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Regulatory Restrictions - Schedule of Capital Ratios (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
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Company [Member] |  |
Amount |  |
Common equity Tier 1 capital ratio, actual | $ 639,369 | $ 610,642
Capital | 744,835 | 684,931
Tier One Risk Based Capital | 691,865 | 662,987
Tier One Leverage Capital | 691,865 | 662,987
Common equity Tier 1 capital ratio, fully phased-in regulatory guidelines minimum | 339,251 | 321,994
Capital Required for Capital Adequacy | 508,876 | 482,991
Tier One Risk Based Capital Required for Capital Adequacy | 411,947 | 390,993
Tier One Leverage Capital Required for Capital Adequacy | $ 280,039 | $ 236,904
Ratio |  |
Common equity Tier 1 capital ratio, actual | 13.19% | 13.28%
Total capital ratio, actual | 15.37% | 14.89%
Tier I capital ratio, actual | 14.28% | 14.41%
Leverage ratio, actual | 9.88% | 11.19%
Common equity Tier 1 capital ratio, fully phased-in regulatory guidelines minimum | 7.00% | 7.00%
Capital Required for Capital Adequacy to Risk Weighted Assets | 10.50% | 10.50%
Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets | 8.50% | 8.50%
Leverage ratio, for capital adequacy purposes | 4.00% | 4.00%
Bank [Member] |  |
Amount |  |
Common equity Tier 1 capital ratio, actual | $ 682,312 | $ 661,234
Capital | 735,282 | 683,178
Tier One Risk Based Capital | 682,312 | 661,234
Tier One Leverage Capital | 682,312 | 661,234
Common equity Tier 1 capital ratio, fully phased-in regulatory guidelines minimum | 339,125 | 321,866
Capital Required for Capital Adequacy | 508,688 | 482,799
Tier One Risk Based Capital Required for Capital Adequacy | 411,795 | 390,837
Tier One Leverage Capital Required for Capital Adequacy | 280,003 | 236,700
Common equity Tier 1 capital ratio, to be well capitalized under prompt corrective action provisions | 314,902 | 298,875
Capital Required to be Well Capitalized | 484,465 | 459,808
Tier One Risk Based Capital Required to be Well Capitalized | 387,572 | 367,846
Tier One Leverage Capital Required to be Well Capitalized | $ 350,004 | $ 295,875
Ratio |  |
Common equity Tier 1 capital ratio, actual | 14.08% | 14.38%
Total capital ratio, actual | 15.18% | 14.86%
Tier I capital ratio, actual | 14.08% | 14.38%
Leverage ratio, actual | 9.75% | 11.17%
Common equity Tier 1 capital ratio, fully phased-in regulatory guidelines minimum | 7.00% | 7.00%
Capital Required for Capital Adequacy to Risk Weighted Assets | 10.50% | 10.50%
Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets | 8.50% | 8.50%
Leverage ratio, for capital adequacy purposes | 4.00% | 4.00%
Common equity Tier 1 capital ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions | 6.50% | 6.50%
Total capital ratio, to be well capitalized under prompt corrective action provisions | 10.00% | 10.00%
Tier I capital ratio, to be well capitalized under prompt corrective action provisions | 8.00% | 8.00%
Leverage ratio, to be well capitalized under prompt corrective action provisions | 5.00% | 5.00%

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