Loans and Leases ( Troubled Debt Restructuring & Narrative) (Details 6) (USD $)	3 Months Ended		12 Months Ended
	Mar. 31, 2014 contract	Mar. 31, 2013 contract	Dec. 31, 2013
Loans and Leases and the Allowance for Loan and Lease Losses
Loans modified in a TDR	$ 55,400,000		$ 63,700,000
Available commitments under Revolving Credit Lines, Modified as TDR	3,200,000
Period of Time Monthly Payments Lowered to Accommodate Borrowers Financial Needs	2 years
Loans Modified as a TDR
Number of Contracts	69	50
Recorded Investment (as of period end)	7,776,000	2,686,000
Increase in Allowance (as of period end)	156,000	193,000
TDRs that Defaulted During the Period, Within Twelve Months of their Modification Date
Number of Contracts	9	9
Recorded Investment (as of period end)	591,000	229,000
Minimum
Loans and Leases and the Allowance for Loan and Lease Losses
Default period past due following modification of loans in TDR (in days)	60 days
Land Loan | Minimum
Loans and Leases and the Allowance for Loan and Lease Losses
Extending Balloon Payments	1 year
Land Loan | Maximum
Loans and Leases and the Allowance for Loan and Lease Losses
Period of Time Loan Being Fully Amortized	360 months
Extending Balloon Payments	3 years
Commercial
Loans Modified as a TDR
Number of Contracts	19	7
Recorded Investment (as of period end)	6,248,000	1,095,000
Increase in Allowance (as of period end)	120,000	2,000
Commercial and Industrial
Loans Modified as a TDR
Number of Contracts	18	6
Recorded Investment (as of period end)	5,883,000	100,000
Increase in Allowance (as of period end)	120,000	2,000
Commercial Mortgage
Loans Modified as a TDR
Number of Contracts	1	1
Recorded Investment (as of period end)	365,000	995,000
Increase in Allowance (as of period end)	0	0
Consumer
Loans Modified as a TDR
Number of Contracts	50	43
Recorded Investment (as of period end)	1,528,000	1,591,000
Increase in Allowance (as of period end)	36,000	191,000
TDRs that Defaulted During the Period, Within Twelve Months of their Modification Date
Number of Contracts	9	9
Recorded Investment (as of period end)	591,000	229,000
Residential Mortgage
Loans Modified as a TDR
Number of Contracts	2	3
Recorded Investment (as of period end)	733,000	1,131,000
Increase in Allowance (as of period end)	23,000	185,000
TDRs that Defaulted During the Period, Within Twelve Months of their Modification Date
Number of Contracts	2	1
Recorded Investment (as of period end)	517,000	144,000
Residential Mortgage | Maximum
Loans and Leases and the Allowance for Loan and Lease Losses
Period of Time Loan Being Fully Amortized	40 years
Home Equity
Loans Modified as a TDR
Number of Contracts	1	0
Recorded Investment (as of period end)	74,000	0
Increase in Allowance (as of period end)	1,000	0
Automobile
Loans Modified as a TDR
Number of Contracts	37	40
Recorded Investment (as of period end)	626,000	460,000
Increase in Allowance (as of period end)	9,000	6,000
TDRs that Defaulted During the Period, Within Twelve Months of their Modification Date
Number of Contracts	4	8
Recorded Investment (as of period end)	53,000	85,000
Other
Loans Modified as a TDR
Number of Contracts	10	0
Recorded Investment (as of period end)	95,000	0
Increase in Allowance (as of period end)	3,000	0
TDRs that Defaulted During the Period, Within Twelve Months of their Modification Date
Number of Contracts	3	0
Recorded Investment (as of period end)	$ 21,000	$ 0