Derivatives and Hedging Activities (FV of Derivative Financial Instruments and Classification on Balance Sheet) (Details) - USD ($) $ in Thousands		Sep. 30, 2025	Dec. 31, 2024
Derivatives, Fair Value [Line Items]
Derivative Asset	[1]	$ 37,777	$ 57,294
Derivative Liability	[2]	64,163	102,677
Derivative Asset, Fair Value, Amount Offset Against Collateral	[1]	19,500	21,117
Derivative, Collateral, Obligation to Return Securities	[3]	5,993	2,894
Derivative, Collateral, Right to Reclaim Securities	[3]	5,993	2,894
Derivative, Collateral, Obligation to Return Cash		(12,284)	(33,283)
Derivative, Collateral, Right to Reclaim Cash		3,179	0
Derivative Liability, Fair Value, Amount Offset Against Collateral	[2]	54,991	99,783
Other Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value	[1]	64,520	101,234
Derivative Asset, Fair Value, Gross Asset	[1]	64,764	103,958
Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value	[2]	63,778	101,021
Liability Derivatives	[2]	73,987	123,755
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],[4]	244	2,724
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]	10,209	22,734
Loan level swaps | Other Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	[1],[4]	60,598	95,606
Loan level swaps | Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Liability Derivatives	[2],[5]	60,644	95,644
Foreign Exchange Contract [Member] | Other Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	[1]	3,161	5,424
Foreign Exchange Contract [Member] | Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Liability Derivatives	[2]	3,103	5,363
Risk Participation Agreement | Other Assets [Member]
Derivatives, Fair Value [Line Items]
Credit Risk Derivative Assets, at Fair Value	[1]	70	56
Risk Participation Agreement | Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Credit Risk Derivative Liabilities, at Fair Value	[2]	31	12
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]	582	77
Derivative Instrument Not Designated as a Hedge, Forward Sales Agreements, Asset at Fair Value	[1]	43	13
Derivative Instrument Not Designated as a Hedge, Forward Sale Hedge Commitment, Asset at Fair Value	[1]	66	58
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		0	2	[2]
Derivative Instrument Not Designated as a Hedge, Forward Sales Agreements, Liabilities at Fair Value	[2]	0	0
Derivative Instrument Not Designated as a Hedge, Forward Sale Hedge Commitment, Liability at Fair Value	[2]	0	0
CME [Member]
Derivatives, Fair Value [Line Items]
Derivative, Collateral, Obligation to Return Cash	[6]	26,987	46,664
Derivative, Collateral, Right to Reclaim Cash	[6]	$ 9,824	$ 21,078

[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 $97,000 and $1.3 million of accrued interest receivable is included in the fair value of interest rate and loan level derivative assets, respectively, at September 30, 2025, in comparison to accrued interest receivable of approximately $195,000 and $2.2 million, respectively, at December 31, 2024.

[5] Approximately $571,000 and $1.3 million of accrued interest payable is included in the fair value of interest rate and loan level derivative liabilities, respectively, at September 30, 2025, in comparison to accrued interest payable of approximately $825,000 and $2.2 million, respectively, at December 31, 2024.

[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.