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Fair Value of Financial Instruments - Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
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Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Available-for-sale debt securities, at fair value | $ 212,767 | $ 209,809
Other investment securities: |  |
Mutual fund - Community Reinvestment Act ("CRA") qualified | 3,400 | 3,300
Residential mortgage-backed securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Available-for-sale debt securities, at fair value | 48,715 | 49,764
Residential collateralized mortgage obligations |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Available-for-sale debt securities, at fair value | 158,189 | 160,045
Municipal securities-tax exempt |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Available-for-sale debt securities, at fair value | 5,863 |
Fair Value, Measurements, Recurring |  |
Other investment securities: |  |
Mutual fund - Community Reinvestment Act ("CRA") qualified | 3,404 | 3,330
Fair Value, Measurements, Recurring | Residential mortgage-backed securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Available-for-sale debt securities, at fair value | 48,715 | 49,764
Fair Value, Measurements, Recurring | Residential collateralized mortgage obligations |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Available-for-sale debt securities, at fair value | 158,189 | 160,045
Fair Value, Measurements, Recurring | Municipal securities-tax exempt |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Available-for-sale debt securities, at fair value | 5,863 |
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets (Level 1) |  |
Other investment securities: |  |
Mutual fund - Community Reinvestment Act ("CRA") qualified | 3,404 | 3,330
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets (Level 1) | Residential mortgage-backed securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Available-for-sale debt securities, at fair value | 0 | 0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets (Level 1) | Residential collateralized mortgage obligations |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Available-for-sale debt securities, at fair value | 0 | 0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets (Level 1) | Municipal securities-tax exempt |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Available-for-sale debt securities, at fair value | 0 |
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) |  |
Other investment securities: |  |
Mutual fund - Community Reinvestment Act ("CRA") qualified | 0 | 0
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Residential mortgage-backed securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Available-for-sale debt securities, at fair value | 48,715 | 49,764
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Residential collateralized mortgage obligations |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Available-for-sale debt securities, at fair value | 158,189 | 160,045
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Municipal securities-tax exempt |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Available-for-sale debt securities, at fair value | 5,863 |
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) |  |
Other investment securities: |  |
Mutual fund - Community Reinvestment Act ("CRA") qualified | 0 | 0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Residential mortgage-backed securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Available-for-sale debt securities, at fair value | 0 | 0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Residential collateralized mortgage obligations |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Available-for-sale debt securities, at fair value | 0 | $ 0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Municipal securities-tax exempt |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Available-for-sale debt securities, at fair value | $ 0 |

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