Loans, Troubled Debt Restructuring (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013 Contract	Jun. 30, 2012 Contract	Jun. 30, 2013 Contract	Jun. 30, 2012 Contract
Financing Receivable, Modifications [Line Items]
Troubled Debt Restructurings, Number of Contracts	3	0	6	2
Troubled Debt Restructurings, Pre-Modification	$ 455	$ 0	$ 1,563	$ 284
Troubled Debt Restructurings, Post-Modification	452	0	1,534	281
Troubled Debt Restructurings That Subsequently Defaulted, Number of Contracts	0	0	0	2
Troubled Debt Restructurings That Subsequently Defaulted, Recorded Investment	0	0	0	114
Commercial [Member]
Financing Receivable, Modifications [Line Items]
Troubled Debt Restructurings, Number of Contracts	0		1
Troubled Debt Restructurings, Pre-Modification	0		84
Troubled Debt Restructurings, Post-Modification	0		81
Commercial Construction [Member]
Financing Receivable, Modifications [Line Items]
Troubled Debt Restructurings, Number of Contracts	2		2
Troubled Debt Restructurings, Pre-Modification	229		229
Troubled Debt Restructurings, Post-Modification	226		226
Troubled Debt Restructurings That Subsequently Defaulted, Number of Contracts	0	0	0	1
Troubled Debt Restructurings That Subsequently Defaulted, Recorded Investment	0	0	0	64
Commercial RE [Member]
Financing Receivable, Modifications [Line Items]
Troubled Debt Restructurings, Number of Contracts	1	0	1	1
Troubled Debt Restructurings, Pre-Modification	226	0	226	57
Troubled Debt Restructurings, Post-Modification	226	0	226	57
Residential RE [Member]
Financing Receivable, Modifications [Line Items]
Troubled Debt Restructurings, Number of Contracts	0	0	2	1
Troubled Debt Restructurings, Pre-Modification	0	0	1,024	227
Troubled Debt Restructurings, Post-Modification	0	0	1,001	224
Troubled Debt Restructurings That Subsequently Defaulted, Number of Contracts	0	0	0	1
Troubled Debt Restructurings That Subsequently Defaulted, Recorded Investment	$ 0	$ 0	$ 0	$ 50