Loans Receivable and Loans Held for Sale (Details 1) - Loans receivable - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	$ 174,888	$ 181,607
Total past due	5,458	2,946
Total	180,346	184,553
30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due	2,708	1,416
60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due	898	520
Loans Past Due 90 Days or More
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due	$ 1,852	$ 1,010
Nonperforming loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current
Total past due	$ 1,852	$ 1,010
Total	$ 1,852	$ 1,010
Nonperforming loans | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due
Nonperforming loans | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due
Nonperforming loans | Loans Past Due 90 Days or More
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due	$ 1,852	$ 1,010
Home equity, home improvement and second mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	31,183	32,291
Total past due	406	450
Total	31,589	32,741
Home equity, home improvement and second mortgages | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due	262	193
Home equity, home improvement and second mortgages | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due	62	2
Home equity, home improvement and second mortgages | Loans Past Due 90 Days or More
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due	82	255
Vehicle
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	1,939	1,661
Total past due	40	10
Total	1,979	1,671
Vehicle | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due	$ 5	8
Vehicle | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due		1
Vehicle | Loans Past Due 90 Days or More
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due	$ 35	1
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	6,228	6,243
Total past due	55	36
Total	6,283	6,279
Consumer | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due	$ 26	26
Consumer | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due		$ 10
Consumer | Loans Past Due 90 Days or More
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due	$ 29
Residential | Real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	52,122	$ 54,698
Total past due	3,173	1,976
Total	55,295	56,674
Residential | Real estate | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due	1,375	782
Residential | Real estate | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due	719	507
Residential | Real estate | Loans Past Due 90 Days or More
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due	1,079	687
Residential | Construction real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	$ 1,061	$ 940
Total past due
Total	$ 1,061	$ 940
Residential | Construction real estate | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due
Residential | Construction real estate | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due
Residential | Construction real estate | Loans Past Due 90 Days or More
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due
Commercial | Real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	$ 31,653	$ 30,653
Total past due	923
Total	32,576	$ 30,653
Commercial | Real estate | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due	$ 923
Commercial | Real estate | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due
Commercial | Real estate | Loans Past Due 90 Days or More
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due
Commercial | Construction real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	$ 1,154	$ 4,035
Total past due
Total	$ 1,154	$ 4,035
Commercial | Construction real estate | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due
Commercial | Construction real estate | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due
Commercial | Construction real estate | Loans Past Due 90 Days or More
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due
Commercial | Operating and term
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	$ 6,659	$ 5,569
Total past due	180	149
Total	$ 6,839	5,718
Commercial | Operating and term | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due		$ 82
Commercial | Operating and term | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due	$ 117
Commercial | Operating and term | Loans Past Due 90 Days or More
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due	63	$ 67
Agricultural | Real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	36,064	37,843
Total past due	681	285
Total	36,745	38,128
Agricultural | Real estate | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due	$ 117	$ 285
Agricultural | Real estate | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due
Agricultural | Real estate | Loans Past Due 90 Days or More
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due	$ 564
Agricultural | Operating and term
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current	$ 6,825	$ 7,674
Total past due		40
Total	$ 6,825	7,714
Agricultural | Operating and term | 30-59 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due		$ 40
Agricultural | Operating and term | 60-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due
Agricultural | Operating and term | Loans Past Due 90 Days or More
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total past due