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Stockholders' Equity and Regulatory Requirements (Details) - Schedule of Compliance with Regulatory Capital Requirements - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
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Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets | 1.99% |
Parent Company [Member] |  |
Tier One Leverage Capital | $ 478,876 | $ 425,407
Tier One Leverage Capital to Average Assets | 9.34% | 8.92%
Tier One Leverage Capital Required for Capital Adequacy | $ 204,995 | $ 190,728
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 | $ 473,721 | $ 420,252
CET One Risk Based Capital to Risk Weighted Assets | 9.75% | 9.15%
CET One Risk Based Capital Required for Capital Adequacy | $ 218,585 | $ 206,742
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 | $ 478,876 | $ 425,407
Tier One Risk Based Capital to Risk Weighted Assets | 9.86% | 9.26%
Tier One Risk Based Capital Required for Capital Adequacy | $ 291,446 | $ 275,656
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 | $ 638,830 | $ 507,155
Capital to Risk Weighted Assets | 13.15% | 11.04%
Capital Required for Capital Adequacy | $ 388,595 | $ 367,542
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 |  |
Union Center National Bank [Member] |  |
Tier One Leverage Capital | $ 552,311 | $ 468,899
Tier One Leverage Capital to Average Assets | 10.78% | 9.84%
Tier One Leverage Capital Required for Capital Adequacy | $ 204,973 | $ 190,665
Tier One Leverage Capital Required for Capital Adequacy to Average Assets | 4.00% | 4.00%
Tier One Leverage Capital Required to be Well Capitalized | $ 256,217 | $ 238,332
Tier One Leverage Capital Required to be Well Capitalized to Average Assets | 5.00% | 5.00%
CET One Risk Based Capital | $ 552,311 | $ 468,899
CET One Risk Based Capital to Risk Weighted Assets | 11.37% | 10.21%
CET One Risk Based Capital Required for Capital Adequacy | $ 218,589 | $ 206,721
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 | $ 315,740 | $ 298,597
CET One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets | 6.50% | 6.50%
Tier One Risk Based Capital | $ 552,311 | $ 468,899
Tier One Risk Based Capital to Risk Weighted Assets | 11.37% | 10.21%
Tier One Risk Based Capital Required for Capital Adequacy | $ 291,452 | $ 275,628
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 | $ 388,603 | $ 367,504
Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets | 8.00% | 8.00%
Capital | $ 619,515 | $ 500,647
Capital to Risk Weighted Assets | 12.75% | 10.90%
Capital Required for Capital Adequacy | $ 388,603 | $ 367,504
Capital Required for Capital Adequacy to Risk Weighted Assets | 8.00% | 8.00%
Capital Required to be Well Capitalized | $ 485,754 | $ 459,379
Capital Required to be Well Capitalized to Risk Weighted Assets | 10.00% | 10.00%

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