Loans Receivable and Allowance for Loan Losses (Details 3) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Commercial Credit Exposure
Loans receivable, commercial credit exposure	$ 378,419	$ 356,742
High quality (risk rating 1) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	197	44
Minimal (risk rating 2) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	53,650	44,647
Average risk (3) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	213,662	215,356
Acceptable (risk rating 4) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	82,148	64,247
Watch (risk rating 5) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	11,344	17,350
Substandard (risk rating 6) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	1,176	1,469
Impaired loans (risk rating 7) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	16,242	13,629
Commercial [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	123,729	115,929
Commercial [Member] | High quality (risk rating 1) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	197	44
Commercial [Member] | Minimal (risk rating 2) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	32,034	24,085
Commercial [Member] | Average risk (3) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	49,742	51,745
Commercial [Member] | Acceptable (risk rating 4) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	30,552	26,395
Commercial [Member] | Watch (risk rating 5) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	2,500	8,146
Commercial [Member] | Substandard (risk rating 6) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	708	654
Commercial [Member] | Impaired loans (risk rating 7) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	7,996	4,860
Commercial Real Estate [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	207,477	212,850
Commercial Real Estate [Member] | High quality (risk rating 1) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure
Commercial Real Estate [Member] | Minimal (risk rating 2) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	19,535	19,249
Commercial Real Estate [Member] | Average risk (3) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	127,406	145,673
Commercial Real Estate [Member] | Acceptable (risk rating 4) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	47,617	34,154
Commercial Real Estate [Member] | Watch (risk rating 5) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	7,306	7,572
Commercial Real Estate [Member] | Substandard (risk rating 6) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	468	815
Commercial Real Estate [Member] | Impaired loans (risk rating 7) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	5,145	5,387
Construction and Development [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	31,943	13,672
Construction and Development [Member] | High quality (risk rating 1) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure
Construction and Development [Member] | Minimal (risk rating 2) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	298	120
Construction and Development [Member] | Average risk (3) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	26,888	8,863
Construction and Development [Member] | Acceptable (risk rating 4) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	3,098	2,917
Construction and Development [Member] | Watch (risk rating 5) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	1,527	1,632
Construction and Development [Member] | Substandard (risk rating 6) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure
Construction and Development [Member] | Impaired loans (risk rating 7) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	132	140
Agricultural [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	5,533	4,254
Agricultural [Member] | High quality (risk rating 1) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure
Agricultural [Member] | Minimal (risk rating 2) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	1,718	1,115
Agricultural [Member] | Average risk (3) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	3,100	2,563
Agricultural [Member] | Acceptable (risk rating 4) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	580	424
Agricultural [Member] | Watch (risk rating 5) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	11
Agricultural [Member] | Substandard (risk rating 6) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure
Agricultural [Member] | Impaired loans (risk rating 7) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	124	152
Government [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	9,737	10,037
Government [Member] | High quality (risk rating 1) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure
Government [Member] | Minimal (risk rating 2) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	65	78
Government [Member] | Average risk (3) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	6,526	6,512
Government [Member] | Acceptable (risk rating 4) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	301	357
Government [Member] | Watch (risk rating 5) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure
Government [Member] | Substandard (risk rating 6) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure
Government [Member] | Impaired loans (risk rating 7) [Member]
Commercial Credit Exposure
Loans receivable, commercial credit exposure	$ 2,845	$ 3,090