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v3.23.2

Loans and Allowance for Credit Losses on Loans - Additional Information (Detail) | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2023 USD ($) | Jun. 30, 2023 USD ($) Loan | Dec. 31, 2022 USD ($) Loan
Loans collateralized by real estate | $ 1 | $ 1 |
Loans outstanding | 5,500,000 | $ 5,500,000 | $ 4,400,000
Number of Loans | Loan |  | 0 | 0
Interest income recognized on non-accrual loans | 0 | $ 0 |
Non-Accrual Loans | $ 3,000 | $ 3,000 | $ 89,000
ASU 2016-13 |  |  |
Change in accounting principle, accounting standards update, adopted | true | true |
Change in accounting principle, accounting standards update, adoption date | Jan. 01, 2023 | Jan. 01, 2023 |
Residential Real Estate [Member] |  |  |
Loans collateralized by real estate | $ 0 | $ 0 | 0
RES [Member] |  |  |
Non-Accrual Loans | $ 84,000 | 84,000 | $ 84,000
RES [Member] | Residential Real Estate [Member] |  |  |
Real estate appraial value |  | $ 422,000 |

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