Securities (Details) (USD $)	9 Months Ended
	Sep. 30, 2013 Security Bond Quarter Institute		Dec. 31, 2012	Sep. 30, 2012
Amortized cost and fair value of securities available for sale, with unrealized gains and losses [Abstract]
Amortized Cost	$ 53,325,000		$ 50,208,000
Gross Unrealized Gains	671,000		1,415,000
Gross Unrealized (Losses)	(3,896,000)		(3,531,000)
Fair Value	50,100,000		48,092,000
Available-for-sale Securities, Amortized Cost [Abstract]
Due in one year or less	1,999,000
Due after one year through five years	10,044,000
Due after five years through ten years	13,816,000
Due after ten years	27,115,000
Equity securities	351,000
Amortized Cost	53,325,000		50,208,000
Available-for-sale Securities, Fair Value [Abstract]
Due in one year or less	2,023,000
Due after one year through five years	9,961,000
Due after five years through ten years	14,111,000
Due after ten years	23,653,000
Equity securities	352,000
Fair Value	50,100,000		48,092,000
Impairment losses on securities	0
Number of securities sold	0
Number of securities called	6
Fair Value Of Securities Called	7,000,000
Fair Value of Securities Sold	0
Number of Securities Purchased	14
Fair Value of Securities Purchased	16,784,000
Securities with gross unrealized losses and fair value in a continuous unrealized loss position [Abstract]
Less than 12 months, fair value	22,925,000		2,165,000
Less than 12 months, unrealized (losses)	(475,000)		(20,000)
12 months or more, fair value	440,000		325,000
12 months or more, unrealized (losses)	(3,421,000)		(3,511,000)
Total, fair value	23,365,000		2,490,000
Total, unrealized (losses)	(3,896,000)		(3,531,000)
Number of temporarily impaired securities	4
Number of different financial institutions per bond	59
Estimated maturity	20 years
Anniversary on which securities could have been called at par	5 years
Frequency of re-pricing	3 months
Bonds classified as nonperforming	3
Fair value of bonds classified as nonperforming				128,000
Bonds classified as performing	1
Fair value of bonds classified as performing	312,000
Number of consecutive quarters that the bond has been performing	5
Additional information regarding each of the pooled trust preferred securities [Abstract]
Cost, net of OTTI loss	53,325,000		50,208,000
Cumulative amount of OTTI Loss	2,038,000
Cumulative Other Comprehensive Loss, net of tax benefit	2,257,000
Amount related to credit losses recognized in earnings [Roll Forward]
Beginning balance	2,115,000
Add: Amount related to the credit loss for which an other-than-temporary impairment was not previously recognized	0
Add: Increases to the amount related to the credit loss for which an other-than temporary impairment was previously recognized	0
Less: Realized losses for securities sold	0
Less: Securities for which the amount previously recognized in other comprehensive income was recognized in earnings because the Company intends to sell the security or more likely than not will be required to sell the security before recovery of its amortized cost basis	0
Less: Increases in cash flows expected to be collected that are recognized over the remaining life of the security (See FASB ASC 320-10-35-35)	(77,000)
Ending balance	2,038,000
Carrying value of securities pledged	43,300,000		41,500,000
Pooled trust preferred securities [Member]
Amortized cost and fair value of securities available for sale, with unrealized gains and losses [Abstract]
Amortized Cost	3,861,000
Available-for-sale Securities, Amortized Cost [Abstract]
Amortized Cost	3,861,000
Securities with gross unrealized losses and fair value in a continuous unrealized loss position [Abstract]
Number of temporarily impaired securities	(3,421,000)
Additional information regarding each of the pooled trust preferred securities [Abstract]
Cost, net of OTTI loss	3,861,000
Fair Value	440,000
Pooled trust preferred securities I [Member] | Moody's, Ca Rating [Member]
Amortized cost and fair value of securities available for sale, with unrealized gains and losses [Abstract]
Amortized Cost	357,000
Available-for-sale Securities, Amortized Cost [Abstract]
Amortized Cost	357,000
Additional information regarding each of the pooled trust preferred securities [Abstract]
Cost, net of OTTI loss	357,000
Fair Value	33,000
Percent of Underlying Collateral Performing (in hundredths)	65.10%
Percent of Underlying Collateral in Deferral (in hundredths)	5.90%
Percent of Underlying Collateral in Default (in hundredths)	29.00%
Cumulative amount of OTTI Loss	584,000
Cumulative Other Comprehensive Loss, net of tax benefit	213,000
Pooled trust preferred securities II [Member] | Moody's, Ca Rating [Member]
Amortized cost and fair value of securities available for sale, with unrealized gains and losses [Abstract]
Amortized Cost	1,610,000
Available-for-sale Securities, Amortized Cost [Abstract]
Amortized Cost	1,610,000
Additional information regarding each of the pooled trust preferred securities [Abstract]
Cost, net of OTTI loss	1,610,000
Fair Value	312,000
Percent of Underlying Collateral Performing (in hundredths)	67.90%
Percent of Underlying Collateral in Deferral (in hundredths)	11.90%
Percent of Underlying Collateral in Default (in hundredths)	20.20%
Estimated incremental defaults required to break yield	3.90%	[1]
Cumulative amount of OTTI Loss	348,000
Cumulative Other Comprehensive Loss, net of tax benefit	856,000
Pooled trust preferred securities III [Member] | Moody's, Ca Rating [Member]
Amortized cost and fair value of securities available for sale, with unrealized gains and losses [Abstract]
Amortized Cost	1,323,000
Available-for-sale Securities, Amortized Cost [Abstract]
Amortized Cost	1,323,000
Additional information regarding each of the pooled trust preferred securities [Abstract]
Cost, net of OTTI loss	1,323,000
Fair Value	60,000
Percent of Underlying Collateral Performing (in hundredths)	63.00%
Percent of Underlying Collateral in Deferral (in hundredths)	29.00%
Percent of Underlying Collateral in Default (in hundredths)	8.00%
Cumulative amount of OTTI Loss	677,000
Cumulative Other Comprehensive Loss, net of tax benefit	834,000
Pooled trust preferred securities IV [Member] | Moody's, C Rating [Member]
Amortized cost and fair value of securities available for sale, with unrealized gains and losses [Abstract]
Amortized Cost	571,000
Available-for-sale Securities, Amortized Cost [Abstract]
Amortized Cost	571,000
Additional information regarding each of the pooled trust preferred securities [Abstract]
Cost, net of OTTI loss	571,000
Fair Value	35,000
Percent of Underlying Collateral Performing (in hundredths)	67.00%
Percent of Underlying Collateral in Deferral (in hundredths)	22.00%
Percent of Underlying Collateral in Default (in hundredths)	11.00%
Cumulative amount of OTTI Loss	429,000
Cumulative Other Comprehensive Loss, net of tax benefit	354,000
Obligations of U.S. Government Corporations and Agencies [Member]
Amortized cost and fair value of securities available for sale, with unrealized gains and losses [Abstract]
Amortized Cost	42,331,000		39,240,000
Gross Unrealized Gains	373,000		794,000
Gross Unrealized (Losses)	(474,000)		(20,000)
Fair Value	42,230,000		40,014,000
Available-for-sale Securities, Amortized Cost [Abstract]
Amortized Cost	42,331,000		39,240,000
Available-for-sale Securities, Fair Value [Abstract]
Fair Value	42,230,000		40,014,000
Securities with gross unrealized losses and fair value in a continuous unrealized loss position [Abstract]
Less than 12 months, fair value	22,412,000		2,165,000
Less than 12 months, unrealized (losses)	(474,000)		(20,000)
12 months or more, fair value	0		0
12 months or more, unrealized (losses)	0		0
Total, fair value	22,412,000		2,165,000
Total, unrealized (losses)	(474,000)		(20,000)
Additional information regarding each of the pooled trust preferred securities [Abstract]
Cost, net of OTTI loss	42,331,000		39,240,000
Obligations of States and Political Subdivisions [Member]
Amortized cost and fair value of securities available for sale, with unrealized gains and losses [Abstract]
Amortized Cost	6,782,000		6,786,000
Gross Unrealized Gains	297,000		604,000
Gross Unrealized (Losses)	(1,000)		0
Fair Value	7,078,000		7,390,000
Available-for-sale Securities, Amortized Cost [Abstract]
Amortized Cost	6,782,000		6,786,000
Available-for-sale Securities, Fair Value [Abstract]
Fair Value	7,078,000		7,390,000
Securities with gross unrealized losses and fair value in a continuous unrealized loss position [Abstract]
Less than 12 months, fair value	513,000		0
Less than 12 months, unrealized (losses)	(1,000)		0
12 months or more, fair value	0		0
12 months or more, unrealized (losses)	0		0
Total, fair value	513,000		0
Total, unrealized (losses)	(1,000)		0
Additional information regarding each of the pooled trust preferred securities [Abstract]
Cost, net of OTTI loss	6,782,000		6,786,000
Corporate Bonds [Member]
Amortized cost and fair value of securities available for sale, with unrealized gains and losses [Abstract]
Amortized Cost	3,861,000		3,836,000
Gross Unrealized Gains	0		0
Gross Unrealized (Losses)	(3,421,000)		(3,511,000)
Fair Value	440,000		325,000
Available-for-sale Securities, Amortized Cost [Abstract]
Amortized Cost	3,861,000		3,836,000
Available-for-sale Securities, Fair Value [Abstract]
Fair Value	440,000		325,000
Securities with gross unrealized losses and fair value in a continuous unrealized loss position [Abstract]
Less than 12 months, fair value	0		0
Less than 12 months, unrealized (losses)	0		0
12 months or more, fair value	440,000		325,000
12 months or more, unrealized (losses)	(3,421,000)		(3,511,000)
Total, fair value	440,000		325,000
Total, unrealized (losses)	(3,421,000)		(3,511,000)
Additional information regarding each of the pooled trust preferred securities [Abstract]
Cost, net of OTTI loss	3,861,000		3,836,000
Mutual Funds [Member]
Amortized cost and fair value of securities available for sale, with unrealized gains and losses [Abstract]
Amortized Cost	351,000		346,000
Gross Unrealized Gains	1,000		17,000
Gross Unrealized (Losses)	0		0
Fair Value	352,000		363,000
Available-for-sale Securities, Amortized Cost [Abstract]
Amortized Cost	351,000		346,000
Available-for-sale Securities, Fair Value [Abstract]
Fair Value	352,000		363,000
Additional information regarding each of the pooled trust preferred securities [Abstract]
Cost, net of OTTI loss	$ 351,000		$ 346,000

[1] A break in yield for a given tranche investment means that defaults and/or deferrals have reached such a level that the specific tranche would not receive all of the contractual principal and interest cash flow by its maturity, resulting in not a temporary shortfall, but an actual loss. This column represents the percentage of additional defaults among the currently performing and deferred collateral that would