Fair Value of Assets and Liabilities - Financial Assets Measured at Fair Value on a Recurring Basis (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Securities available for sale
Securities available for sale	$ 220,834	$ 221,897
Forward sales commitments
Securities available for sale
Derivative asset	723
Recurring
Securities available for sale
Securities available for sale	220,834	221,897
Loans held for sale	41,477	28,279
Total assets measured at fair value	263,034	250,664
Recurring \| Cash Flow Hedges
Securities available for sale
Derivative asset		40
Recurring \| Interest rate lock commitments
Securities available for sale
Derivative asset		448
Recurring \| Forward sales commitments
Securities available for sale
Derivative asset	723
Recurring \| Interest Rate Swap \| Cash Flow Hedges
Liabilities:
Derivative liabilities	251	143
Level 2
Securities available for sale
Securities available for sale	220,834	221,897
Loans held for sale	41,477	28,279
Liabilities:
Derivative liabilities	251
Level 2 \| Cash Flow Hedges
Securities available for sale
Derivative asset		40
Level 2 \| Interest rate lock commitments
Securities available for sale
Derivative asset		448
Level 2 \| Forward sales commitments
Securities available for sale
Derivative asset	723
Level 2 \| Interest Rate Swap \| Cash Flow Hedges
Liabilities:
Derivative liabilities		143
Level 2 \| Recurring
Securities available for sale
Securities available for sale	220,834	221,897
Loans held for sale	41,477	28,279
Total assets measured at fair value	263,034	250,664
Level 2 \| Recurring \| Cash Flow Hedges
Securities available for sale
Derivative asset		40
Level 2 \| Recurring \| Interest rate lock commitments
Securities available for sale
Derivative asset		448
Level 2 \| Recurring \| Forward sales commitments
Securities available for sale
Derivative asset	723
Level 2 \| Recurring \| Interest Rate Swap \| Cash Flow Hedges
Liabilities:
Derivative liabilities	251	143
U.S. government agencies and corporations
Securities available for sale
Securities available for sale	20,540	22,934
U.S. government agencies and corporations \| Recurring
Securities available for sale
Securities available for sale	20,540	22,934
U.S. government agencies and corporations \| Level 2 \| Recurring
Securities available for sale
Securities available for sale	20,540	22,934
Mortgage-backed securities
Securities available for sale
Securities available for sale	68,483	67,619
Mortgage-backed securities \| Recurring
Securities available for sale
Securities available for sale	68,483	67,619
Mortgage-backed securities \| Level 2 \| Recurring
Securities available for sale
Securities available for sale	68,483	67,619
Obligations of states and political subdivisions
Securities available for sale
Securities available for sale	131,811	131,344
Obligations of states and political subdivisions \| Recurring
Securities available for sale
Securities available for sale	131,811	131,344
Obligations of states and political subdivisions \| Level 2 \| Recurring
Securities available for sale
Securities available for sale	$ 131,811	$ 131,344

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Amount of debt securities categorized neither as held-to-maturity nor trading.

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

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