Fair Value Measurements, Recurring and Nonrecurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	$ 162,219	$ 214,192
US Government Agencies Debt Securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	4,004	24,240
US States and Political Subdivisions Debt Securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	71,401	78,433
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	82,504	107,396
Money market investments [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	564	631
Corporate bond and other securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	3,611	3,393
Recurring [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	162,219	214,192
Recurring [Member] | US Government Agencies Debt Securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	4,004	24,240
Recurring [Member] | US States and Political Subdivisions Debt Securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	71,401	78,433
Recurring [Member] | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	82,504	107,396
Recurring [Member] | Money market investments [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	564	631
Recurring [Member] | Corporate bond and other securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	3,611	3,393
Recurring [Member] | Equity Securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	135	99
Nonrecurring [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Loans, net of allowances for loan losses	2,338	1,281
Other Assets, Fair Value Disclosure	1,014	2,741
Nonrecurring [Member] | Total Mortgage Loans on real estate [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Loans, net of allowances for loan losses	1,679	1,281
Nonrecurring [Member] | Residential Mortgage [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Loans, net of allowances for loan losses	540	952
Nonrecurring [Member] | Commercial Real Estate [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Loans, net of allowances for loan losses	1,030	267
Nonrecurring [Member] | Construction Loans [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Loans, net of allowances for loan losses	62	62
Nonrecurring [Member] | Second Mortgage [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Loans, net of allowances for loan losses	47
Nonrecurring [Member] | Commercial Loan [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Loans, net of allowances for loan losses	597
Nonrecurring [Member] | Consumer Loan [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Loans, net of allowances for loan losses	62
Nonrecurring [Member] | Foreclosed Assets, Commercial [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Other Assets, Fair Value Disclosure		927
Nonrecurring [Member] | Foreclosed Assets, Construction [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Other Assets, Fair Value Disclosure	940	1,090
Nonrecurring [Member] | Foreclosed Assets, Residential 1 to 4 Family [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Other Assets, Fair Value Disclosure	74	724
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	0	0
Loans, net of allowances for loan losses	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Recurring [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Recurring [Member] | US Government Agencies Debt Securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Recurring [Member] | US States and Political Subdivisions Debt Securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Recurring [Member] | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Recurring [Member] | Money market investments [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Recurring [Member] | Corporate bond and other securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Recurring [Member] | Equity Securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Nonrecurring [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Loans, net of allowances for loan losses	0	0
Other Assets, Fair Value Disclosure	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Nonrecurring [Member] | Total Mortgage Loans on real estate [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Loans, net of allowances for loan losses	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Nonrecurring [Member] | Residential Mortgage [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Loans, net of allowances for loan losses	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Nonrecurring [Member] | Commercial Real Estate [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Loans, net of allowances for loan losses	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Nonrecurring [Member] | Construction Loans [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Loans, net of allowances for loan losses	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Nonrecurring [Member] | Second Mortgage [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Loans, net of allowances for loan losses	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Nonrecurring [Member] | Commercial Loan [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Loans, net of allowances for loan losses	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Nonrecurring [Member] | Consumer Loan [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Loans, net of allowances for loan losses	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Nonrecurring [Member] | Foreclosed Assets, Commercial [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Other Assets, Fair Value Disclosure		0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Nonrecurring [Member] | Foreclosed Assets, Construction [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Other Assets, Fair Value Disclosure	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Nonrecurring [Member] | Foreclosed Assets, Residential 1 to 4 Family [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Other Assets, Fair Value Disclosure	0	0
Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	162,219	214,192
Loans, net of allowances for loan losses	0	0
Significant Other Observable Inputs (Level 2) [Member] | Recurring [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	162,219	214,192
Significant Other Observable Inputs (Level 2) [Member] | Recurring [Member] | US Government Agencies Debt Securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	4,004	24,240
Significant Other Observable Inputs (Level 2) [Member] | Recurring [Member] | US States and Political Subdivisions Debt Securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	71,401	78,433
Significant Other Observable Inputs (Level 2) [Member] | Recurring [Member] | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	82,504	107,396
Significant Other Observable Inputs (Level 2) [Member] | Recurring [Member] | Money market investments [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	564	631
Significant Other Observable Inputs (Level 2) [Member] | Recurring [Member] | Corporate bond and other securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	3,611	3,393
Significant Other Observable Inputs (Level 2) [Member] | Recurring [Member] | Equity Securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	135	99
Significant Other Observable Inputs (Level 2) [Member] | Nonrecurring [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Loans, net of allowances for loan losses	0	0
Other Assets, Fair Value Disclosure	0	0
Significant Other Observable Inputs (Level 2) [Member] | Nonrecurring [Member] | Total Mortgage Loans on real estate [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Loans, net of allowances for loan losses	0	0
Significant Other Observable Inputs (Level 2) [Member] | Nonrecurring [Member] | Residential Mortgage [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Loans, net of allowances for loan losses	0	0
Significant Other Observable Inputs (Level 2) [Member] | Nonrecurring [Member] | Commercial Real Estate [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Loans, net of allowances for loan losses	0	0
Significant Other Observable Inputs (Level 2) [Member] | Nonrecurring [Member] | Construction Loans [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Loans, net of allowances for loan losses	0	0
Significant Other Observable Inputs (Level 2) [Member] | Nonrecurring [Member] | Second Mortgage [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Loans, net of allowances for loan losses	0
Significant Other Observable Inputs (Level 2) [Member] | Nonrecurring [Member] | Commercial Loan [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Loans, net of allowances for loan losses	0
Significant Other Observable Inputs (Level 2) [Member] | Nonrecurring [Member] | Consumer Loan [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Loans, net of allowances for loan losses	0
Significant Other Observable Inputs (Level 2) [Member] | Nonrecurring [Member] | Foreclosed Assets, Commercial [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Other Assets, Fair Value Disclosure		0
Significant Other Observable Inputs (Level 2) [Member] | Nonrecurring [Member] | Foreclosed Assets, Construction [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Other Assets, Fair Value Disclosure	0	0
Significant Other Observable Inputs (Level 2) [Member] | Nonrecurring [Member] | Foreclosed Assets, Residential 1 to 4 Family [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Other Assets, Fair Value Disclosure	0	0
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	0	0
Loans, net of allowances for loan losses	591,152	559,488
Significant Unobservable Inputs (Level 3) [Member] | Recurring [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	0	0
Significant Unobservable Inputs (Level 3) [Member] | Recurring [Member] | US Government Agencies Debt Securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	0	0
Significant Unobservable Inputs (Level 3) [Member] | Recurring [Member] | US States and Political Subdivisions Debt Securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	0	0
Significant Unobservable Inputs (Level 3) [Member] | Recurring [Member] | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	0	0
Significant Unobservable Inputs (Level 3) [Member] | Recurring [Member] | Money market investments [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	0	0
Significant Unobservable Inputs (Level 3) [Member] | Recurring [Member] | Corporate bond and other securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	0	0
Significant Unobservable Inputs (Level 3) [Member] | Recurring [Member] | Equity Securities [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Securities available-for-sale, at fair value	0	0
Significant Unobservable Inputs (Level 3) [Member] | Nonrecurring [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Loans, net of allowances for loan losses	2,338	1,281
Other Assets, Fair Value Disclosure	1,014	2,741
Significant Unobservable Inputs (Level 3) [Member] | Nonrecurring [Member] | Total Mortgage Loans on real estate [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Loans, net of allowances for loan losses	1,679	1,281
Significant Unobservable Inputs (Level 3) [Member] | Nonrecurring [Member] | Residential Mortgage [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Loans, net of allowances for loan losses	540	952
Significant Unobservable Inputs (Level 3) [Member] | Nonrecurring [Member] | Commercial Real Estate [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Loans, net of allowances for loan losses	1,030	267
Significant Unobservable Inputs (Level 3) [Member] | Nonrecurring [Member] | Construction Loans [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Loans, net of allowances for loan losses	62	62
Significant Unobservable Inputs (Level 3) [Member] | Nonrecurring [Member] | Second Mortgage [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Loans, net of allowances for loan losses	47
Significant Unobservable Inputs (Level 3) [Member] | Nonrecurring [Member] | Commercial Loan [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Loans, net of allowances for loan losses	597
Significant Unobservable Inputs (Level 3) [Member] | Nonrecurring [Member] | Consumer Loan [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Loans, net of allowances for loan losses	62
Significant Unobservable Inputs (Level 3) [Member] | Nonrecurring [Member] | Foreclosed Assets, Commercial [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Other Assets, Fair Value Disclosure		927
Significant Unobservable Inputs (Level 3) [Member] | Nonrecurring [Member] | Foreclosed Assets, Construction [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Other Assets, Fair Value Disclosure	940	1,090
Significant Unobservable Inputs (Level 3) [Member] | Nonrecurring [Member] | Foreclosed Assets, Residential 1 to 4 Family [Member]
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Other Assets, Fair Value Disclosure	$ 74	$ 724