XML 57 R46.htm IDEA: XBRL DOCUMENT v3.24.3
Investment Securities and Certificates of Deposit - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
Schedule Of Marketable Securities [Line Items]          
Debt Securities, Available-for-Sale, Unrealized Gain     $ 130   $ 141
Debt Securities, Available-for-Sale, Unrealized Loss     (26)   (4)
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, before Tax $ 125 $ 21 (32) $ 21  
Debt Securities, Available-for-Sale, Realized Loss     (47) (261)  
Proceeds from Sale and Maturity of Debt Securities, Available-for-Sale 187,000 250,000 934,511 1,493,992  
Certificates of Deposit, at contract value 97,676   $ 97,676   $ 54,856
Certificates of Deposit          
Schedule Of Marketable Securities [Line Items]          
Cash and Cash Equivalents Maturity     4 months    
Equity Securities [Member]          
Schedule Of Marketable Securities [Line Items]          
Marketable Security, Gain (Loss) (1) (286) $ (122) (63)  
Debt Securities Carried By EGL [Member]          
Schedule Of Marketable Securities [Line Items]          
Marketable Security, Gain (Loss) 295 129 210 147  
Investment Funds [Member]          
Schedule Of Marketable Securities [Line Items]          
Marketable Security, Gain (Loss) 9,106 (5,541) 30,217 15,515  
Investment Securities, Unrealized Gain (Loss) $ 8,836 $ (5,541) $ 19,515 $ 10,709