5. Loans (Schedule Of Loan Maturities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan maturities, Within 1 Year	$ 115,692
Loan maturities, After 1 but within 5 Years	171,090
Loan maturities, After 5 Years	662,947
Loans due after one year with: Variable rates	100,298
Loans due after one year with: Fixed rates	733,739
Loans due after one year	834,037
Commercial Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan maturities, Within 1 Year	31,351
Loan maturities, After 1 but within 5 Years	37,753
Loan maturities, After 5 Years	19,248
Commercial Real Estate Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan maturities, Within 1 Year	32,535
Loan maturities, After 1 but within 5 Years	90,640
Loan maturities, After 5 Years	307,233
Construction And Development [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan maturities, Within 1 Year	35,864
Loan maturities, After 1 but within 5 Years	8,888
Loan maturities, After 5 Years	41,856
Residential Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan maturities, Within 1 Year	11,376
Loan maturities, After 1 but within 5 Years	18,772
Loan maturities, After 5 Years	291,048
Consumer Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan maturities, Within 1 Year	4,069
Loan maturities, After 1 but within 5 Years	14,005
Loan maturities, After 5 Years	1,815
Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan maturities, Within 1 Year	497
Loan maturities, After 1 but within 5 Years	1,032
Loan maturities, After 5 Years	$ 1,747