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Cash and Cash Equivalents (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Cash and Cash Equivalents [Line Items]    
Total cash and cash equivalents $ 129,305 $ 132,101
Cash equivalents, at carrying value 50,226 930
European Business Segment [Member]    
Cash and Cash Equivalents [Line Items]    
Net liquid assets international subsidiary regulatory capital requirements 29,156 25,988
Two Financial Institutions [Member]    
Cash and Cash Equivalents [Line Items]    
Total cash and cash equivalents $ 116,895 $ 131,104