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Investment Securities (Details Textual) $ in Thousands	3 Months Ended
	Mar. 31, 2017 USD ($) Investment	Mar. 31, 2016 USD ($)	Dec. 31, 2016 USD ($) Investment
Investment Securities (Textual)
Sale of investment securities		$ 12,200
Gain on sale of investment securities		$ 307
Fair market value, less than 12 months	43,300
Fair market value, 12 months or longer	5,100
Securities pledged as collateral for repurchase agreements from brokers			$ 21,000
Securities pledged to secure client deposit	$ 20,700		$ 21,100
Number of investments, less than 12 months | Investment	54		63
Number of investments, 12 months or longer | Investment	3		2

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- Definition

Investment securities.

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- Definition

Investments with a fair market value in continuous unrealized loss position for less than twelve months.

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- Definition

Investments with a fair market value In continuous unrealized loss position twelve months or longer.

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- Definition

Number of investments in continuous unrealized loss position, less than twelve months.

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Number of investments in continuous unrealized loss position twelve months or longer.

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- Definition

Securities pledged to secure client deposit.

+ References

No definition available.

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- Definition

The fair value of available-for-sale securities that serve as collateral for borrowings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=66008989&loc=d3e5086-111524

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- Definition

The difference between the carrying value and the sale price of an investment. A gain would be recognized when the sale price of the investment is greater than the carrying value of the investment. This element refers to the Gain included in earnings and not to the cash proceeds of the sale.

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- Definition

The cash inflow associated with the sale of debt securities classified as available-for-sale securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=66010992&loc=d3e26853-111562

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

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