SEGMENT INFORMATION - Schedule of Segment Activity of Continuing Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenues:
Crude oil, natural gas and natural gas liquids sales	$ 478,988	$ 455,066	$ 354,326
Operating costs and expenses:
Production expense	163,500	153,157	112,661
FPSO demobilization and other costs	0	7,484	8,867
Exploration expense	48	1,965	258
Depreciation, depletion and amortization	143,034	115,302	48,143
General and administrative expense	29,684	23,840	10,077
Credit (recovery) losses and other	6,304	(4,906)	3,082
Total operating costs and expenses	342,570	296,842	183,088
Other operating expense, net	78	433	38
Operating income (loss)	136,496	158,657	171,276
Other income (expense):
Derivative instruments gain (loss), net	(745)	232	(37,812)
Interest income (expense), net	(3,732)	(6,452)	(2,034)
Bargain purchase gain	13,532	(1,412)	10,819
Other income (expense), net		(2,306)	(8,120)
Other income (expense), net	(5,754)	(894)	(18,939)
Total other income (expense), net	3,301	(8,526)	(47,966)
Income before income taxes	139,797	150,131	123,310
Income tax expense	81,307	89,777	71,420
Net income	58,490	60,354	51,890
Consolidated capital expenditures	109,438	72,636	434,360
Gabon
Revenues:
Crude oil, natural gas and natural gas liquids sales	205,954	260,346	306,775
Egypt
Revenues:
Crude oil, natural gas and natural gas liquids sales	145,966	161,049	37,710
Canada
Revenues:
Crude oil, natural gas and natural gas liquids sales	31,986	33,671	9,841
Cote d'Ivoire
Revenues:
Crude oil, natural gas and natural gas liquids sales	95,082
Operating | Gabon
Revenues:
Crude oil, natural gas and natural gas liquids sales	205,954	260,346	306,775
Operating costs and expenses:
Production expense	62,234	87,131	96,854
FPSO demobilization and other costs		7,484	8,867
Exploration expense	0	51	258
Depreciation, depletion and amortization	50,679	62,622	34,651
General and administrative expense	1,679	1,769	3,101
Credit (recovery) losses and other	812	(10,596)	2,743
Total operating costs and expenses	115,404	148,461	146,474
Other operating expense, net	(24)	(55)	38
Operating income (loss)	90,526	111,830	160,339
Other income (expense):
Derivative instruments gain (loss), net	0	0	0
Interest income (expense), net	(4,694)	(5,563)	(1,446)
Bargain purchase gain	0
Other income (expense), net		(820)	(1,484)
Other income (expense), net	(1,635)
Total other income (expense), net	(6,329)	(6,383)	(2,930)
Income before income taxes	84,197	105,447	157,409
Income tax expense	48,026	50,692	68,509
Net income	36,171	54,755	88,900
Consolidated capital expenditures	22,579	17,011	162,375
Operating | Egypt
Revenues:
Crude oil, natural gas and natural gas liquids sales	145,966	161,049	37,710
Operating costs and expenses:
Production expense	50,770	54,779	11,936
FPSO demobilization and other costs		0	0
Exploration expense	48	1,914	0
Depreciation, depletion and amortization	33,458	35,095	10,444
General and administrative expense	70	974	0
Credit (recovery) losses and other	4,813	5,182	0
Total operating costs and expenses	89,159	97,944	22,380
Other operating expense, net	0	(241)	0
Operating income (loss)	56,807	62,864	15,330
Other income (expense):
Derivative instruments gain (loss), net	0	0	0
Interest income (expense), net	(1,489)	(2,110)	(596)
Bargain purchase gain	0
Other income (expense), net		0	0
Other income (expense), net	(204)
Total other income (expense), net	(1,693)	(2,110)	(596)
Income before income taxes	55,114	60,754	14,734
Income tax expense	30,648	32,859	6,254
Net income	24,466	27,895	8,480
Consolidated capital expenditures	11,364	37,866	168,012
Operating | Canada
Revenues:
Crude oil, natural gas and natural gas liquids sales	31,986	33,671	9,841
Operating costs and expenses:
Production expense	11,301	9,463	1,972
FPSO demobilization and other costs		0	0
Exploration expense	0	0	0
Depreciation, depletion and amortization	19,309	17,398	2,921
General and administrative expense	(206)	0	0
Credit (recovery) losses and other	0	0	0
Total operating costs and expenses	30,404	26,861	4,893
Other operating expense, net	102	729	0
Operating income (loss)	1,684	7,539	4,948
Other income (expense):
Derivative instruments gain (loss), net	0	0	13
Interest income (expense), net	(46)	(4)	0
Bargain purchase gain	0
Other income (expense), net		2	0
Other income (expense), net	225
Total other income (expense), net	179	(2)	13
Income before income taxes	1,863	7,537	4,961
Income tax expense	0	0	0
Net income	1,863	7,537	4,961
Consolidated capital expenditures	25,828	16,809	103,263
Operating | Equatorial Guinea
Revenues:
Crude oil, natural gas and natural gas liquids sales	0	0	0
Operating costs and expenses:
Production expense	1,173	1,481	1,899
FPSO demobilization and other costs		0	0
Exploration expense	0	0	0
Depreciation, depletion and amortization	0	0	0
General and administrative expense	305	416	538
Credit (recovery) losses and other	679	508	339
Total operating costs and expenses	2,157	2,405	2,776
Other operating expense, net	0	0	0
Operating income (loss)	(2,157)	(2,405)	(2,776)
Other income (expense):
Derivative instruments gain (loss), net	0	0	0
Interest income (expense), net	0	0	0
Bargain purchase gain	0
Other income (expense), net		(6)	0
Other income (expense), net	(7)
Total other income (expense), net	(7)	(6)	0
Income before income taxes	(2,164)	(2,411)	(2,776)
Income tax expense	0	0	1
Net income	(2,164)	(2,411)	(2,777)
Consolidated capital expenditures	641	0	0
Operating | Cote d'Ivoire
Revenues:
Crude oil, natural gas and natural gas liquids sales	95,082
Operating costs and expenses:
Production expense	38,017
Exploration expense	0
Depreciation, depletion and amortization	38,771
General and administrative expense	1,701
Credit (recovery) losses and other	0
Total operating costs and expenses	78,489
Other operating expense, net	0
Operating income (loss)	16,593
Other income (expense):
Derivative instruments gain (loss), net	(533)
Interest income (expense), net	313
Bargain purchase gain	0
Other income (expense), net	(1)
Total other income (expense), net	(221)
Income before income taxes	16,372
Income tax expense	4,229
Net income	12,143
Consolidated capital expenditures	44,435
Corporate and Other
Revenues:
Crude oil, natural gas and natural gas liquids sales	0	0	0
Operating costs and expenses:
Production expense	5	303	0
FPSO demobilization and other costs		0	0
Exploration expense	0	0	0
Depreciation, depletion and amortization	817	187	127
General and administrative expense	26,135	20,681	6,438
Credit (recovery) losses and other	0	0	0
Total operating costs and expenses	26,957	21,171	6,565
Other operating expense, net	0	0	0
Operating income (loss)	(26,957)	(21,171)	(6,565)
Other income (expense):
Derivative instruments gain (loss), net	(212)	232	(37,825)
Interest income (expense), net	2,184	1,225	8
Bargain purchase gain	13,532
Other income (expense), net		(1,482)	(6,636)
Other income (expense), net	(4,132)
Total other income (expense), net	11,372	(25)	(44,453)
Income before income taxes	(15,585)	(21,196)	(51,018)
Income tax expense	(1,596)	6,226	(3,344)
Net income	(13,989)	(27,422)	(47,674)
Consolidated capital expenditures	$ 4,592	$ 950	$ 710