Derivatives and Hedging Activities (Textual) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Derivative [Line Items]
Derivative, Net Liability Position, Aggregate Fair Value	$ 490,000		$ 176,000
Maximum Length of Time Hedged in Interest Rate Cash Flow Hedge	4 years 9 months 18 days
Gain (Loss) on Sales of Loans, Net	$ 705,000	$ 782,000
Exposure to Institutional Counterparties	17,400,000		18,400,000
Amortization Of Deferred Hedge Gains Losses	0	61,000
Customer related positions	13,800,000		6,400,000
Notional amount of fair value hedged derivative	0		$ 0
Change in Fair Value on Loans Held for Sale	$ 1,000	$ (26,000)
Interest rate collars on loans [Member]
Derivative [Line Items]
Derivative, Average Cap Interest Rate	3.02%		3.02%
Derivative, Average Floor Interest Rate	2.51%		2.51%
Derivative, Notional Amount	$ 250,000,000		$ 250,000,000
Interest Income [Member]
Derivative [Line Items]
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months	1,300,000
Interest Expense [Member]
Derivative [Line Items]
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months	$ 725,000