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Fair Value of Financial Instruments (Reconciliation Of Fair Valued Assets Measured On A Recurring Basis) (Details) - Fair Value, Inputs, Level 3 [Member] - Fair Value, Measurements, Recurring [Member] - Collateralized debt obligations [Member] - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Beginning balance $ 16,258 $ 16,230 $ 17,192 $ 13,260
Total losses realized/unrealized: Included in other comprehensive income loss (376) 862 (1,310) 3,832
Ending balance $ 15,882 $ 17,092 $ 15,882 $ 17,092