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v3.23.1

Fair Value (Narrative) (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 USD ($) | Mar. 31, 2022 USD ($) | Dec. 31, 2022 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Fair Value Assets And Liabilities Transfer Level 1 To Level 3 | 0 |  | 0
Fair value assets and liabilities transfer level 3 to level 1 | 0 |  | 0
Fair value option, 90 days or more past due | $ 0 |  | $ 0
Write-downs of impaired collateral-dependent loans | 8,000 |  |
Fair Value, Measurements, Non-Recurring [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Assets or liabilities measured at fair value | 0 |  | 0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Assets measured at fair value | 0 |  | 0
Liabilities measured at fair value | 0 |  | 0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Measurements, Recurring [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Assets measured at fair value | 0 |  | 0
Liabilities measured at fair value | 0 |  | $ 0
Collateral-Dependent [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Write-downs of impaired collateral-dependent loans | $ 0 | $ 0 |

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