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v3.19.3.a.u2

Revenue Recognition - Narrative (Details) | 12 Months Ended
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Dec. 31, 2019 utlity_company cogeneration_facility
Revenue from Contract with Customer [Abstract] |
Payment term (within) | 30 days
Number of cogeneration facilities selling majority of electric output not used in operations | cogeneration_facility | 3
Number of utility companies under long term contract to buy electrical output | utlity_company | 2

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- Definition Long-Term Contract For Selling Of Electric Power, Number Of Utility Companies Sold To + References No definition available. + Details
Name: | bry_LongTermContractForSellingOfElectricPowerNumberOfUtilityCompaniesSoldTo
Namespace Prefix: | bry_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition Number Of Cogeneration Facilities Selling Majority Of Electric Power Not Used In Operations + References No definition available. + Details
Name: | bry_NumberOfCogenerationFacilitiesSellingMajorityOfElectricPowerNotUsedInOperations
Namespace Prefix: | bry_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition Revenue With Customers, Payment Term + References No definition available. + Details
Name: | bry_RevenueWithCustomersPaymentTerm
Namespace Prefix: | bry_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_RevenueFromContractWithCustomerAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration