v3.25.4

Employee Stock Ownership Plan (Details)		3 Months Ended		6 Months Ended
Employee Stock Ownership Plan (Details)	Jun. 30, 2025 h	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2025 USD ($) shares	Dec. 31, 2024 USD ($) shares
Employee Stock Ownership Plan [Line Items]
ESOP compensation expense				$ 458,946	$ 286,262
Share distributions				$ 57,954	$ 65,491
Liquidated shares \| shares				31,011	23,393
Transferred shares \| shares				26,943	42,098
Employee Stock Ownership Plan [Member]
Employee Stock Ownership Plan [Line Items]
Number of hours worked per year to qualify for the plan \| h	1,000
Bear interest fixed rate		3.00%		3.00%
ESOP compensation expense		$ 211,601	$ 163,067	$ 458,946	$ 286,262

Employee stock ownership plan ESOP gain loss on transactions in deferred liquidated Shares.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Employee stock ownership plan ESOP gain loss on transactions in deferred liquidated transferred shares.

+ References

No definition available.

+ Details

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Namespace Prefix:	esp_
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Balance Type:	na
Period Type:	duration

- Definition

Minimum number of hours worked per year for nonunion employees to participate in ESOP.

+ References

No definition available.

+ Details

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Namespace Prefix:	esp_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(a)(1))
-Publisher FASB
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-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B

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Balance Type:	na
Period Type:	instant

- Definition

The amount of plan compensation cost recognized during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480489/718-40-50-1

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 718
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480489/718-40-50-1

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- Definition

The difference between cost and fair value added or subtracted from paid-in capital, arising from contribution of shares to an ESOP or commitments-to-release ESOP shares.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 40
-Section 30
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480610/718-40-30-3

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ESPEY MFG & ELECTRONICS CORP 10-Q