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OIL AND NATURAL GAS PROPERTIES - Ceiling Test Value of Company's Reserves (Details) | 6 Months Ended
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Jun. 30, 2025 $ / bbl $ / MMBTU | Jun. 30, 2024 $ / bbl $ / MMBTU
Ceiling Limitation Disclosures |  |
First-day-of-month 12-month average price for crude oil used in ceiling test impairment (in dollars per barrel) | $ / bbl | 71.2 | 79.45
First-day-of-month 12-month average price for natural gas (in $/MMBtu) | $ / MMBTU | 2.86 | 2.32

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- Definition Represents the first-day-of-month 12-month average price per barrel of crude oil used in ceiling test impairment. + References No definition available. + Details
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- Definition The natural gas price per million MMBtu. + References No definition available. + Details
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Namespace Prefix: | batl_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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