Derivatives and Hedging Activities (Textual) (Details) - USD ($)		12 Months Ended
		Dec. 31, 2021		Dec. 31, 2020	Dec. 31, 2019	Apr. 01, 2016
Derivative [Line Items]
Derivative, Net Liability Position, Aggregate Fair Value		$ 34,800,000		$ 79,800,000
Derivative, Collateral, Right to Reclaim Cash		33,838,000		62,460,000
Increase (Decrease) in Loans Held-for-sale		(1,679,000)		1,296,000	$ 822,000
Exposure to Institutional Counterparties		$ 28,300,000		48,800,000
Maximum length of time Company is currently hedging its exposure		7 years 2 months 12 days
Customer related positions		$ 62,400,000		127,200,000
Gain (Loss) on Sales of Loans, Net		19,900,000		30,100,000	13,200,000
Fair Value Hedges, Net		0		0	$ 0
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Loss on Termination of Derivatives, before Tax		0		(684,000)
Interest Receivable		43,700,000		36,000,000
Interest Income [Member]
Derivative [Line Items]
Interest expense		15,400,000
Interest Expense [Member]
Derivative [Line Items]
Interest expense		(238,000)
CME [Member]
Derivative [Line Items]
Derivative, Collateral, Right to Reclaim Cash	[1]	6,769,000		16,105,000
Loan level swaps
Derivative [Line Items]
Interest Receivable		1,500,000		2,000,000
Interest Payable, Current		(1,500,000)		(2,000,000)
Interest Rate Swap [Member]
Derivative [Line Items]
Interest Receivable		1,200,000		1,200,000
Interest Payable, Current		(5,000)		(81,000)
Derivative, Notional Amount		975,000,000		925,000,000
Interest rate swaps on borrowings [Member]
Derivative [Line Items]
Derivative, Notional Amount		$ 25,000,000	[2]	$ 75,000,000		$ 25,000,000

[1] 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 December 31, 2021 and 2020.

[2] Two forward starting swaps with notional amounts of $25.0 million each matured in December 2021. The Company originally entered into these swaps in April 2016 for purposes of hedging $50.0 million of existing junior subordinated dentures