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Supplemental Oil and Gas Disclosures (Unaudited) (Future Net Cash Flows From Proved Oil and Gas Reserves) (Details) - USD ($) | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Gross Amounts |  |
Future cash inflows | $ 218,982 | $ 71,400
Future production costs | 39,841 | 14,664
Future net cash flows before income tax expense | 179,141 | 56,736
10% discount to reflect timing of cash flows | (62,615) | (19,897)
Standardized measure of discounted cash flows | 116,526 | 36,839
Net Amounts |  |
Future net cash flows before income tax expense | 141,521 | 44,821
10% discount to reflect timing of cash flows | (49,465) | (15,719)
Standardized measure of discounted cash flows | $ 92,056 | $ 29,102

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- Definition Amount of estimated future accumulated cash inflow from the sale of proved oil and gas reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Form 20-F -Section Item 18 -Subsection Instruction 2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 31 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126939881&loc=d3e62455-109447 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 33 -URI https://asc.fasb.org/extlink&oid=126939881&loc=d3e62479-109447 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 55 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=34713648&loc=d3e63094-109448 + Details
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