XML 66 R57.htm IDEA: XBRL DOCUMENT v3.23.1
Derivative Financial Instruments and Hedging Activities - Narrative (Details) - USD ($)
Mar. 31, 2023
Dec. 31, 2022
Derivative [Line Items]    
Cash collateral received from counterparties under master netting agreements $ 53,250,000 $ 82,135,000
Securities AFS , at estimated fair value 1,437,222,000 $ 1,299,014,000
Fair Value Hedging    
Derivative [Line Items]    
Securities AFS , at estimated fair value 759,700,000  
Interest Rate Swap | Cash Flow Hedging    
Derivative [Line Items]    
Derivative, Notional Amount $ 880,000,000