Securities (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
Mar. 31, 2015	Dec. 31, 2014
Available-for-sale Securities:
Amortized cost	$ 201,656	$ 217,264
Gross unrealized holding gains	3,107	2,493
Gross unrealized holding losses	128	768
Fair value	204,635us-gaap_AvailableForSaleSecurities	218,989us-gaap_AvailableForSaleSecurities
Obligations of U.S. government agencies
Available-for-sale Securities:
Amortized cost	26,502	29,246
Gross unrealized holding gains	425	77
Gross unrealized holding losses	0	47
Fair value	26,927	29,276
Obligations of state and political subdivisions
Available-for-sale Securities:
Amortized cost	11,199	23,132
Gross unrealized holding gains	111	1,380
Gross unrealized holding losses	3	3
Fair value	11,307	24,509
Collateralized mortgage obligations, Government sponsored agency \| Residential Mortgage
Available-for-sale Securities:
Amortized cost	25,304	26,129
Gross unrealized holding gains	491	103
Gross unrealized holding losses	3	1
Fair value	25,792	26,231
Collateralized mortgage obligations, Government sponsored agency \| Commercial Loan
Available-for-sale Securities:
Amortized cost	62,167	61,017
Gross unrealized holding gains	807	492
Gross unrealized holding losses	7	253
Fair value	62,967	61,256
Residential mortgage-backed securities
Available-for-sale Securities:
Amortized cost	72,742	73,998
Gross unrealized holding gains	1,260	441
Gross unrealized holding losses	0	341
Fair value	74,002	74,098
Corporate debt securities
Available-for-sale Securities:
Amortized cost	500	500
Gross unrealized holding gains	0	0
Gross unrealized holding losses	75	80
Fair value	425	420
Negotiable certificates of deposit
Available-for-sale Securities:
Amortized cost	2,232	2,232
Gross unrealized holding gains	13	0
Gross unrealized holding losses	0	0
Fair value	2,245	2,232
Equity securities
Available-for-sale Securities:
Amortized cost	1,010	1,010
Gross unrealized holding gains	0	0
Gross unrealized holding losses	40	43
Fair value	$ 970	$ 967

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

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

-Publisher FASB

-Name Accounting Standards Codification

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-Section 50

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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+ References

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

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-Name Accounting Standards Codification

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Amount of unrealized gain before deducting unrealized loss on investments in debt and equity securities classified as available-for-sale securities.

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Amount of unrealized loss before deducting unrealized gain on investments in available-for-sale securities.

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