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Cash and Cash Equivalents (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
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