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Troubled Debt Restructurings (Details Textual) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2017 USD ($) Investment	Jun. 30, 2017 USD ($) Investment	Dec. 31, 2016 USD ($) Investment
Troubled Debt Restructurings (Textual)
Total number of loans classified under troubled debt restructurings (TDRs) | Investment	18	18	17
Total sum of loans classified as troubled debt restructurings (TDRs)	$ 6,800	$ 6,800	$ 6,700
Number of months previous loan payment defaulted		12 months
Before loan modified investment amount	229,000
Modified investment amount	$ 238,000	$ 238,000

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- Definition

Aggregate number of loans classified under troubled debt restructurings.

+ References

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- Definition

Aggregate sum of loans classified as troubled debt restructurings.

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X

- Definition

The amount of the before recorded investment related to financing receivables that have been modified by troubled debt restructurings.

+ References

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- Definition

Number of month payment defaulted.

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- Definition

It covers narrative parts of troubled debt restructurings note.

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- Definition

The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18845-111554

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Recorded Investment
-URI http://asc.fasb.org/extlink&oid=65880944

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