Investment Securities (Details) $ in Thousands	Dec. 31, 2016 USD ($) Securities	Dec. 31, 2015 USD ($) Securities
Amortized cost and fair value of investment securities held to maturity [Abstract]
Amortized Cost	$ 62,757	$ 76,133
Gross Unrealized Gains	352	456
Gross Unrealized Losses	282	279
Fair Value	62,827	76,310
Securities pledged as collateral for borrowings	0	0
Fair Value [Abstract]
Less than 12 Months, Fair Value	28,459	48,041
12 Months or More, Fair Value	0	0
Total, Fair Value	28,459	48,041
Unrealized Losses [Abstract]
Less than 12 Months, Unrealized Losses	282	279
12 Months or More, Unrealized Losses	0	0
Total, Unrealized Losses	282	279
Amortized Cost [Abstract]
Due in one year or less	9,003
Due from one year to five years	22,061
Due from five years to ten years	1,961
US Government sponsored mortgage-backed securities	29,732
Amortized Cost	62,757	76,133
Estimated Fair Value [Abstract]
Due in one year or less	9,031
Due from greater than one year to five years	22,194
Due from greater than five years to ten years	2,046
US Government sponsored mortgage-backed securities	29,556
Fair Value	62,827	76,310
US Treasury Securities [Member]
Amortized cost and fair value of investment securities held to maturity [Abstract]
Amortized Cost	12,998	21,057
Gross Unrealized Gains	167	276
Gross Unrealized Losses	0	8
Fair Value	13,165	$ 21,325
Number of securities in continuous unrealized loss position | Securities		4
Fair Value [Abstract]
Less than 12 Months, Fair Value	0	$ 3,992
12 Months or More, Fair Value	0	0
Total, Fair Value	0	3,992
Unrealized Losses [Abstract]
Less than 12 Months, Unrealized Losses	0	8
12 Months or More, Unrealized Losses	0	0
Total, Unrealized Losses	0	8
Amortized Cost [Abstract]
Amortized Cost	12,998	21,057
Estimated Fair Value [Abstract]
Fair Value	13,165	21,325
US Agency Securities [Member]
Amortized cost and fair value of investment securities held to maturity [Abstract]
Amortized Cost	20,027	20,011
Gross Unrealized Gains	133	139
Gross Unrealized Losses	54	76
Fair Value	$ 20,106	$ 20,074
Number of securities in continuous unrealized loss position | Securities	5	13
Fair Value [Abstract]
Less than 12 Months, Fair Value	$ 5,002	$ 12,958
12 Months or More, Fair Value	0	0
Total, Fair Value	5,002	12,958
Unrealized Losses [Abstract]
Less than 12 Months, Unrealized Losses	54	76
12 Months or More, Unrealized Losses	0	0
Total, Unrealized Losses	54	76
Amortized Cost [Abstract]
Amortized Cost	20,027	20,011
Estimated Fair Value [Abstract]
Fair Value	20,106	20,074
US Government Sponsored Mortgage-Backed Securities [Member]
Amortized cost and fair value of investment securities held to maturity [Abstract]
Amortized Cost	29,732	35,065
Gross Unrealized Gains	52	41
Gross Unrealized Losses	228	195
Fair Value	$ 29,556	$ 34,911
Number of securities in continuous unrealized loss position | Securities	11	12
Fair Value [Abstract]
Less than 12 Months, Fair Value	$ 23,457	$ 31,091
12 Months or More, Fair Value	0	0
Total, Fair Value	23,457	31,091
Unrealized Losses [Abstract]
Less than 12 Months, Unrealized Losses	228	195
12 Months or More, Unrealized Losses	0	0
Total, Unrealized Losses	228	195
Amortized Cost [Abstract]
Amortized Cost	29,732	35,065
Estimated Fair Value [Abstract]
Fair Value	$ 29,556	$ 34,911