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v3.22.1

OIL AND NATURAL GAS PROPERTIES (Details) | 3 Months Ended
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Mar. 31, 2022 $ / MMBTU $ / bbl | Mar. 31, 2021 $ / MMBTU $ / bbl
Ceiling Limitation Disclosures |  |
First-day-of-month 12-month average price for natural gas (in $/MMBtu) | $ / MMBTU | 4.09 | 2.16
First-day-of-month 12-month average price for crude oil used in ceiling test impairment (in dollars per barrel) | $ / bbl | 75.28 | 39.95

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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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Namespace Prefix: | batl_
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Period Type: | duration

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- Definition The natural gas price per million MMBtu. + References No definition available. + Details
Name: | batl_NaturalGasPrice
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_
Data Type: | xbrli:stringItemType
Balance Type: | na
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