Loans Receivable - Summary of Classes of Loan Portfolio (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Jun. 30, 2023
Financing Receivable, Credit Quality Indicator [Line Items]
Total Loans	$ 695,498	$ 361,423
Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total Loans	695,354	361,278
Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total Loans	144	145
Gross Charge-offs
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	0
Revolving	0
Total	0
Owner Occupied Commercial Real Estate
Financing Receivable, Credit Quality Indicator [Line Items]
2024	6,400
2023	7,670
2022	8,437
2021	5,681
2020	2,027
Prior	30,635
Revolving	0
Total	60,850
Total Loans	60,850	144
Owner Occupied Commercial Real Estate \| Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2024	6,400
2023	7,670
2022	8,437
2021	5,681
2020	2,027
Prior	30,635
Revolving	(0)
Total	60,850
Total Loans	60,850	144
Owner Occupied Commercial Real Estate \| Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	0
Revolving	0
Total	0
Owner Occupied Commercial Real Estate \| Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	0
Revolving	0
Total	0
Owner Occupied Commercial Real Estate \| Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	0
Revolving	0
Total	0
Owner Occupied Commercial Real Estate \| Loss
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	0
Revolving	0
Total	0
Other Commercial Real Estate
Financing Receivable, Credit Quality Indicator [Line Items]
2024	226
2023	4,035
2022	3,234
2021	1,781
2020	11,226
Prior	54,854
Revolving	0
Total	75,356
Total Loans	75,357	296
Other Commercial Real Estate \| Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2024	226
2023	4,035
2022	3,234
2021	1,781
2020	11,226
Prior	54,854
Revolving	0
Total	75,356
Total Loans	75,357	296
Other Commercial Real Estate \| Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	0
Revolving	0
Total	0
Other Commercial Real Estate \| Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	0
Revolving	0
Total	0
Other Commercial Real Estate \| Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	0
Revolving	0
Total	0
Other Commercial Real Estate \| Loss
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	0
Revolving	0
Total	0
Multi-Family
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	29,618
2022	26,142
2021	22,932
2020	9,423
Prior	83,312
Revolving	0
Total	171,427
Total Loans	171,427	10
Multi-Family \| Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	29,618
2022	26,142
2021	22,932
2020	9,423
Prior	83,312
Revolving	0
Total	171,427
Total Loans	171,427	10
Multi-Family \| Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	0
Revolving	0
Total	0
Multi-Family \| Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	0
Revolving	0
Total	0
Multi-Family \| Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	0
Revolving	0
Total	0
Multi-Family \| Loss
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	0
Revolving	0
Total	0
Commercial and Industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2024	439
2023	4,888
2022	3,175
2021	218
2020	1,560
Prior	2,509
Revolving	0
Total	12,789
Total Loans	12,789	0
Commercial and Industrial \| Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2024	439
2023	4,888
2022	3,175
2021	218
2020	1,560
Prior	2,509
Revolving	0
Total	12,789
Total Loans	12,789
Commercial and Industrial \| Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	0
Revolving	0
Total	0
Commercial and Industrial \| Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	0
Revolving	0
Total	0
Commercial and Industrial \| Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	0
Revolving	0
Total	0
Commercial and Industrial \| Loss
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	0
Revolving	0
Total	0
Residential
Financing Receivable, Credit Quality Indicator [Line Items]
2024	16,337
2023	57,379
2022	79,428
2021	395
2020	111,194
Prior	97,120
Revolving	0
Total	361,853
Total Loans	362,704	353,624
Residential \| Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2024	16,337
2023	57,379
2022	79,428
2021	395
2020	111,194
Prior	96,976
Revolving	0
Total	361,709
Total Loans	362,560	353,479
Residential \| Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	0
Revolving	0
Total	0
Residential \| Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	144
Revolving	0
Total	144
Total Loans	144	145
Residential \| Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	0
Revolving	0
Total	0
Residential \| Loss
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	0
Revolving	0
Total	0
Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2024	669
2023	365
2022	209
2021	12
2020	314
Prior	2,292
Revolving	9,361
Total	13,222
Total Loans	12,371	7,349
Consumer \| Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2024	669
2023	365
2022	209
2021	12
2020	314
Prior	2,292
Revolving	9,361
Total	13,222
Total Loans	12,371	$ 7,349
Consumer \| Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	0
Revolving	0
Total	0
Consumer \| Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	0
Revolving	0
Total	0
Consumer \| Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	0
Revolving	0
Total	0
Consumer \| Loss
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	0
Revolving	0
Total	$ 0

Financing receivable, more than five years before current fiscal year.

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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