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v3.25.2

Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands |  | 1 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | ---
Nov. 30, 2023 | Sep. 30, 2022 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024 | Sep. 17, 2018
Accounting Policies [Line Items] |  |  |  |  |  |
Date of incorporation |  |  | Apr. 06, 2018 |  |  |
Net proceeds from issuance of common stock |  |  | $ 101 | $ 55 |  |
Common stock, par value |  |  | $ 0.01 |  | $ 0.01 |
Retained earnings |  |  | $ 37,107 |  | $ 19,947 |
Accrued interest receivable on held-to-maturity debt securities |  |  | 197 |  |  |
Accrued interest receivable on available for sale debt securities |  |  | 915 |  |  |
Allowance on held-to-maturity securities |  |  | 475 |  | 459 |
Loans receivable |  |  | $ 2,331,958 |  | $ 2,229,314 |
IPO [Member] |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |
Sale of common stock |  | 5,101,205 |  |  |  |
Offering price per share |  | $ 7.5 |  |  |  |
Net proceeds from issuance of common stock |  | $ 34,659 |  |  |  |
Underwriting discounts and commissions |  | 2,487 |  |  |  |
Other offering expenses |  | $ 1,114 |  |  |  |
Private Placement [Member] |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |
Net proceeds from issuance of common stock | $ 10,000 |  |  |  |  |
ASU 2023-07 [Member] |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |
Change in Accounting Principle, Accounting Standards Update, Adoption Date |  |  | Jan. 31, 2024 |  |  |
Change in Accounting Principle, Accounting Standards Update, Adopted [true false] |  |  | true |  |  |
Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false] |  |  | true |  |  |
Stonebridge Bank [Member] |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |
Business acquistion percentage of voting interests acquired |  |  |  |  |  | 100.00%
AHFCU [Member] |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |
Purchase and assumption agreement date |  |  | Mar. 31, 2025 |  |  |
Loans acquired |  |  | $ 105,000 |  |  |
Business combination, fixed assets |  |  | 2,100 |  |  |
Deposits Assumed |  |  | 87,100 |  |  |
Deposit premium paid |  |  | 6,200 |  |  |
Core deposit intangibles |  |  | 1,300 |  |  |
Unamortized loan discounts |  |  | 6,700 |  |  |
Transaction costs, net |  |  | $ 8,700 |  |  |
Percentage of deposits assumed at closing |  |  | 7.00% |  |  |

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