Derivatives and Hedging Activities (FV of Derivative Financial Instruments and Classification on Balance Sheet) (Details) - USD ($) $ in Thousands		Dec. 31, 2023	Dec. 31, 2022		Dec. 31, 2021
Fair value of derivative financial instruments as well as their classification on the balance sheet
Derivative Liability, Fair Value, Amount Offset Against Collateral		$ 96,490	$ 126,647
Derivative, Collateral, Obligation to Return Cash		17,076	17,720
Derivative Asset, Fair Value, Amount Offset Against Collateral		26,601	32,435
Interest Receivable		60,200	50,800		$ 43,700
Derivative, Collateral, Obligation to Return Securities	[1]	12,018	20,019
Derivative, Collateral, Right to Reclaim Cash		0	0
Derivative, Collateral, Right to Reclaim Securities	[1]	12,018	20,019
Derivative Asset, Subject to Master Netting Arrangement, after Offset		55,695	70,174
Derivative Liability, Subject to Master Netting Arrangement, after Offset		108,508	146,666
Other Assets [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value		102,021	127,958
Total		103,948	127,958
Other Liabilities [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value		101,778	127,667
Total		133,868	179,911
Interest rate derivatives
Fair value of derivative financial instruments as well as their classification on the balance sheet
Interest Receivable		316
Interest rate derivatives | Derivatives designated as hedges: [Member] | Other Assets [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Interest Rate Derivative Assets, at Fair Value	[2],[3]	1,927	0
Interest rate derivatives | Derivatives designated as hedges: [Member] | Other Liabilities [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Interest rate derivatives	[4],[5]	32,090	52,244
Loan level swaps
Fair value of derivative financial instruments as well as their classification on the balance sheet
Interest Receivable		3,000	2,200
Loan level swaps | Other Assets [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Total	[2],[3]	99,416	123,372
Loan level swaps | Other Liabilities [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Total	[4],[5]	99,551	123,374
Foreign exchange contracts | Other Assets [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Total		2,220	4,352	[2]
Foreign exchange contracts | Other Liabilities [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Total		2,183	4,278	[4]
Mortgage Derivatives | Derivatives not designated as hedges: [Member] | Other Assets [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Forward sale hedge commitments	[2]	17	30
Interest rate lock commitments	[2]	168	43
Mortgage Derivatives | Derivatives not designated as hedges: [Member] | Other Liabilities [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Interest rate lock commitments	[4]	0	0
Forward sale hedge commitments	[4]	0	0
CME [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Derivative, Collateral, Obligation to Return Cash	[6]	(48,253)	(57,784)
Derivative, Collateral, Right to Reclaim Cash	[6]	25,360	33,245
Risk Participation Agreement [Member] | Other Assets [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Credit Risk Derivative Assets, at Fair Value	[2]	200	161
Risk Participation Agreement [Member] | Other Liabilities [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Credit Risk Derivative Liabilities, at Fair Value	[4]	44	15
Derivative Financial Instruments, Assets [Member] | Fair Value, Recurring [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Total		103,948	127,958
Derivative Financial Instruments, Assets [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Fair value of derivative financial instruments as well as their classification on the balance sheet
Total		$ 103,948	$ 127,958

[1] Reflects offsetting derivative positions with the same counterparty that are not netted on the balance sheet.

[2] All asset derivatives are located in other assets on the balance sheet

[3] As of December 31, 2023, approximately $316,000 and $3.0 million of accrued interest receivable is included in the fair value of interest rate and loan level derivative assets, respectively. Accrued interest receivable of approximately $2.2 million is included in the fair value of loan level derivative assets at December 31, 2022.

[4] All liability derivatives are located in other liabilities on the balance sheet

[5] Approximately $1.9 million and $3.0 million of accrued interest payable is included in the fair value of interest rate and loan level derivative liabilities, respectively, at December 31, 2023, in comparison to accrued interest payable of approximately $1.3 million and $2.2 million, respectively, at December 31, 2022.

[6] Netting adjustments represent the amounts recorded to convert derivative assets and liabilities cleared through CME from a gross basis to a net basis, inclusive of the variation margin payments, in accordance with applicable accounting guidance.