Borrowings Maturity, Term

No definition available.

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Namespace Prefix:	ero_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Borrowings, Principal

+ References

No definition available.

+ Details

Name:	ero_BorrowingsPrincipal
Namespace Prefix:	ero_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of outstanding funds that the entity is obligated to repay.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard
-URIDate 2024-03-27

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The adjustment to the basis (reference rate) used for calculation of the interest rate on borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 7
-IssueDate 2024-01-01
-Paragraph 7
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_7&doctype=Standard
-URIDate 2024-03-27

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The interest rate on borrowings. [Refer: Borrowings]

+ References

+ Details

Name:	ifrs-full_BorrowingsInterestRate
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount of current borrowings and current portion of non-current borrowings. [Refer: Borrowings]

+ References

+ Details

Name:	ifrs-full_CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The non-current portion of non-current borrowings. [Refer: Borrowings]

+ References

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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Namespace Prefix:
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- Details

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Data Type:	na
Balance Type:
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- Details

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Data Type:	na
Balance Type:
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- Details

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Data Type:	na
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- Details

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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_BorrowingsByNameAxis=ero_CopperPrepaymentFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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- Details

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Data Type:	na
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- Details

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Data Type:	na
Balance Type:
Period Type:

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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Namespace Prefix:
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Loans and Borrowings - Schedule (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Feb. 28, 2022
Disclosure of detailed information about borrowings [line items]
Principal to be repaid	$ 599,642
Current portion	55,711	$ 45,893
Non-current portion	$ 551,403	556,296
Top of range
Disclosure of detailed information about borrowings [line items]
Maturity (Months)	5 months
Senior Notes
Disclosure of detailed information about borrowings [line items]
Maturity (Months)	49 months
Coupon rate	6.50%		6.50%
Principal to be repaid	$ 400,000
Carrying value, including accrued interest	$ 405,092	404,152
Senior Credit Facility
Disclosure of detailed information about borrowings [line items]
Maturity (Months)	36 months
Principal to be repaid	$ 155,000
Senior Credit Facility \| Bottom of range \| SOFR
Disclosure of detailed information about borrowings [line items]
Coupon rate	2.00%
Senior Credit Facility \| Top of range \| SOFR
Disclosure of detailed information about borrowings [line items]
Coupon rate	4.25%
Copper Prepayment Facility
Disclosure of detailed information about borrowings [line items]
Coupon rate	8.66%
Principal to be repaid	$ 36,508
Carrying value, including accrued interest	39,087	46,530
Equipment Finance Loans USD
Disclosure of detailed information about borrowings [line items]
Principal to be repaid	$ 7,245
Equipment Finance Loans USD \| Bottom of range
Disclosure of detailed information about borrowings [line items]
Maturity (Months)	3 months
Coupon rate	6.16%
Equipment Finance Loans USD \| Top of range
Disclosure of detailed information about borrowings [line items]
Maturity (Months)	42 months
Coupon rate	8.35%
Equipment Finance Loans EUR
Disclosure of detailed information about borrowings [line items]
Coupon rate	5.25%
Principal to be repaid	$ 167
Equipment Finance Loans EUR \| Bottom of range
Disclosure of detailed information about borrowings [line items]
Maturity (Months)	2 months
Equipment Finance Loans EUR \| Top of range
Disclosure of detailed information about borrowings [line items]
Maturity (Months)	6 months
Equipment Finance Loans BRL
Disclosure of detailed information about borrowings [line items]
Principal to be repaid	$ 68
Equipment Finance Loans BRL \| Bottom of range
Disclosure of detailed information about borrowings [line items]
Coupon rate	16.63%
Bank Loan (MCSA)
Disclosure of detailed information about borrowings [line items]
Maturity (Months)	11 months
Principal to be repaid	$ 654
Bank Loan (MCSA) \| Brazilian Interbank Deposit Rate (CDI)
Disclosure of detailed information about borrowings [line items]
Coupon rate	0.50%
Carrying amount
Disclosure of detailed information about borrowings [line items]
Carrying value, including accrued interest	$ 607,114	602,189
Current portion	55,711	45,893
Non-current portion	551,403	556,296
Carrying amount \| Senior Credit Facility
Disclosure of detailed information about borrowings [line items]
Carrying value, including accrued interest	154,706	134,212
Carrying amount \| Equipment Finance Loans USD
Disclosure of detailed information about borrowings [line items]
Carrying value, including accrued interest	7,319	12,933
Carrying amount \| Equipment Finance Loans EUR
Disclosure of detailed information about borrowings [line items]
Carrying value, including accrued interest	168	544
Carrying amount \| Equipment Finance Loans BRL
Disclosure of detailed information about borrowings [line items]
Carrying value, including accrued interest	84	2,597
Carrying amount \| Bank Loan (MCSA)
Disclosure of detailed information about borrowings [line items]
Carrying value, including accrued interest	$ 658	$ 1,221