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v3.21.1

Regulatory Capital (Tables) | 3 Months Ended
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Mar. 31, 2021
Notes Tables |
Summary of compliance with banking regulatory capital standards | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | March 31, 2021 |  | December 31, 2020 |
​ | ​ | ​ | ​ | ​ | Percent of | ​ | ​ | ​ | ​ | Percent of |
​ |  | Amount |  | Assets |  | Amount |  | Assets |
​ |  | (Dollars in thousands) | ​
Tier I (leverage) capital: |  | ​ |  |  |  |  | ​ |  |  |  | ​
Capital level | ​ | $ | 754,487 |  | 9.38 | % | $ | 733,010 |  | 9.27 | %
Requirement to be well capitalized | ​ |  | 402,389 |  | 5.00 | ​ |  | 395,510 |  | 5.00 | ​
Excess | ​ |  | 352,098 |  | 4.38 | ​ |  | 337,500 |  | 4.27 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Common Equity Tier I risk-based capital: | ​ |  |  |  |  | ​ |  |  |  |  | ​
Capital level | ​ | $ | 754,487 |  | 12.03 | % | $ | 733,010 |  | 11.65 | %
Requirement to be well capitalized | ​ |  | 407,515 |  | 6.50 | ​ |  | 408,929 |  | 6.50 | ​
Excess | ​ |  | 346,972 |  | 5.53 | ​ |  | 324,081 |  | 5.15 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Tier 1 risk-based capital: | ​ |  |  |  |  | ​ |  |  |  |  | ​
Capital level | ​ | $ | 754,487 |  | 12.03 | % | $ | 733,010 |  | 11.65 | %
Requirement to be well capitalized | ​ |  | 501,557 |  | 8.00 | ​ |  | 503,297 |  | 8.00 | ​
Excess | ​ |  | 252,930 |  | 4.03 | ​ |  | 229,713 |  | 3.65 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total risk-based capital: | ​ |  |  |  |  | ​ |  |  |  |  | ​
Capital level | ​ | $ | 794,866 |  | 12.68 | % | $ | 773,807 |  | 12.30 | %
Requirement to be well capitalized | ​ |  | 626,946 |  | 10.00 | ​ |  | 629,121 |  | 10.00 | ​
Excess | ​ |  | 167,920 |  | 2.68 | ​ |  | 144,686 |  | 2.30 | ​
Holding Company |
Notes Tables |
Summary of compliance with banking regulatory capital standards | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | March 31, 2021 |  | December 31, 2020 |
​ | ​ | ​ | ​ | ​ | Percent of | ​ | ​ | ​ | ​ | Percent of |
​ |  | Amount |  | Assets |  | Amount |  | Assets |
​ | ​ | (Dollars in thousands) |
Tier I (leverage) capital: |  | ​ |  |  |  |  | ​ |  |  |  | ​
Capital level | ​ | $ | 679,343 |  | 8.44 | % | $ | 662,987 |  | 8.38 | %
Requirement to be well capitalized | ​ |  | 402,232 |  | 5.00 | ​ |  | 395,439 |  | 5.00 | ​
Excess | ​ |  | 277,111 |  | 3.44 | ​ |  | 267,548 |  | 3.38 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Common Equity Tier I risk-based capital: | ​ |  |  |  |  | ​ |  |  |  |  | ​
Capital level | ​ | $ | 636,071 |  | 10.15 | % | $ | 621,247 |  | 9.88 | %
Requirement to be well capitalized | ​ |  | 407,283 |  | 6.50 | ​ |  | 408,694 |  | 6.50 | ​
Excess | ​ |  | 228,788 |  | 3.65 | ​ |  | 212,553 |  | 3.38 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Tier 1 risk-based capital: | ​ |  |  |  |  | ​ |  |  |  |  | ​
Capital level | ​ | $ | 679,343 |  | 10.84 | % | $ | 662,987 |  | 10.54 | %
Requirement to be well capitalized | ​ |  | 501,271 |  | 8.00 | ​ |  | 503,008 |  | 8.00 | ​
Excess | ​ |  | 178,072 |  | 2.84 | ​ |  | 159,979 |  | 2.54 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total risk-based capital: | ​ |  |  |  |  | ​ |  |  |  |  | ​
Capital level | ​ | $ | 806,922 |  | 12.88 | % | $ | 794,034 |  | 12.63 | %
Requirement to be well capitalized | ​ |  | 626,589 |  | 10.00 | ​ |  | 628,760 |  | 10.00 | ​
Excess | ​ |  | 180,333 |  | 2.88 | ​ |  | 165,274 |  | 2.63 | ​

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