Securities (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Fair values of securities available-for-sale
Adjusted Amortized Costs	$ 87,557	$ 85,208
Gross Unrealized Gains	1,463	2,069
Gross Unrealized Losses	1,521	80
Fair Value	87,499	87,197
Collateralized Debt Obligations [Member]
Fair values of securities available-for-sale
Adjusted Amortized Costs	1,916
Gross Unrealized Gains	0
Gross Unrealized Losses	912
Fair Value	1,004
U.S. Government and agency obligations [Member]
Fair values of securities available-for-sale
Adjusted Amortized Costs	17,848	16,821
Gross Unrealized Gains	36	134
Gross Unrealized Losses	156	18
Fair Value	17,728	16,937
Corporate bonds [Member]
Fair values of securities available-for-sale
Adjusted Amortized Costs	6,716	5,081
Gross Unrealized Gains	57	86
Gross Unrealized Losses	58	2
Fair Value	6,715	5,165
States and municipal obligations [Member]
Fair values of securities available-for-sale
Adjusted Amortized Costs	20,612	19,874
Gross Unrealized Gains	628	918
Gross Unrealized Losses	163	31
Fair Value	21,077	20,761
Mortgage-backed securities [Member]
Fair values of securities available-for-sale
Adjusted Amortized Costs	40,465	43,432
Gross Unrealized Gains	742	931
Gross Unrealized Losses	232	29
Fair Value	$ 40,975	$ 44,334