XML 401 R58.htm IDEA: XBRL DOCUMENT v3.25.0.1

Inventory - Narrative (Details) $ in Thousands	Dec. 31, 2024 USD ($) pound_of_uranium
Inventory Disclosure [Abstract]
Purchased uranium (in pounds)	245,000
Extracted uranium (in pounds)	59,395
Raw uranium (in pounds)	37,775
Accumulated impairment losses, purchased uranium | $	$ 6,054

X

- Definition

Mineral Rights And Properties, Extracted Uranium, Quantity

+ References

No definition available.

+ Details

Name:	encr_MineralRightsAndPropertiesExtractedUraniumQuantity
Namespace Prefix:	encr_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Mineral Rights And Properties, Purchased Uranium, Accumulated Impairment

+ References

No definition available.

+ Details

Name:	encr_MineralRightsAndPropertiesPurchasedUraniumAccumulatedImpairment
Namespace Prefix:	encr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Mineral Rights And Properties, Purchased Uranium, Quantity

+ References

No definition available.

+ Details

Name:	encr_MineralRightsAndPropertiesPurchasedUraniumQuantity
Namespace Prefix:	encr_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Mineral Rights And Properties, Raw Uranium, Quantity

+ References

No definition available.

+ Details

Name:	encr_MineralRightsAndPropertiesRawUraniumQuantity
Namespace Prefix:	encr_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

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