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Fair Value of Assets and Liabilities - Narrative (Details) - security | Jun. 30, 2023 | Dec. 31, 2022
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Fair Value, Inputs, Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Fair value measurement, number of debt securities | 2 | 2
Fair Value, Inputs, Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Fair value measurement, number of debt securities | 4 | 4

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