XML 65 R55.htm IDEA: XBRL DOCUMENT v3.26.1

Note 10 - Fair Value of Financial Instruments - Financial Assets and Financial Liabilities Measured at Fair Value on a Nonrecurring Basis (Details) - Fair Value, Nonrecurring [Member] - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Impaired loans	$ 58	$ 189
Fair Value, Inputs, Level 1 [Member]
Impaired loans	0	0
Fair Value, Inputs, Level 2 [Member]
Impaired loans	0	0
Fair Value, Inputs, Level 3 [Member]
Impaired loans	$ 58	$ 189

X

- Definition

This element represents loans classified as impaired measured at fair value.

+ References

No definition available.

+ Details

Name:	ebmt_ImpairedLoansFairValueDisclosure
Namespace Prefix:	ebmt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsNonrecurringMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: