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Regulatory Restrictions (Tables) | 12 Months Ended
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Dec. 31, 2020
Banking and Thrift [Abstract] |
Schedule of Capital Ratios |
| Actual |  | Fully Phased-In Regulatory Guidelines Minimum |  | To Be Well Capitalized Under Current Prompt Corrective Action Provisions
($ in thousands) | Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio
|  |  |  |  | (must equal or exceed) |  | (must equal or exceed)
As of December 31, 2020 |  |  |  |  |  |  |  |  |  |  |
Common Equity Tier I Capital Ratio |  |  |  |  |  |  |  |  |  |  |
Company | $ | 639,369 |  |  | 13.19 | % |  | $ | 339,251 |  |  | 7.00 | % |  | $ N/A |  | N/A
Bank | 682,312 |  |  | 14.08 | % |  | 339,125 |  |  | 7.00 | % |  | 314,902 |  |  | 6.50 | %
Total Capital Ratio |  |  |  |  |  |  |  |  |  |  |
Company | 744,835 |  |  | 15.37 | % |  | 508,876 |  |  | 10.50 | % |  | N/A |  | N/A
Bank | 735,282 |  |  | 15.18 | % |  | 508,688 |  |  | 10.50 | % |  | 484,465 |  |  | 10.00 | %
Tier I Capital Ratio |  |  |  |  |  |  |  |  |  |  |
Company | 691,865 |  |  | 14.28 | % |  | 411,947 |  |  | 8.50 | % |  | N/A |  | N/A
Bank | 682,312 |  |  | 14.08 | % |  | 411,795 |  |  | 8.50 | % |  | 387,572 |  |  | 8.00 | %
Leverage Ratio |  |  |  |  |  |  |  |  |  |  |
Company | 691,865 |  |  | 9.88 | % |  | 280,039 |  |  | 4.00 | % |  | N/A |  | N/A
Bank | 682,312 |  |  | 9.75 | % |  | 280,003 |  |  | 4.00 | % |  | 350,004 |  |  | 5.00 | %
As of December 31, 2019 |  |  |  |  |  |  |  |  |  |  |
Common Equity Tier I Capital Ratio |  |  |  |  |  |  |  |  |  |  |
Company | $ | 610,642 |  |  | 13.28 | % |  | $ | 321,994 |  |  | 7.00 | % |  | $ N/A |  | N/A
Bank | 661,234 |  |  | 14.38 | % |  | 321,866 |  |  | 7.00 | % |  | 298,875 |  |  | 6.50 | %
Total Capital Ratio |  |  |  |  |  |  |  |  |  |  |
Company | 684,931 |  |  | 14.89 | % |  | 482,991 |  |  | 10.50 | % |  | N/A |  | N/A
Bank | 683,178 |  |  | 14.86 | % |  | 482,799 |  |  | 10.50 | % |  | 459,808 |  |  | 10.00 | %
Tier I Capital Ratio |  |  |  |  |  |  |  |  |  |  |
Company | 662,987 |  |  | 14.41 | % |  | 390,993 |  |  | 8.50 | % |  | N/A |  | N/A
Bank | 661,234 |  |  | 14.38 | % |  | 390,837 |  |  | 8.50 | % |  | 367,846 |  |  | 8.00 | %
Leverage Ratio |  |  |  |  |  |  |  |  |  |  |
Company | 662,987 |  |  | 11.19 | % |  | 236,904 |  |  | 4.00 | % |  | N/A |  | N/A
Bank | 661,234 |  |  | 11.17 | % |  | 236,700 |  |  | 4.00 | % |  | 295,875 |  |  | 5.00 | %

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