v3.26.1

Organization (Details) - USD ($)		12 Months Ended
Organization (Details) - USD ($)	Dec. 03, 2025	Dec. 31, 2025
Organization
Stock offering costs	$ 3,700,000	$ 3,655,887
Merger of wholly owned subsidiaries	$ 567,362	$ 567,362
Hoyne Charitable Foundation, Inc.
Organization
Number of shares issued as donation to a charitable foundation	161,938
Cash donation to charitable foundation	$ 250,000
Hoyne Savings Bank
Organization
Percentage ownership	100.00%

The amount of cash donation made to charitable foundations.

+ References

No definition available.

+ Details

Name:	hyne_CashDonationToCharitableFoundation
Namespace Prefix:	hyne_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount of decrease in retained earnings attributable to the merger of wholly owned subsidiaries.

+ References

No definition available.

+ Details

Name:	hyne_DecreaseInRetainedEarningsAttributableToMergerOfWhollyOwnedSubsidiaries
Namespace Prefix:	hyne_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Number of new stock issued during the period as a donation to a charitable foundation.

+ References

No definition available.

+ Details

Name:	hyne_StockIssuedDuringPeriodSharesDonationToCharitableFoundation
Namespace Prefix:	hyne_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

The cash outflow for cost incurred directly with the issuance of an equity security.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-15

+ Details

Name:	us-gaap_PaymentsOfStockIssuanceCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Percentage of subsidiary's or equity method investee's stock owned by parent immediately after all stock transactions.

+ References

No definition available.

+ Details

Name:	us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- 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

No definition available.

+ Details

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

- Details

Name:	srt_CounterpartyNameAxis=hyne_HoyneCharitableFoundationInc.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ConsolidatedEntitiesAxis=hyne_HoyneSavingsBankMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Hoyne Bancorp, Inc. 10-K