Derivatives and Hedging Activities (FV of Derivative Financial Instruments and Classification on Balance Sheet) (Details) - USD ($) $ in Thousands		Mar. 31, 2022	Dec. 31, 2021
Derivatives, Fair Value [Line Items]
Derivative Asset	[1]	$ 34,351	$ 92,185
Derivative Liability	[2]	59,406	69,246
Derivative Asset, Fair Value, Amount Offset Against Collateral	[1]	24,289	69,807
Derivative, Collateral, Obligation to Return Securities	[3]	10,062	22,378
Derivative, Collateral, Right to Reclaim Securities	[3]	10,062	22,378
Derivative, Collateral, Obligation to Return Cash		0	0
Derivative, Collateral, Right to Reclaim Cash		4,587	33,838
Derivative Liability, Fair Value, Amount Offset Against Collateral	[2]	44,757	13,030
Other Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value	[1]	56,973	75,961
Derivative Asset, Fair Value, Gross Asset	[1]	62,244	97,912
Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value	[2]	56,407	74,983
Liability Derivatives	[2]	65,884	76,015
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]	5,271	21,951
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]	9,477	1,032
Loan level swaps | Other Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	[1],[4]	50,418	68,726
Loan level swaps | Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Liability Derivatives	[2],[5]	50,418	68,724
Foreign Exchange Contract [Member] | Other Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Gross Asset	[1]	6,007	6,147
Foreign Exchange Contract [Member] | Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Liability Derivatives	[2]	5,935	6,147
Risk Participation Agreement | Other Assets [Member]
Derivatives, Fair Value [Line Items]
Credit Risk Derivative Assets, at Fair Value	[1]	215	279
Risk Participation Agreement | Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Credit Risk Derivative Liabilities, at Fair Value	[2]	54	55
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]	58	753
Derivative Instrument Not Designated as a Hedge, Forward Sales Agreements, Asset at Fair Value	[1]	27	56
Derivative Instrument Not Designated as a Hedge, Forward Sale Hedge Commitment, Asset at Fair Value	[1]	248	0
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	[2]	0	0
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	57
CME [Member]
Derivatives, Fair Value [Line Items]
Derivative, Collateral, Obligation to Return Cash	[6]	27,893	5,727
Derivative, Collateral, Right to Reclaim Cash	[6]	$ 6,478	$ 6,769

[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 $878,000 and $226,000 of accrued interest receivable is included in the fair value of the interest rate and loan level asset derivatives, respectively, as of March 31, 2022, in comparison to accrued interest receivable of approximately $1.2 million and $1.5 million, respectively, as of December 31, 2021.

[5] As of March 31, 2022, approximately $216,000 of accrued interest receivable is included in the fair value of interest rate derivative liabilities and approximately $225,000 of accrued interest payable is included in the fair value of loan level liability derivatives. Accrued interest payable of approximately $5,000 and $1.5 million is included in the fair value of the interest rate and loan level derivative liabilities, respectively, as of December 31, 2021.

[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. As displayed in the table above, derivatives that cleared through the CME were either in a net asset position or a net liability position as of March 31, 2022.