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Customer Deposits - Investment Certificates (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021
Investment Certificates |  |
Amount of reserves that do not allow for a surrender charge | $ 2,200,000 | $ 2,700,000
Percentage of participation in the market index in the first option | 100.00% |
Percentage of participation in the market index in the second option | 25.00% |
Minimum |  |
Investment Certificates |  |
Amount of fixed rate investment certificates | $ 1 |
Term of fixed rate investment certificates | 3 months |
Returns on current first term stock market certificates (as a percent) | 0.85% |
Maximum |  |
Investment Certificates |  |
Amount of fixed rate investment certificates | $ 2,000 |
Term of fixed rate investment certificates | 36 months |
Returns on current first term stock market certificates (as a percent) | 4.40% |

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- Definition Amount of reserves that do not allow for a surrender charge. + References No definition available. + Details
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- Definition Period of time between issuance and maturity of investment certificates, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Represents the percentage of participation in the market index in the first option for increases in the stock market based on the S and P 500 Index. + References No definition available. + Details
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- Definition Represents the percentage of participation in the market index in the second option for increases in the stock market based on the S and P 500 Index. + References No definition available. + Details
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- Definition Represents the maximum percentage of returns on the current first term stock market certificates. + References No definition available. + Details
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