Commitments And Contingencies (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Loss Contingencies [Line Items]
Total unfunded commitments	$ 300,917,000
Operating Lease Rent Expense, Next Twelve Months	177,000
Operating Leases Rent Expense, Year Two	92,000
Operating Leases, Rent Expense, Net	66,000	$ 69,000
Revolving Home Equity And Credit Card Lines [Member]
Loss Contingencies [Line Items]
Total unfunded commitments	70,110,000
Construction [Member]
Loss Contingencies [Line Items]
Total unfunded commitments	84,705,000
Other Loans [Member]
Loss Contingencies [Line Items]
Total unfunded commitments	139,569,000
Standby Letters Of Credit [Member]
Loss Contingencies [Line Items]
Total unfunded commitments	$ 6,533,000