Stockholders' Equity and Regulatory Requirements (Details) - Schedule of Compliance with Regulatory Capital Requirements - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets	3.157%
Union Center National Bank [Member]
Tier One Leverage Capital	$ 434,067	$ 372,979
Tier One Leverage Capital to Average Assets	10.34%	9.96%
Tier One Leverage Capital Required for Capital Adequacy	$ 167,996	$ 149,724
Tier One Leverage Capital Required for Capital Adequacy to Average Assets	4.00%	4.00%
Tier One Leverage Capital Required to be Well Capitalized	$ 209,995	$ 187,154
Tier One Leverage Capital Required to be Well Capitalized to Average Assets	5.00%	5.00%
CET One Risk Based Capital	$ 434,067	$ 372,979
CET One Risk Based Capital to Risk Weighted Assets	10.98%	10.55%
CET One Risk Based Capital Required for Capital Adequacy	$ 177,944	$ 159,028
CET One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets	4.50%	4.50%
CET One Risk Based Capital Required to be Well Capitalized	$ 257,030	$ 229,707
CET One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets	6.50%	6.50%
Tier One Risk Based Capital	$ 434,067	$ 372,979
Tier One Risk Based Capital to Risk Weighted Assets	10.98%	10.55%
Tier One Risk Based Capital Required for Capital Adequacy	$ 237,258	$ 212,037
Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets	6.00%	6.00%
Tier One Risk Based Capital Required to be Well Capitalized	$ 316,344	$ 282,716
Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets	8.00%	8.00%
Capital	$ 459,811	$ 399,551
Capital to Risk Weighted Assets	11.63%	11.31%
Capital Required for Capital Adequacy	$ 316,344	$ 282,716
Capital Required for Capital Adequacy to Risk Weighted Assets	8.00%	8.00%
Capital Required to be Well Capitalized	$ 395,430	$ 353,395
Capital Required to be Well Capitalized to Risk Weighted Assets	10.00%	10.00%
Parent Company [Member]
Tier One Leverage Capital	$ 390,205	$ 339,544
Tier One Leverage Capital to Average Assets	9.29%	9.07%
Tier One Leverage Capital Required for Capital Adequacy	$ 168,048	$ 149,776
Tier One Leverage Capital Required for Capital Adequacy to Average Assets	4.00%	4.00%
Tier One Leverage Capital Required to be Well Capitalized
Tier One Leverage Capital Required to be Well Capitalized to Average Assets
CET One Risk Based Capital	$ 385,050	$ 323,139
CET One Risk Based Capital to Risk Weighted Assets	9.74%	9.14%
CET One Risk Based Capital Required for Capital Adequacy	$ 177,967	$ 159,078
CET One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets	4.50%	4.50%
CET One Risk Based Capital Required to be Well Capitalized
CET One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets
Tier One Risk Based Capital	$ 390,205	$ 339,544
Tier One Risk Based Capital to Risk Weighted Assets	9.87%	9.61%
Tier One Risk Based Capital Required for Capital Adequacy	$ 237,289	$ 212,104
Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets	6.00%	6.00%
Tier One Risk Based Capital Required to be Well Capitalized
Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets
Capital	$ 465,949	$ 416,116
Capital to Risk Weighted Assets	11.78%	11.77%
Capital Required for Capital Adequacy	$ 316,386	$ 282,805
Capital Required for Capital Adequacy to Risk Weighted Assets	8.00%	8.00%
Capital Required to be Well Capitalized
Capital Required to be Well Capitalized to Risk Weighted Assets

CET one risk based capital.

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CET One Risk Based Capital Required for Capital Adequacy.

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CET One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets.

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CET One Risk Based Capital Required to be Well Capitalized.

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CET One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets.

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CET One Risk Based Capital to Risk Weighted Assets.

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

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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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