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Derivative Instrument and Hedging Activities (Fair Values of Derivative Instruments on the Balance Sheet) (Details) - USD ($)
$ in Thousands
Jun. 30, 2024
Dec. 31, 2023
Derivatives, Fair Value [Line Items]    
Asset derivatives $ 51,988 $ 43,506
Liability derivatives 45,284 37,521
Derivatives Designated as Hedging Instruments [Member]    
Derivatives, Fair Value [Line Items]    
Gross notional amount 105,000 105,000
Derivatives Designated as Hedging Instruments [Member] | Other Assets [Member]    
Derivatives, Fair Value [Line Items]    
Asset derivatives 6,560 5,939
Derivatives Designated as Hedging Instruments [Member] | Other Liabilities [Member]    
Derivatives, Fair Value [Line Items]    
Liability derivatives 0 0
Derivatives Not Designated as Hedging Instruments [Member]    
Derivatives, Fair Value [Line Items]    
Gross notional amount 1,218,381 1,191,307
Derivatives Not Designated as Hedging Instruments [Member] | Other Assets [Member]    
Derivatives, Fair Value [Line Items]    
Asset derivatives 45,428 37,567
Derivatives Not Designated as Hedging Instruments [Member] | Other Liabilities [Member]    
Derivatives, Fair Value [Line Items]    
Liability derivatives 45,284 37,521
Cash Flow Hedge of Interest Rate Risk [Member] | Derivatives Designated as Hedging Instruments [Member]    
Derivatives, Fair Value [Line Items]    
Gross notional amount 105,000 105,000
Cash Flow Hedge of Interest Rate Risk [Member] | Derivatives Designated as Hedging Instruments [Member] | Other Assets [Member]    
Derivatives, Fair Value [Line Items]    
Asset derivatives 6,560 5,939
Cash Flow Hedge of Interest Rate Risk [Member] | Derivatives Designated as Hedging Instruments [Member] | Other Liabilities [Member]    
Derivatives, Fair Value [Line Items]    
Liability derivatives 0 0
Interest Rate Swap [Member] | Derivatives Not Designated as Hedging Instruments [Member]    
Derivatives, Fair Value [Line Items]    
Gross notional amount [1] 1,121,873 1,104,804
Interest Rate Swap [Member] | Derivatives Not Designated as Hedging Instruments [Member] | Other Assets [Member]    
Derivatives, Fair Value [Line Items]    
Asset derivatives [1] 45,274 37,517
Interest Rate Swap [Member] | Derivatives Not Designated as Hedging Instruments [Member] | Other Liabilities [Member]    
Derivatives, Fair Value [Line Items]    
Liability derivatives [1] 45,275 37,519
Credit Contract [Member] | Derivatives Not Designated as Hedging Instruments [Member]    
Derivatives, Fair Value [Line Items]    
Gross notional amount 80,132 81,211
Credit Contract [Member] | Derivatives Not Designated as Hedging Instruments [Member] | Other Assets [Member]    
Derivatives, Fair Value [Line Items]    
Asset derivatives 0 0
Credit Contract [Member] | Derivatives Not Designated as Hedging Instruments [Member] | Other Liabilities [Member]    
Derivatives, Fair Value [Line Items]    
Liability derivatives 0 0
Mortgage Banking [Member] | Derivatives Not Designated as Hedging Instruments [Member]    
Derivatives, Fair Value [Line Items]    
Gross notional amount 16,376 5,292
Mortgage Banking [Member] | Derivatives Not Designated as Hedging Instruments [Member] | Other Assets [Member]    
Derivatives, Fair Value [Line Items]    
Asset derivatives 154 50
Mortgage Banking [Member] | Derivatives Not Designated as Hedging Instruments [Member] | Other Liabilities [Member]    
Derivatives, Fair Value [Line Items]    
Liability derivatives $ 9 $ 2
[1] The Company was holding collateral of $49.5 million and $40.4 million against its net obligations under these contracts at June 30, 2024 and December 31, 2023, respectively.