Loans, Troubled Debt Restructuring (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2012
Financing Receivable, Modifications [Line Items]
Troubled Debt Restructurings, # of Contracts	2	4
Troubled Debt Restructurings, Pre-Modification	$ 248	$ 703
Troubled Debt Restructurings, Post-Modification	248	702
Troubled Debt Restructurings That Subsequently Defaulted, # of Contracts	0	2
Troubled Debt Restructurings That Subsequently Defaulted, Recorded Investment	0	114
Commercial RE [Member]
Financing Receivable, Modifications [Line Items]
Troubled Debt Restructurings, # of Contracts	0	1
Troubled Debt Restructurings, Pre-Modification	0	57
Troubled Debt Restructurings, Post-Modification	0	57
Residential RE [Member]
Financing Receivable, Modifications [Line Items]
Troubled Debt Restructurings, # of Contracts	2	3
Troubled Debt Restructurings, Pre-Modification	248	646
Troubled Debt Restructurings, Post-Modification	248	645
Troubled Debt Restructurings That Subsequently Defaulted, # of Contracts	0	1
Troubled Debt Restructurings That Subsequently Defaulted, Recorded Investment	0	50
Commercial Construction [Member]
Financing Receivable, Modifications [Line Items]
Troubled Debt Restructurings That Subsequently Defaulted, # of Contracts	0	1
Troubled Debt Restructurings That Subsequently Defaulted, Recorded Investment	$ 0	$ 64