Derivatives and Hedging Activities (Textual) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Derivative [Line Items]
Derivative, Net Liability Position, Aggregate Fair Value	$ 0		$ 0		$ 34,800,000
Maximum Length of Time Hedged in Interest Rate Cash Flow Hedge			6 years 8 months 12 days
Gain (Loss) on Sales of Loans, Net	(278,000)	$ 4,200,000	$ 321,000	$ 12,300,000
Exposure to Institutional Counterparties	72,900,000		72,900,000		28,300,000
Customer related positions	2,000,000		2,000,000		62,400,000
Fair Value Hedges, Net	0		0		$ 0
Change in Fair Value on Loans Held for Sale	122,000	305,000	(426,000)	(1,459,000)
Interest Receivable	$ 39,000,000	$ 29,900,000	39,000,000	$ 29,900,000
Interest Income [Member]
Derivative [Line Items]
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months			(6,100,000)
Interest Expense [Member]
Derivative [Line Items]
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months			$ (13,000)
Interest rate collars on loans [Member]
Derivative [Line Items]
Derivative, Average Cap Interest Rate	3.09%		3.09%		2.73%
Derivative, Average Floor Interest Rate	2.28%		2.28%		2.20%
Derivative, Notional Amount	$ 500,000,000		$ 500,000,000		$ 400,000,000
Loan level swaps
Derivative [Line Items]
Interest Receivable	401,000		401,000		1,500,000
Interest Payable, Current	401,000		401,000		1,500,000
Interest rate swaps on borrowings [Member]
Derivative [Line Items]
Derivative, Notional Amount	25,000,000		25,000,000		25,000,000
Interest rate swaps on loans [Member]
Derivative [Line Items]
Interest Receivable	532,000		532,000
Derivative, Notional Amount	700,000,000		700,000,000		550,000,000
Interest Rate Swap [Member]
Derivative [Line Items]
Interest Receivable	306,000		306,000		1,200,000
Interest Payable, Current					5,000
Derivative, Notional Amount	$ 1,225,000,000		$ 1,225,000,000		$ 975,000,000