cote d'Ivoire
Revenues:
Crude oil, natural gas and natural gas liquids sales			18,397	95,082
Operating costs and expenses:
Production expense			9,941	38,017
Exploration expense			2,706	0
Depreciation, depletion and amortization			10,134	38,771
Impairment loss on assets held for sale			0
General and administrative expense			2,138	1,701
Credit (recovery) losses and other			0	0
Total operating costs and expenses			24,919	78,489
Other operating income (expense), net			(2,409)	0
Operating income (loss)			(8,931)	16,593
Other income (expense):
Derivative instruments gain (loss), net			0	(533)
Interest expense, net			(3,117)	313
Bargain purchase gain and measurement period adjustment			0	0	(1,412)
Other expense, net			325	(1)
Total other income (expense), net			(2,792)	(221)
Income (loss) before income taxes			(11,723)	16,372
Income tax (benefit) expense			(22,631)	4,229
Net income (loss)			10,908	12,143
Consolidated capital expenditures			143,186	44,435
Corporate and Other
Revenues:
Crude oil, natural gas and natural gas liquids sales			0	0	0
Operating costs and expenses:
Production expense			1	5	303
FPSO demobilization and other costs					0
Exploration expense			0	0	0
Depreciation, depletion and amortization			971	817	187
Impairment loss on assets held for sale			0
General and administrative expense			28,304	26,135	20,681
Credit (recovery) losses and other			0	0	0
Total operating costs and expenses			29,276	26,957	21,171
Other operating income (expense), net			0	0	0
Operating income (loss)			(29,276)	(26,957)	(21,171)
Other income (expense):
Derivative instruments gain (loss), net			2,876	(212)	232
Interest expense, net			(821)	2,184	1,225
Bargain purchase gain and measurement period adjustment			0	13,532	(1,412)
Other expense, net			(418)	(4,132)	(70)
Total other income (expense), net			1,637	11,372	(25)
Income (loss) before income taxes			(27,639)	(15,585)	(21,196)
Income tax (benefit) expense			(1,864)	(1,596)	6,226
Net income (loss)			(25,775)	(13,989)	(27,422)
Consolidated capital expenditures			$ 526	$ 4,592	$ 950