Loans Receivable and Loans Held for Sale (Details 3) - Loans receivable - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	$ 94,941	$ 48,120
Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	91,082	43,624
Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	2,236	3,556
Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	$ 1,911	$ 940
Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total
Real estate | Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	$ 32,255	$ 30,653
Real estate | Commercial | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	29,012	26,449
Real estate | Commercial | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	1,980	3,556
Real estate | Commercial | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	$ 1,263	$ 648
Real estate | Commercial | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total
Real estate | Agricultural
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	$ 40,469	$ 38,128
Real estate | Agricultural | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	39,914	$ 38,128
Real estate | Agricultural | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	165
Real estate | Agricultural | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	$ 390
Real estate | Agricultural | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total
Construction real estate | Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	$ 2,827	$ 4,035
Construction real estate | Commercial | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	$ 2,827	$ 4,035
Construction real estate | Commercial | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total
Construction real estate | Commercial | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total
Construction real estate | Commercial | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total
Operating and term | Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	$ 9,551	$ 5,718
Operating and term | Commercial | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	9,523	$ 5,426
Operating and term | Commercial | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	58
Operating and term | Commercial | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	$ 258	$ 292
Operating and term | Commercial | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total
Operating and term | Agricultural
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	$ 9,839	$ 7,714
Operating and term | Agricultural | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	9,806	$ 7,714
Operating and term | Agricultural | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	$ 33
Operating and term | Agricultural | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total
Operating and term | Agricultural | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total