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v3.23.1

Securities (Narrative) (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 USD ($) security | Mar. 31, 2022 USD ($) | Dec. 31, 2022 security
Schedule of Available-for-sale Securities [Line Items] |  |  |
Other-than-temporary impairment | $ | $ 0 | $ 0 |
Sales of securities | $ | $ 0 | $ 0 |
Holdings of securities greater than 10% of stockholders' equity | 0 |  | 0
Minimum percentage of securities held | 10.00% |  | 10.00%
Corporate Debt [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Number of securities | 1 |  | 1
Mortgage-Backed Securities - Residential [Member] |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Number of securities | 2 |  | 2

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