ACQUISITIONS AND DIVESTITURE - Schedule of Recognized Identified Assets Acquired and Liabilities Assumed (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
Liabilities assumed:
Bargain purchase gain and measurement period adjustment			$ 0	$ 13,532	$ (1,412)
Svenska Petroleum Exploration Aktiebolag
Business Combination [Line Items]
Total purchase consideration	$ 40,166
Assets acquired:
Cash and cash equivalents	31,789
Other receivables, net	830
Crude oil inventory	14,981
Prepayments and other	409
Crude oil, natural gas and NGLs properties and equipment, net	100,188
Restricted cash	8,788
Other LT receivables	33
Deferred tax asset	28,153
Total assets acquired	185,171
Liabilities assumed:
Accounts payable	(2,506)
State oil liability	(19,447)
Accrued tax settlement	(8,788)
Accrued accounts payable invoices	(21,692)
Accrued liabilities and other	(19,083)
Asset retirement obligations	(15,694)
Deferred tax liability	(37,897)
Total liabilities acquired	(125,107)
Bargain purchase gain	(19,898)
Bargain purchase gain and measurement period adjustment	19,900	$ 6,400		$ 13,500	$ 1,400
Total purchase price	40,166
Svenska Petroleum Exploration Aktiebolag | Cumulative Effect, Period of Adoption, Adjustment
Business Combination [Line Items]
Total purchase consideration	0
Assets acquired:
Cash and cash equivalents	466
Other receivables, net	0
Crude oil inventory	0
Prepayments and other	0
Crude oil, natural gas and NGLs properties and equipment, net	6,901
Restricted cash	0
Other LT receivables	0
Deferred tax asset	(12,095)
Total assets acquired	(4,728)
Liabilities assumed:
Accounts payable	0
State oil liability	0
Accrued tax settlement	0
Accrued accounts payable invoices	0
Accrued liabilities and other	(301)
Asset retirement obligations	(11,617)
Deferred tax liability	10,280
Total liabilities acquired	(1,638)
Bargain purchase gain and measurement period adjustment	6,366
Total purchase price	0
Svenska Petroleum Exploration Aktiebolag | Cumulative Effect, Period of Adoption, Adjusted Balance
Business Combination [Line Items]
Total purchase consideration	40,166
Assets acquired:
Cash and cash equivalents	32,255
Other receivables, net	830
Crude oil inventory	14,981
Prepayments and other	409
Crude oil, natural gas and NGLs properties and equipment, net	107,089
Restricted cash	8,788
Other LT receivables	33
Deferred tax asset	16,058
Total assets acquired	180,443
Liabilities assumed:
Accounts payable	(2,506)
State oil liability	(19,447)
Accrued tax settlement	(8,788)
Accrued accounts payable invoices	(21,692)
Accrued liabilities and other	(19,384)
Asset retirement obligations	(27,311)
Deferred tax liability	(27,617)
Total liabilities acquired	(126,745)
Bargain purchase gain	(13,532)
Total purchase price	$ 40,166