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Investment Securities (Investments Classified by Contractual Maturity Date) (Details) - USD ($)	Jun. 30, 2017	Dec. 31, 2016
Schedule of Investments [Line Items]
Available for sale Securities, Amortized Cost, Due in 1 year or less	$ 1,293,000
Available for sale Securities, Amortized Cost, Due after 1 year but within 5 years	20,311,000
Available for sale Securities, Amortized Cost, Due after 5 years but within 10 years	47,618,000
Available for sale Securities, Amortized Cost, Due after 10 years	14,046,000
Available-for-sale Securities, Debt Maturities, Single Maturity Date, Amortized Cost Basis, Total	83,268,000
Equity Securities, Amortized Cost	1,168,000
Available-for-sale securities, Amortized Cost	112,979,000	$ 138,048,000
Available for sale Securities, Fair Value, Due in 1 year or less	1,292,000
Available for sale Securities, Fair Value, Due after 1 year but within 5 years	20,178,000
Available for sale Securities, Fair Value, Due after 5 years but within 10 years	46,801,000
Available for sale Securities, Fair Value, Due after 10 years	13,700,000
Available-for-sale Securities, Debt Maturities, Single Maturity Date, Fair Value, Total	81,971,000
Equity Securities, Fair Value	1,143,000
Available for sale Securities, Fair Value	111,353,000	133,625,000
Held-to-maturity, Due after 1 year through 5 years, Amortized Cost	14,486,000
Held-to-maturity, Due after 5 years through 10 years, Amortized Cost	5,362,000
Held-to-maturity Securities, Debt Maturities, Single Maturity Date, Amortized Cost Basis	19,848,000
Held-to-maturity securities, Amortized Cost	71,096,000	0
Held-to-maturity, Due after 1 year through 5, Fair Value	14,546,000
Held-to-maturity, Due after 5 years through 10 years, Fair Value	5,432,000
Held-to-maturity Securities, Debt Maturities, Single Maturity Date, Fair Value	19,978,000
Held-to-maturity, Fair Value	71,199,000	$ 0
Mortgage-backed securities [Member]
Schedule of Investments [Line Items]
Available for sale Securities without a Single Maturity Date, Amortized Cost	28,543,000
Available for sale securities without a Single Maturity Date, Fair Value	28,239,000
Held-to-maturity without Single Maturity Date, Amortized Cost	51,248,000
Held-to-maturity without Single Maturity Date, Fair Value	$ 51,221,000

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Fair value of held-to-maturity debt securities maturing in the second fiscal year through the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of investment in held-to-maturity debt securities with a single maturity date, after other than temporary impairment (OTTI) accretion.

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Amount of held-to-maturity debt securities at fair value that do not have a single maturity date and which the entity has decided to disclose separately rather than allocating the fair value over several maturity groupings.

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