Regulatory Matters (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Total risk-based capital
Actual Amount	$ 287,402us-gaap_Capital	$ 280,228us-gaap_Capital
Actual Ratio (as a percent)	13.82%us-gaap_CapitalToRiskWeightedAssets	13.86%us-gaap_CapitalToRiskWeightedAssets
Minimum for adequately capitalized Amount	166,369	161,748
Minimum for adequately capitalized Ratio (as a percent)	8.00%	8.00%
Common Equity Tier I risk-based capital
Actual Amount	262,520
Actual Ratio (as a percent)	12.63%
Minimum for adequately capitalized Amount	93,534
Minimum for adequately capitalized Ratio (as a percent)	4.50%
Tier I risk-based capital
Actual Amount	262,520us-gaap_TierOneRiskBasedCapital	255,308us-gaap_TierOneRiskBasedCapital
Actual Ratio (as a percent)	12.63%	12.63%
Minimum for adequately capitalized Amount	124,713	80,858
Minimum for adequately capitalized Ratio (as a percent)	6.00%	4.00%
Leverage
Actual Amount	262,520us-gaap_TierOneLeverageCapital	255,308us-gaap_TierOneLeverageCapital
Actual Ratio (as a percent)	10.41%	10.26%
Minimum for adequately capitalized Amount	100,872	74,651
Minimum for adequately capitalized Ratio (as a percent)	4.00%	3.00%
Bank
Total risk-based capital
Actual Amount	281,890	274,345
Actual Ratio (as a percent)	13.58%	13.59%
Minimum for adequately capitalized Amount	166,062	161,498
Minimum for adequately capitalized Ratio (as a percent)	8.00%	8.00%
Minimum for well capitalized Amount	207,577	201,873
Minimum for well capitalized Ratio (as a percent)	10.00%	10.00%
Common Equity Tier I risk-based capital
Actual Amount	257,008
Actual Ratio (as a percent)	12.38%
Minimum for adequately capitalized Amount	93,420
Minimum for adequately capitalized Ratio (as a percent)	4.50%
Minimum for well capitalized Amount	124,560
Minimum for well capitalized Ratio (as a percent)	6.00%
Tier I risk-based capital
Actual Amount	257,008	249,425
Actual Ratio (as a percent)	12.38%	12.36%
Minimum for adequately capitalized Amount	124,560	80,720
Minimum for adequately capitalized Ratio (as a percent)	6.00%	4.00%
Minimum for well capitalized Amount	124,560	121,080
Minimum for well capitalized Ratio (as a percent)	6.00%	6.00%
Leverage
Actual Amount	257,008	249,425
Actual Ratio (as a percent)	10.21%	10.04%
Minimum for adequately capitalized Amount	100,689	74,529
Minimum for adequately capitalized Ratio (as a percent)	4.00%	3.00%
Minimum for well capitalized Amount	$ 125,861	$ 124,216
Minimum for well capitalized Ratio (as a percent)	5.00%	5.00%

Common Equity Tier 1 Risk Based Capital as defined in the regulations.

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The minimum amount of Common Equity Tier 1 Risk Based Capital required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The minimum Common Equity Tier One Capital Ratio required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The amount of Common Equity Tier 1 Risk Based Capital required to be categorized as well capitalized under the regulatory framework for prompt corrective action.

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The Common Equity Tier 1 capital ratio required to be categorized as "well capitalized" under the regulatory framework for prompt corrective action.

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Common Equity Tier 1 capital ratio as defined by regulations.

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The amount of total capital as defined in the regulations.

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The minimum amount of Total Capital required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The minimum Total risk based capital ratio (total capital divided by risk weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The amount of Total Capital required to be categorized as well as capitalized under the regulatory framework for prompt corrective action.

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The Total risk based capital ratio (total capital divided by risk weighted assets) required to be categorized as "well capitalized", in the regulatory framework for prompt corrective action.

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Total Capital divided by risk weighted assets as defined in the regulations.

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Tier 1 Leverage Capital as defined in the regulations. Also called Core Capital.

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The minimum amount of Tier 1 Leverage Capital required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The minimum amount of Tier 1 Leverage Capital for capital adequacy purposes divided by average assets as defined in the regulations.

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The amount of Tier 1 Leverage Capital required to be categorized as well capitalized under the regulatory framework for prompt corrective action.

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The amount of Tier 1 Leverage Capital required to be categorized as well capitalized divided by average assets as defined in the regulatory framework for prompt corrective action.

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Tier 1 Leverage Capital divided by average assets as defined in the regulations.

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Tier 1 Risk Based Capital as defined in the regulations.

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The minimum Tier One Capital Ratio (Tier one capital divided by risk-weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The amount of Tier 1 Risk Based Capital required to be categorized as well capitalized under the regulatory framework for prompt corrective action.

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The Tier 1 capital ratio (Tier 1 capital divided by risk weighted assets) required to be categorized as "well capitalized" under the regulatory framework for prompt corrective action.

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Tier 1 capital divided by risk weighted assets as defined by regulations.

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