Derivatives and Hedging Activities (FV of Derivative Financial Instruments and Classification on Balance Sheet) (Details) - USD ($) $ in Thousands		Mar. 31, 2024	Dec. 31, 2023
Derivatives, Fair Value [Line Items]
Derivative Asset	[1]	$ 61,946	$ 55,695
Derivative Liability	[2]	119,075	108,508
Derivative Asset, Fair Value, Amount Offset Against Collateral	[1]	28,757	26,601
Derivative, Collateral, Obligation to Return Securities	[3]	6,220	12,018
Derivative, Collateral, Right to Reclaim Securities	[3]	6,220	12,018
Derivative, Collateral, Obligation to Return Cash		(26,969)	(17,076)
Derivative, Collateral, Right to Reclaim Cash		0	0
Derivative Liability, Fair Value, Amount Offset Against Collateral	[2]	112,855	96,490
Other Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value	[1]	113,047	102,021
Derivative Asset, Fair Value, Gross Asset	[1]	119,742	103,948
Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value	[2]	112,711	101,778
Liability Derivatives	[2]	151,398	133,868
Interest Rate Swap [Member] | Derivatives designated as hedges [Member] | Other Assets [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Assets, at Fair Value	[1]	6,695	1,927	[4]
Interest Rate Swap [Member] | Derivatives designated as hedges [Member] | Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Derivative Liabilities, at Fair Value	[2],[5]	38,687	32,090
Loan level swaps | Other Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	[1],[4]	111,146	99,416
Loan level swaps | Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Liability Derivatives	[2],[5]	111,252	99,551
Foreign Exchange Contract [Member] | Other Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	[1]	1,304	2,220
Foreign Exchange Contract [Member] | Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Liability Derivatives	[2]	1,265	2,183
Risk Participation Agreement | Other Assets [Member]
Derivatives, Fair Value [Line Items]
Credit Risk Derivative Assets, at Fair Value	[1]	111	200
Risk Participation Agreement | Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Credit Risk Derivative Liabilities, at Fair Value	[2]	24	44
Interest Rate Lock Commitments [Member] | Not Designated as Hedging Instrument | Other Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Instrument Not Designated as a Hedge, Interest Rate Lock Commitments, Asset at Fair Value	[1]	357	168
Derivative Instrument Not Designated as a Hedge, Forward Sales Agreements, Asset at Fair Value	[1]	129	17
Interest Rate Lock Commitments [Member] | Not Designated as Hedging Instrument | Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Instrument Not Designated as a Hedge, Interest Rate Lock Commitments, Liabilities at Fair Value		85	0	[2]
Derivative Instrument Not Designated as a Hedge, Forward Sales Agreements, Liabilities at Fair Value	[2]	0	0
CME [Member]
Derivatives, Fair Value [Line Items]
Derivative, Collateral, Obligation to Return Cash	[6]	57,796	48,253
Derivative, Collateral, Right to Reclaim Cash	[6]	$ 32,323	$ 25,360

[1] All asset derivatives are reflected in other assets on the balance sheet.

[2] All liability derivatives are reflected in other liabilities on the balance sheet.

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

[4] Approximately $426,000 and $3.2 million of accrued interest receivable is included in the fair value of interest rate and loan level derivative assets, respectively, at March 31, 2024, in comparison to accrued interest receivable of approximately $316,000 and $3.0 million, respectively, at December 31, 2023.

[5] Approximately $1.8 million and $3.2 million of accrued interest payable is included in the fair value of interest rate and loan level derivative liabilities, respectively, at March 31, 2024, in comparison to accrued interest payable of approximately $1.9 million and $3.0 million, respectively, at December 31, 2023.

[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.