SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) - USD ($) shares in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Product Information [Line Items]
Cumulative unrealized gains or losses on available-for-sale debt securities	$ 0	$ 0
Uncertain tax positions	$ 0	$ 0
Diluted shares outstanding (in shares)	0	0
Inflation rate (as a percent)	4.08%
Change in present value of property (as a percent)	3.25%
Oil and Gas Sales
Product Information [Line Items]
Estimated accrued oil and gas sales	$ 977,894	$ 1,142,304
Customer Concentration Risk | Revenue Benchmark | One Customer
Product Information [Line Items]
Concentration risk (as a percent)	11.00%
Customer Concentration Risk | Revenue Benchmark | Two Customers
Product Information [Line Items]
Concentration risk (as a percent)		35.00%