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Investment Securities - Summary of Gross Unrealized Losses and Fair Value (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
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Debt Securities, Available-for-sale [Line Items] |  |
Available-for-sale Securities, Less than 12 Months, Fair Value | $ 59,794 | $ 26,609
Available-for-sale Securities, Less than 12 Months, Unrealized Losses | (2,760) | (304)
Available-for-sale Securities, 12 Months or Longer, Fair Value | 8,482 | 5,771
Available-for-sale Securities, 12 Months or Longer, Unrealized Losses | (577) | (117)
Available-for-sale Securities, Fair Value, Total | 68,276 | 32,380
Available-for-sale Securities, Unrealized Losses, Total | (3,337) | (421)
Small Business Administration Loan Pools [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Available-for-sale Securities, Less than 12 Months, Fair Value | 0 | 0
Available-for-sale Securities, Less than 12 Months, Unrealized Losses | 0 | 0
Available-for-sale Securities, 12 Months or Longer, Fair Value | 1,003 | 1,084
Available-for-sale Securities, 12 Months or Longer, Unrealized Losses | (17) | (15)
Available-for-sale Securities, Fair Value, Total | 1,003 | 1,084
Available-for-sale Securities, Unrealized Losses, Total | (17) | (15)
Obligations of state and political subdivisions [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Available-for-sale Securities, Less than 12 Months, Fair Value | 20,484 | 3,189
Available-for-sale Securities, Less than 12 Months, Unrealized Losses | (1,242) | (38)
Available-for-sale Securities, 12 Months or Longer, Fair Value | 343 | 0
Available-for-sale Securities, 12 Months or Longer, Unrealized Losses | (90) | 0
Available-for-sale Securities, Fair Value, Total | 20,827 | 3,189
Available-for-sale Securities, Unrealized Losses, Total | (1,332) | (38)
Mortgage-backed securities in government-sponsored entities [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Available-for-sale Securities, Less than 12 Months, Fair Value | 39,310 | 23,420
Available-for-sale Securities, Less than 12 Months, Unrealized Losses | (1,518) | (266)
Available-for-sale Securities, 12 Months or Longer, Fair Value | 7,136 | 4,687
Available-for-sale Securities, 12 Months or Longer, Unrealized Losses | (470) | (102)
Available-for-sale Securities, Fair Value, Total | 46,446 | 28,107
Available-for-sale Securities, Unrealized Losses, Total | (1,988) | $ (368)
Corporate Debentures [Member] |  |
Debt Securities, Available-for-sale [Line Items] |  |
Held-to-maturity Securities, Less than 12 Months, Fair Value | 1,981 |
Held-to-maturity Securities, Less than 12 Months, Unrealized Losses | (19) |
Held-to-maturity Securities, 12 Months or Longer, Fair Value | 0 |
Held-to-maturity Securities, 12 Months or Longer, Unrealized Losses | 0 |
Held-to-maturity Securities, Fair Value, Total | 1,981 |
Held-to-maturity Securities, Unrealized Losses, Total | $ 19 |

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