Investment Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Carrying value and fair value of available for sale investment securities [Abstract]
Total available for sale securities	$ 170,998	$ 224,108
Gross unrealized gains	1,185	2,205
Gross unrealized losses	(2,329)	(2,246)
Available-for-sale Securities, Total	169,854	224,067
U.S. Government Agencies [Member]
Carrying value and fair value of available for sale investment securities [Abstract]
Total available for sale securities	988	26,127
Gross unrealized losses	(22)	(564)
Available-for-sale Securities, Total	966	25,563
Mortgage-backed Securities-residential [Member]
Carrying value and fair value of available for sale investment securities [Abstract]
Total available for sale securities	6,985	11,002
Gross unrealized gains	70	106
Gross unrealized losses	(17)	(50)
Available-for-sale Securities, Total	7,038	11,058
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	146,666	170,764
Gross unrealized gains	1,022	1,524
Gross unrealized losses	(2,129)	(1,554)
Available-for-sale Securities, Total	145,559	170,734
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	2,729
Gross unrealized gains		1
Gross unrealized losses	(86)	(26)
Available-for-sale Securities, Total	4,035	2,704
Corporate Bonds [Member]
Carrying value and fair value of available for sale investment securities [Abstract]
Total available for sale securities	1,700	1,500
Gross unrealized gains	1	56
Available-for-sale Securities, Total	1,701	1,556
Municipal Bonds [Member]
Carrying value and fair value of available for sale investment securities [Abstract]
Total available for sale securities	8,691	9,910
Gross unrealized gains	92	73
Gross unrealized losses	(75)	(52)
Available-for-sale Securities, Total	8,708	9,931
Private Equity Funds [Member]
Carrying value and fair value of available for sale investment securities [Abstract]
Total available for sale securities	1,821	2,050
Gross unrealized gains		445
Available-for-sale Securities, Total	1,821	2,495
Common Stock [Member]
Carrying value and fair value of available for sale investment securities [Abstract]
Total available for sale securities	26	26
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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+ 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)
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