XML 411 R68.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Mineral Rights and Properties - Activity of Mineral Rights and Properties (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Mineral Rights and Properties [Roll Forward] |  |
Beginning balance | $ 274,490 | $ 154,765
Additions |  | 122,894
Divestiture |  | (3,169)
Depletion | (2,568) |
Ending balance | $ 271,922 | $ 274,490

X
- Definition Mineral Properties, Additions + References No definition available. + Details
Name: | encr_MineralPropertiesAdditions
Namespace Prefix: | encr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Mineral Properties, Depletion + References No definition available. + Details
Name: | encr_MineralPropertiesDepletion
Namespace Prefix: | encr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Mineral Properties, Divestiture + References No definition available. + Details
Name: | encr_MineralPropertiesDivestiture
Namespace Prefix: | encr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Mineral Rights and Properties + References No definition available. + Details
Name: | encr_MineralRightsAndPropertiesRollForward
Namespace Prefix: | encr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Mineral properties, net of adjustments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 360 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-1 + Details
Name: | us-gaap_MineralPropertiesNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant