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Cash and Cash Equivalents (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
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Cash and Cash Equivalents [Line Items] |  |
Total cash and cash equivalents | $ 89,481 | $ 132,101
Cash Equivalents, at Carrying Value | 329 | 930
European Business Segment [Member] |  |
Cash and Cash Equivalents [Line Items] |  |
Net Liquid Assets International Subsidiary Regulatory Capital Requirements | 27,844 | 25,988
Two Financial Institutions [Member] |  |
Cash and Cash Equivalents [Line Items] |  |
Total cash and cash equivalents | $ 88,240 | $ 131,104

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