XML 44 R34.htm IDEA: XBRL DOCUMENT v3.20.2

Derivative Financial Instruments - Schedule of the Fair Value Amounts of Derivative Contracts (Details) - USD ($)	Jun. 30, 2020	Mar. 31, 2020
Gross Recognized Asset	$ 37,710,080	$ 37,465,172
Oil Price Hedging Contracts Current [Member]
Gross Recognized Asset	550
Gross Amounts Offset
Net Recognized Asset	550
Oil Price Hedging Contracts - Non-Current [Member]
Gross Recognized Asset
Gross Amounts Offset
Net Recognized Asset
Oil Price Hedging Contracts [Member]
Gross Recognized Asset	550
Gross Amounts Offset
Net Recognized Asset	$ 550

X

- Definition

Depletion of oil and gas property carried under the full cost method.

+ References

No definition available.

+ Details

Name:	us-gaap_OilAndGasPropertyFullCostMethodDepletion
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Oil and gas properties, gross, carried under the full cost method.

+ References

No definition available.

+ Details

Name:	us-gaap_OilAndGasPropertyFullCostMethodGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Oil and gas properties, net of depletion, carried under the full cost method.

+ References

No definition available.

+ Details

Name:	us-gaap_OilAndGasPropertyFullCostMethodNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_BalanceSheetLocationAxis=MXC_OilPriceHedgingContractsCurrentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_BalanceSheetLocationAxis=MXC_OilPriceHedgingContractsNonCurrentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_BalanceSheetLocationAxis=MXC_OilPriceHedgingContractsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: