Investment Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Carrying value and fair value of available for sale investment securities [Abstract]
Total available for sale securities	$ 155,377	$ 170,998
Gross unrealized gains	1,113	1,185
Gross unrealized losses	(982)	(2,329)
Available-for-sale Securities, Total	155,508	169,854
U.S. Government Agencies [Member]
Carrying value and fair value of available for sale investment securities [Abstract]
Total available for sale securities	2,128	988
Gross unrealized gains	27	0
Gross unrealized losses	(5)	(22)
Available-for-sale Securities, Total	2,150	966
Mortgage-backed Securities-residential [Member]
Carrying value and fair value of available for sale investment securities [Abstract]
Total available for sale securities	15,693	6,985
Gross unrealized gains	172	70
Gross unrealized losses	(15)	(17)
Available-for-sale Securities, Total	15,850	7,038
Collateralized Mortgage Obligations, Issued or Guaranteed by U.S. Government Agencies [Member]
Carrying value and fair value of available for sale investment securities [Abstract]
Total available for sale securities	126,671	146,666
Gross unrealized gains	771	1,022
Gross unrealized losses	(920)	(2,129)
Available-for-sale Securities, Total	126,522	145,559
Mortgage-backed Securities, Issued by Private Enterprises [Member]
Carrying value and fair value of available for sale investment securities [Abstract]
Total available for sale securities		4,121
Gross unrealized gains		0
Gross unrealized losses		(86)
Available-for-sale Securities, Total		4,035
Corporate Bonds [Member]
Carrying value and fair value of available for sale investment securities [Abstract]
Total available for sale securities	1,700	1,700
Gross unrealized gains	13	1
Gross unrealized losses	0	0
Available-for-sale Securities, Total	1,713	1,701
Municipal Bonds [Member]
Carrying value and fair value of available for sale investment securities [Abstract]
Total available for sale securities	7,453	8,691
Gross unrealized gains	130	92
Gross unrealized losses	(42)	(75)
Available-for-sale Securities, Total	7,541	8,708
Private Equity Funds [Member]
Carrying value and fair value of available for sale investment securities [Abstract]
Total available for sale securities	1,706	1,821
Gross unrealized gains	0	0
Gross unrealized losses	0	0
Available-for-sale Securities, Total	1,706	1,821
Common Stock
Carrying value and fair value of available for sale investment securities [Abstract]
Total available for sale securities	26	26
Gross unrealized gains	0	0
Gross unrealized losses	0	0
Available-for-sale Securities, Total	$ 26	$ 26

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 25
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=65884222&loc=d3e22054-111558

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (aa)
-URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27232-111563

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=66010992&loc=d3e26610-111562

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Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27161-111563

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Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27161-111563

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.2)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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