Credit Quality Assessment (Credit Quality of Loan Portfolio by Segment) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Financing Receivable, Recorded Investment [Line Items]
Non-accrual loans and leases	$ 35,639	$ 30,574
Loans and leases 90 days past due	655	1
Restructured loans and leases	7,382	9,459
Total non-performing loans and leases	43,676	40,034
Other real estate owned	1,762	1,338
Total non-performing assets	45,438	41,372
Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Non-accrual loans and leases	4,151	3,400
Restructured loans and leases	1,792	2,207
Total non-performing loans and leases	5,943	5,607
Other real estate owned	39	54
Total non-performing assets	5,982	5,661
Consumer Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Non-accrual loans and leases	1,830	2,259
Loans and leases 90 days past due	6	1
Restructured loans and leases		29
Total non-performing loans and leases	1,836	2,289
Total non-performing assets	1,836	2,289
Commercial Real Estate Portfolio Segment [Member] | Commercial Acquisition, Development and Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Non-accrual loans and leases	3,792	4,127
Total non-performing loans and leases	3,792	4,127
Other real estate owned	365	365
Total non-performing assets	4,157	4,492
Commercial Real Estate Portfolio Segment [Member] | Commercial Investor Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Non-accrual loans and leases	8,210	6,802
Restructured loans and leases	2,142	852
Total non-performing loans and leases	10,352	7,654
Total non-performing assets	10,352	7,654
Commercial Real Estate Portfolio Segment [Member] | Commercial Owner Occupied Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Non-accrual loans and leases	10,742	5,936
Loans and leases 90 days past due	649
Restructured loans and leases		1,174
Total non-performing loans and leases	11,391	7,110
Total non-performing assets	11,391	7,110
Residential Real Estate Portfolio Segment [Member] | Residential Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Non-accrual loans and leases	4,417	5,735
Restructured loans and leases	3,448	5,197
Total non-performing loans and leases	7,865	10,932
Other real estate owned	1,358	919
Total non-performing assets	9,223	11,851
Residential Real Estate Portfolio Segment [Member] | Residential Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Non-accrual loans and leases	2,497	2,315
Total non-performing loans and leases	2,497	2,315
Total non-performing assets	$ 2,497	$ 2,315