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v3.23.2

Investment Securities - Summary of Amortized Cost and Held-to-maturity, Gross Unrealized Gains and Losses, and Fair Value of Investment Securities Available for Sale (Detail) - USD ($) $ in Thousands | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Debt Securities Available For Sale Reconciliation Of Fair Value To Amortized Cost [Line Items] |  |
Amortized Cost | $ 91,323 | $ 86,920
Gross Unrealized Gains | 7 | 14
Gross Unrealized Losses | (7,710) | (8,121)
Fair Value | 83,620 | 78,813
Held-to-Maturity, Amortized Cost | 38,806 | 31,822
Gross Unrecognized Gain | 0 | 0
Gross Unrecognized Losses | (2,748) | (1,742)
Held-to-maturity, Fair value | 36,058 | 30,080
Allowance for Credit Loss | 586 |
U.S. government agency securities [Member] |  |
Debt Securities Available For Sale Reconciliation Of Fair Value To Amortized Cost [Line Items] |  |
Amortized Cost | 2,000 |
Gross Unrealized Gains | 0 |
Gross Unrealized Losses | (19) |
Fair Value | 1,981 |
Small Business Administration Loan Pools [Member] |  |
Debt Securities Available For Sale Reconciliation Of Fair Value To Amortized Cost [Line Items] |  |
Amortized Cost | 726 | 858
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (15) | (15)
Fair Value | 711 | 843
Obligations of state and political subdivisions [Member] |  |
Debt Securities Available For Sale Reconciliation Of Fair Value To Amortized Cost [Line Items] |  |
Amortized Cost | 45,651 | 44,189
Gross Unrealized Gains | 7 | 14
Gross Unrealized Losses | (3,728) | (4,034)
Fair Value | 41,930 | 40,169
Mortgage-backed securities in government-sponsored entities [Member] |  |
Debt Securities Available For Sale Reconciliation Of Fair Value To Amortized Cost [Line Items] |  |
Amortized Cost | 42,946 | 41,873
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (3,948) | (4,072)
Fair Value | 38,998 | 37,801
Corporate Debentures [Member] |  |
Debt Securities Available For Sale Reconciliation Of Fair Value To Amortized Cost [Line Items] |  |
Held-to-Maturity, Amortized Cost | 15,000 | 14,993
Gross Unrecognized Gain | 0 | 0
Gross Unrecognized Losses | (1,782) | (994)
Held-to-maturity, Fair value | 13,218 | 13,999
Allowance for Credit Loss | 586 |
Structured Mortgage-backed Securities [Member] |  |
Debt Securities Available For Sale Reconciliation Of Fair Value To Amortized Cost [Line Items] |  |
Held-to-Maturity, Amortized Cost | 23,806 | 16,829
Gross Unrecognized Gain | 0 | 0
Gross Unrecognized Losses | (966) | (748)
Held-to-maturity, Fair value | 22,840 | $ 16,081
Allowance for Credit Loss | $ 0 |

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