Long-term Borrowings (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015
Debt Disclosure [Abstract]
Percentage of entity's assets equal to line of credit facility (in hundredths)	30.00%
Collateral pledged under blanket floating lien agreement	$ 407,926
Long term advances with federal home loan bank [Abstract]
Advance Amount	9,980	$ 9,958
Valuation allowance, net, related to federal home loan bank, advances	20
Public deposit accounts	$ 207,740
November 2017
Long term advances with federal home loan bank [Abstract]
Due by	Nov. 30, 2017	Nov. 30, 2017
Advance Amount	$ 9,980	$ 9,958
November 2017 \| Weighted Average
Long term advances with federal home loan bank [Abstract]
Weighted Average Rate	2.98%	2.98%
Federal Home Loan Bank Advances
Long term advances with federal home loan bank [Abstract]
Collateral for deposits	$ 130,700
US government and agency securities [Member]
Long term advances with federal home loan bank [Abstract]
Collateral for deposits	$ 135,285

Refers to the percentage of company's assets equal to line of credit facility with federal home loan bank.

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- Definition

Public deposit means to accept fund from public in the form of deposit.

+ References

No definition available.

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- Definition

Refers to the valuation allowance, net, related to federal home loan bank, advances.

+ References

No definition available.

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- References

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- References

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ 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 210.5-02.22(a)(2))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Amount of securities, mortgage loans, or other financial instruments pledged as collateral for deposits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 405
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=50488274&loc=d3e64164-112818

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- Definition

Amount of the collateral pledged in support of federal home loan bank advances outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822

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- Definition

States the interest rate applicable to Federal Home Loan Bank advances outstanding as of the Balance Sheet date.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Including both current and noncurrent portions, Federal Home Loan Bank borrowings initially due beyond one year or beyond the normal operating cycle if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 470
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