Derivative Instruments and Hedging Activities (Schedule of the Carrying Amount and Associated Cumulative Basis Adjustment Related to the Application of Hedge Accounting) (Details) - Fair Value Hedges - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2022	Dec. 31, 2021
Interest-bearing deposits
Derivative [Line Items]
Hedge Accounting Basis Adjustment	$ 17,523	$ 20,341
Long-term debt
Derivative [Line Items]
Hedge Accounting Basis Adjustment	17,769	19,224
Interest rate contracts | Interest-bearing deposits
Derivative [Line Items]
Carrying amount of liabilities	(866,496)	(866,496)	$ 0
Hedge Accounting Basis Adjustment		20,341	0
Interest rate contracts | Long-term debt
Derivative [Line Items]
Carrying amount of liabilities	(545,520)	(545,520)	0
Hedge Accounting Basis Adjustment			0
Interest rate contracts | Short-term FHLB advances
Derivative [Line Items]
Carrying amount of liabilities	$ (350,000)	(350,000)	0
Hedge Accounting Basis Adjustment		$ 300	$ 0