Regulatory Matters (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2016	Dec. 31, 2015
Total capital (to risk weighted assets)
Actual - Amount	$ 390,301	$ 384,737
Actual - Ratio	10.80%	10.90%
For Capital Adequacy Purposes - Amount	$ 288,893	$ 282,733
For Capital Adequacy Purposes - Ratio	8.00%	8.00%
Tier 1 capital (to risk weighted assets)
Actual - Amount	$ 350,316	$ 351,482
Actual - Ratio	9.70%	10.00%
For Capital Adequacy Purposes - Amount	$ 216,700	$ 212,050
For Capital Adequacy Purposes - Ratio	6.00%	6.00%
Common equity tier 1 capital
Actual - Amount	$ 337,690	$ 338,961
Actual - Ratio	9.40%
Common Equity Tier One Capital Required For Capital Adequacy	$ 162,502	$ 159,037
For Capital Adequacy Purposes - Ratio	4.5	4.50
Tier 1 capital (to average assets)
Actual - Amount	$ 350,316	$ 351,482
Actual - Ratio	9.50%	9.60%
For Capital Adequacy Purposes - Amount	$ 147,047	$ 146,765
For Capital Adequacy Purposes - Ratio	4.00%	4.00%
Dividends paid	$ 0	$ 0
The Bank [Member]
Total capital (to risk weighted assets)
Actual - Amount	$ 383,777
Actual - Ratio	10.60%	10.70%
For Capital Adequacy Purposes - Amount	$ 288,861	$ 282,725
For Capital Adequacy Purposes - Ratio	8.00%	8.00%
To be Categorized as Well Capitalized under Prompt Corrective Action Provisions - Amount	$ 361,076	$ 353,406
To be Categorized as Well Capitalized under Prompt Corrective Action Provisions - Ratio	10.00%	10.00%
Tier 1 capital (to risk weighted assets)
Actual - Amount	$ 343,792	$ 376,453
Actual - Ratio	9.50%	9.70%
For Capital Adequacy Purposes - Amount	$ 216,646	$ 212,044
For Capital Adequacy Purposes - Ratio	6.00%	6.00%
To be Categorized as Well Capitalized under Prompt Corrective Action Provisions - Amount	$ 288,861	$ 282,725
To be Categorized as Well Capitalized under Prompt Corrective Action Provisions - Ratio	8.00%	8.00%
Common equity tier 1 capital
Actual - Amount	$ 343,792	$ 343,199
Actual - Ratio	9.50%	9.70%
Common Equity Tier One Capital Required For Capital Adequacy	$ 162,484	$ 159,033
For Capital Adequacy Purposes - Ratio	4.5	4.50
To be Categorized as Well Capitalized under Prompt Corrective Action Provisions - Amount	$ 234,700	$ 229,714
Common Equity Tier One Capital Required To Be Well Capitalized Ratio	6.50%	6.50%
Tier 1 capital (to average assets)
Actual - Amount	$ 343,792	$ 343,199
Actual - Ratio	9.40%	9.40%
For Capital Adequacy Purposes - Amount	$ 146,768	$ 146,689
For Capital Adequacy Purposes - Ratio	4.00%	4.00%
To be Categorized as Well Capitalized under Prompt Corrective Action Provisions - Amount	$ 183,460	$ 183,361
To be Categorized as Well Capitalized under Prompt Corrective Action Provisions - Ratio	5.00%	5.00%

Common equity tier 1 capital as defined in the regulations.

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The amount of total capital as defined in the regulations.

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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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Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.

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

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Tier 1 Risk Based Capital as defined in the regulations.

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

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