Loans Receivable - Additional Information (Details)	3 Months Ended
Sep. 30, 2024 USD ($) Loan	Jun. 30, 2024 USD ($)
Financing Receivable, Allowance for Credit Loss [Line Items]
Minimum percentage required for loan grant for residential mortgage loan to value ratio	80.00%
Foreclosed real estate owned	$ 0	$ 0
Loan modifications to borrowers experiencing financial difficulty	$ 0	$ 0
Commercial Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Minimum percentage of loan to value ratio required to keep credit risk minimal	75.00%
Non-accrual commercial loan	$ 9,000
Number of non-accrual commercial loan \| Loan	1
Commercial Loans \| New Jersey
Financing Receivable, Allowance for Credit Loss [Line Items]
Percentage of total loans receivable, net	45.80%
Residential Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Minimum percentage of loan to value ratio required to keep credit risk minimal	80.00%
Multifamily loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Minimum percentage of loan to value ratio required to keep credit risk minimal	80.00%
Residential Mortgage, Consumer and Other Loans \| New Jersey
Financing Receivable, Allowance for Credit Loss [Line Items]
Percentage of total loans receivable, net	54.20%
Multi-Family, Mixed Use and Owner Occupied Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Percentage of total loans receivable, net	96.60%
Commercial Real Estate \| Maximum
Financing Receivable, Allowance for Credit Loss [Line Items]
Percentage of total loans receivable, net	1.00%

Loan modifications to borrowers experiencing financial difficulty.

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- Definition

Minimum percentage of loan to value ratio required to keep credit risk minimal.

+ References

No definition available.

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- Definition

Minimum percentage required for loan grant for residential mortgage loan to value ratio.

+ References

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- Definition

Non accrual commercial loan.

+ References

No definition available.

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- Definition

Number of non-accrual commercial loan.

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- Definition

Percentage of loans receivable net.

+ References

No definition available.

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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/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph c
-Publisher SEC

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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- Definition

Carrying amount as of the balance sheet date of land and buildings obtained through foreclosure proceedings or defeasance in full or partial satisfaction of a debt arrangement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481628/310-20-40-7

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-3

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 11
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-11

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