Securities (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Available for sale [Abstract]
Amortized Cost	$ 188,356	$ 170,848
Gross Unrealized Gains	3,946	4,379
Gross Unrealized Losses	798	309
Fair Value	191,504	174,918
Amortized cost of single maturity securities available for sale [Abstract]
Due in one year or less	16,688
Due after one year through five years	12,096
Due after five years through ten years	11,987
Due after ten years	144,165
No maturity	3,420
Amortized Cost	188,356
Fair value of single maturity securities available for sale [Abstract]
Due in one year or less	16,893
Due after one year through five years	12,549
Due after five years through ten years	12,875
Due after ten years	145,931
No maturity	3,256
Fair Value	191,504	174,918
U.S. Treasury [Member]
Available for sale [Abstract]
Amortized Cost	2,005	2,010
Gross Unrealized Gains	68	140
Gross Unrealized Losses	0	0
Fair Value	2,073	2,150
Fair value of single maturity securities available for sale [Abstract]
Fair Value	2,073	2,150
U.S. Government Agencies and Corporations [Member]
Available for sale [Abstract]
Amortized Cost	128,805	94,716
Gross Unrealized Gains	1,381	1,307
Gross Unrealized Losses	622	20
Fair Value	129,564	96,003
Fair value of single maturity securities available for sale [Abstract]
Fair Value	129,564	96,003
State and Political Subdivisions [Member]
Available for sale [Abstract]
Amortized Cost	35,029	47,118
Gross Unrealized Gains	1,753	2,034
Gross Unrealized Losses	3	30
Fair Value	36,779	49,122
Fair value of single maturity securities available for sale [Abstract]
Fair Value	36,779	49,122
Mortgage-Backed Securities [Member]
Available for sale [Abstract]
Amortized Cost	4,202	7,156
Gross Unrealized Gains	367	569
Gross Unrealized Losses	0	0
Fair Value	4,569	7,725
Fair value of single maturity securities available for sale [Abstract]
Fair Value	4,569	7,725
Corporate Debt Securities [Member]
Available for sale [Abstract]
Amortized Cost	14,207	15,852
Gross Unrealized Gains	368	322
Gross Unrealized Losses	0	97
Fair Value	14,575	16,077
Fair value of single maturity securities available for sale [Abstract]
Fair Value	14,575	16,077
Federal Home Loan Bank Stock - Restricted [Member]
Available for sale [Abstract]
Amortized Cost	1,597	1,574
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	1,597	1,574
Fair value of single maturity securities available for sale [Abstract]
Fair Value	1,597	1,574
Federal Reserve Bank Stock - Restricted [Member]
Available for sale [Abstract]
Amortized Cost	92	92
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	92	92
Fair value of single maturity securities available for sale [Abstract]
Fair Value	92	92
Other Securities [Member]
Available for sale [Abstract]
Amortized Cost	2,419	2,330
Gross Unrealized Gains	9	7
Gross Unrealized Losses	173	162
Fair Value	2,255	2,175
Fair value of single maturity securities available for sale [Abstract]
Fair Value	$ 2,255	$ 2,175

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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