Fair Values of Financial Instruments (Details 4) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Assets
Cash and cash equivalents - Carrying Amount	$ 11,546	$ 11,856	$ 16,658
Securities available for sale	112,981	149,861
Loans, net - Carrying Amount	429,891	379,648
Federal bank stocks - Carrying Amount	4,240	2,406
Accrued interest receivable - Carrying Amount	1,501	1,543
Financial Assets - Carrying Amount, Total	600,595	581,909
Financial liabilities:
Deposits - Carrying Amount	489,887	501,819
Borrowed funds - Carrying Amount	49,250	21,500
Accrued interest payable - Carrying Amount	179	199
Financial Liabilities - Carrying Amount, Total	547,756	533,919
Financial assets:
Cash and cash equivalents - Fair Value	11,546	11,856
Securities available for sale - Fair Value	112,981	149,861
Loans, net - Fair Value	436,009	385,264
Federal bank stock - Fair Value	0	0
Accrued interest receivable - Fair value	1,501	1,543
Financial Assets - Fair Value, Total	562,037	545,314
Financial liabilities:
Deposits - Fair Value	491,591	504,230
Borrowed funds - Fair Value	50,636	22,338
Accrued interest payable - Fair Value	179	199
Financial Liabilities - Fair Value, Total	542,406	523,518
Fair Value, Inputs, Level 1 [Member]
Assets
Securities available for sale	3,286	3,329
Financial Assets - Carrying Amount, Total	14,896
Financial liabilities:
Financial Liabilities - Carrying Amount, Total	376,414
Financial assets:
Cash and cash equivalents - Fair Value	11,546	11,856
Securities available for sale - Fair Value	3,286	3,329
Loans, net - Fair Value	0	0
Federal bank stock - Fair Value	0	0
Accrued interest receivable - Fair value	64	30
Financial Assets - Fair Value, Total		15,215
Financial liabilities:
Deposits - Fair Value	376,409	380,685
Borrowed funds - Fair Value	0	0
Accrued interest payable - Fair Value	5	32
Financial Liabilities - Fair Value, Total		380,717
Fair Value, Inputs, Level 2 [Member]
Assets
Securities available for sale	109,621	145,634
Financial Assets - Carrying Amount, Total	109,920
Financial liabilities:
Financial Liabilities - Carrying Amount, Total	165,992
Financial assets:
Cash and cash equivalents - Fair Value	0	0
Securities available for sale - Fair Value	109,621	145,634
Loans, net - Fair Value	0	0
Federal bank stock - Fair Value	0	0
Accrued interest receivable - Fair value	299	434
Financial Assets - Fair Value, Total		146,068
Financial liabilities:
Deposits - Fair Value	115,182	123,545
Borrowed funds - Fair Value	50,636	22,338
Accrued interest payable - Fair Value	174	167
Financial Liabilities - Fair Value, Total		146,050
Fair Value, Inputs, Level 3 [Member]
Assets
Securities available for sale	74	898
Financial Assets - Carrying Amount, Total	437,221
Financial liabilities:
Financial Liabilities - Carrying Amount, Total	0
Financial assets:
Cash and cash equivalents - Fair Value	0	0
Securities available for sale - Fair Value	74	898
Loans, net - Fair Value	436,009	385,264
Federal bank stock - Fair Value	0	0
Accrued interest receivable - Fair value	1,138	1,079
Financial Assets - Fair Value, Total		387,241
Financial liabilities:
Deposits - Fair Value	0	0
Borrowed funds - Fair Value	0	0
Accrued interest payable - Fair Value	$ 0	0
Financial Liabilities - Fair Value, Total		$ 0