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Short and Long-Term Funding (Remaining Contractual Maturity of the Securities Sold Under Agreements to Repurchase) (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Agency mortgage-related securities | Maturity Overnight and on Demand [Member]    
RemainingContractualMaturityoftheSecuritiesSoldUnderAgreementtoRepurchase [Line Items]    
Repurchase agreements $ 276,169 $ 319,412