Commitments And Contingencies (Details) $ in Thousands	Jun. 30, 2017 USD ($)
Loss Contingencies [Line Items]
Total unfunded commitments	$ 243,579
Revolving Home Equity And Credit Card Lines [Member]
Loss Contingencies [Line Items]
Total unfunded commitments	67,580
Construction [Member]
Loss Contingencies [Line Items]
Total unfunded commitments	56,560
Other Loans [Member]
Loss Contingencies [Line Items]
Total unfunded commitments	114,193
Standby Letters Of Credit [Member]
Loss Contingencies [Line Items]
Total unfunded commitments	$ 5,246