Short-Term and Long-Term Borrowings (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Federal Home Loan Bank Advances [Member]
Debt Instrument [Line Items]
Long-term debt	$ 0	$ 0
Average outstanding balances	0	0
Weighted average interest rate paid (in hundredths)	0.00%	0.00%
U.S. Treasury [Member] \| Federal Funds Purchased [Member]
Short-term Debt [Line Items]
Short-term Debt	0	0
U.S. Treasury [Member] \| Secured Borrowings [Member]
Short-term Debt [Line Items]
Short-term Debt	0	0
Federal Home Loan Bank Advances [Member] \| Line of Credit [Member]
Collateral Borrowing Capacity [Abstract]
Collateral borrowing capacity	212,916
Correspondent Banks [Member] \| Line of Credit [Member]
Lines of Credit [Abstract]
Lines of credit	$ 57,000

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The Company's collateral borrowing capacity with FHLB.

+ References

No definition available.

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- Definition

For the form of debt having an initial term more than one year, average borrowings during the period.

+ References

No definition available.

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- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ 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 210.5-02.19(b),22(b))

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19

-Subparagraph a

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Number 210

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