Derivative Financial Instruments - Open Crude Oil and Natural Gas Derivative Contracts (Details)	3 Months Ended
Mar. 31, 2023 MMBTU $ / bbl $ / MMBTU bbl
Crude Oil, Q2 - Q4 2023 \| Crude Oil
Derivative [Line Items]
Crude oil volume (Bbl) \| bbl	1,237,500
Weighted Average Price ($/Bbl / $/MMBtu) \| $ / bbl	76.94
Crude Oil Basis Swap, Q2 - Q4 2023 \| Crude Oil
Derivative [Line Items]
Crude oil volume (Bbl) \| bbl	7,103,500
Weighted Average Price ($/Bbl / $/MMBtu) \| $ / bbl	0.92
Natural Gas, Q2 - Q4 2023 \| Natural gas
Derivative [Line Items]
Natural gas volume (MMBtu) \| MMBTU	3,437,500
Weighted Average Price ($/Bbl / $/MMBtu) \| $ / bbl	3.35
Natural Gas Basis Swap, Q2 - Q4 2023 \| Natural gas
Derivative [Line Items]
Natural gas volume (MMBtu) \| MMBTU	38,500,000
Weighted Average Price ($/Bbl / $/MMBtu)	(1.67)
Natural Gas Basis Swap, Q1 - Q4 2024 \| Natural gas
Derivative [Line Items]
Natural gas volume (MMBtu) \| MMBTU	36,600,000
Weighted Average Price ($/Bbl / $/MMBtu) \| $ / bbl	(1.05)
Natural Gas Basis Swap Q1 - Q4 2025 \| Natural gas
Derivative [Line Items]
Natural gas volume (MMBtu) \| MMBTU	14,600,000
Weighted Average Price ($/Bbl / $/MMBtu) \| $ / bbl	(0.74)
Crude Oil Costless Collar Q2 - Q4 2023 \| Crude Oil
Derivative [Line Items]
Crude oil volume (Bbl) \| bbl	2,117,500
Derivative, floor price ($/Bbl / $/MMBtu)	62.47
Derivative, ceiling price ($/Bbl / $/MMBtu)	87.56
Natural Gas Costless Collar Q2 - Q4 2023 \| Natural gas
Derivative [Line Items]
Natural gas volume (MMBtu) \| MMBTU	14,797,500
Derivative, floor price ($/Bbl / $/MMBtu)	3.37
Derivative, ceiling price ($/Bbl / $/MMBtu)	5.61
Crude Oil Premium Puts Q2 - Q4 2023 \| Crude Oil
Derivative [Line Items]
Crude oil volume (Bbl) \| bbl	1,364,500
Derivative, option strike price ($/Bbl)	69.67
Derivative, net of premium strike price ($/Bbl)	64.24

Derivative, Net of Premium Strike Price

No definition available.

Name:	este_DerivativeNetOfPremiumStrikePrice
Namespace Prefix:	este_
Data Type:	srt-types:perUnitItemType
Balance Type:	na
Period Type:	instant

- Definition

The cap rate on a price risk derivative such as a cap or collar. A payment or receipt is triggered if the market rate exceeds the cap rate on the contract.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeCapPrice
Namespace Prefix:	us-gaap_
Data Type:	srt-types:perUnitItemType
Balance Type:	na
Period Type:	instant

- Definition

Floor rate on a price risk derivative such as a floor or a collar. A payment or receipt is triggered if the market rate falls below the floor rate on the contract.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeFloorPrice
Namespace Prefix:	us-gaap_
Data Type:	srt-types:perUnitItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Nominal energy measure used to calculate payments on a derivative instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeNonmonetaryNotionalAmountEnergyMeasure
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:energyItemType
Balance Type:	na
Period Type:	duration

- Definition

Nominal volume used to calculate payments on a derivative instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeNonmonetaryNotionalAmountVolume
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:volumeItemType
Balance Type:	na
Period Type:	duration

- Definition

The strike price on the price risk option contract such as a put option or a call option.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativePriceRiskOptionStrikePrice
Namespace Prefix:	us-gaap_
Data Type:	srt-types:perUnitItemType
Balance Type:	na
Period Type:	instant

- Definition

Average fixed price related to the group of price risk swap derivatives.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeSwapTypeAverageFixedPrice
Namespace Prefix:	us-gaap_
Data Type:	srt-types:perUnitItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=este_CrudeOilDerivativeSwapContractualPeriodOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_EnergyAxis=srt_CrudeOilMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=este_CrudeOilBasisSwapContractualPeriodOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=este_NaturalGasDerivativeContractualPeriodOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ReserveQuantitiesByTypeOfReserveAxis=srt_NaturalGasReservesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=este_NaturalGasBasisSwapContractualPeriodOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=este_NaturalGasBasisSwapContractualPeriodTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=este_NaturalGasBasisSwapContractualPeriodThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=este_CrudeOilCostlessCollarOneMemberMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=este_NaturalGasCostlessCollarContractualPeriodOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=este_CrudeOilPremiumPutsContractualPeriodOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: