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Regulatory Capital - Summary of the Bank's Compliance (Details) - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019
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Tier I (leverage) capital: |  |
Tier i (leverage) capital, capital level, amount | $ 676,267 | $ 680,749
Tier i (leverage) capital, capital level, percent | 9.51% | 9.65%
Tier i (leverage) capital, requirement to be well capitalized, amount | $ 355,552 | $ 352,581
Tier i (leverage) capital, requirement to be well capitalized, percent | 5.00% | 5.00%
Tier i (leverage) capital, excess, amount | $ 320,715 | $ 328,168
Tier i (leverage) capital, excess, percent | 4.51% | 4.65%
Common Equity Tier I risk-based capital: |  |
Common equity tier i risk-based capital, capital level, amount | $ 676,267 | $ 680,749
Common equity tier i risk-based capital, capital level, percent | 12.48% | 13.02%
Common equity tier i risk-based capital, requirement to be well capitalized, amount | $ 352,240 | $ 339,944
Common equity tier i risk-based capital, requirement to be well capitalized, percent | 6.50% | 6.50%
Common equity tier i risk-based capital, excess, amount | $ 324,027 | $ 340,805
Common equity tier i risk-based capital, excess, percent | 5.98% | 6.52%
Tier I risk-based capital: |  |
Tier 1 risk-based capital, capital level, amount | $ 676,267 | $ 680,749
Tier 1 risk-based capital, capital level, percent | 12.48% | 13.02%
Tier 1 risk-based capital, requirement to be well capitalized, amount | $ 433,526 | $ 418,393
Tier 1 risk-based capital, requirement to be well capitalized, percent | 8.00% | 8.00%
Tier 1 risk-based capital, excess, amount | $ 242,741 | $ 262,356
Tier 1 risk-based capital, excess, percent | 4.48% | 5.02%
Total risk-based capital: |  |
Total risk-based capital, capital level, amount | $ 703,130 | $ 702,500
Total risk-based capital, capital level, percent | 12.98% | 13.43%
Total risk-based capital, requirement to be well capitalized, amount | $ 541,908 | $ 522,991
Total risk-based capital, requirement to be well capitalized, percent | 10.00% | 10.00%
Total risk-based capital, excess, amount | $ 161,222 | $ 179,509
Total risk-based capital, excess, percent | 2.98% | 3.43%
Holding Company |  |
Tier I (leverage) capital: |  |
Tier i (leverage) capital, capital level, amount | $ 610,898 | $ 615,500
Tier i (leverage) capital, capital level, percent | 8.59% | 8.73%
Tier i (leverage) capital, requirement to be well capitalized, amount | $ 355,470 | $ 352,581
Tier i (leverage) capital, requirement to be well capitalized, percent | 5.00% | 5.00%
Tier i (leverage) capital, excess, amount | $ 255,428 | $ 262,919
Tier i (leverage) capital, excess, percent | 3.59% | 3.73%
Common Equity Tier I risk-based capital: |  |
Common equity tier i risk-based capital, capital level, amount | $ 567,306 | $ 572,651
Common equity tier i risk-based capital, capital level, percent | 10.47% | 10.95%
Common equity tier i risk-based capital, requirement to be well capitalized, amount | $ 352,184 | $ 339,929
Common equity tier i risk-based capital, requirement to be well capitalized, percent | 6.50% | 6.50%
Common equity tier i risk-based capital, excess, amount | $ 215,122 | $ 232,722
Common equity tier i risk-based capital, excess, percent | 3.97% | 4.45%
Tier I risk-based capital: |  |
Tier 1 risk-based capital, capital level, amount | $ 610,898 | $ 615,500
Tier 1 risk-based capital, capital level, percent | 11.28% | 11.77%
Tier 1 risk-based capital, requirement to be well capitalized, amount | $ 433,458 | $ 418,374
Tier 1 risk-based capital, requirement to be well capitalized, percent | 8.00% | 8.00%
Tier 1 risk-based capital, excess, amount | $ 177,440 | $ 197,126
Tier 1 risk-based capital, excess, percent | 3.28% | 3.77%
Total risk-based capital: |  |
Total risk-based capital, capital level, amount | $ 712,761 | $ 712,251
Total risk-based capital, capital level, percent | 13.16% | 13.62%
Total risk-based capital, requirement to be well capitalized, amount | $ 541,822 | $ 522,967
Total risk-based capital, requirement to be well capitalized, percent | 10.00% | 10.00%
Total risk-based capital, excess, amount | $ 170,939 | $ 189,284
Total risk-based capital, excess, percent | 3.16% | 3.62%

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- Definition The amount by which the company's Total Capital exceeds the minimum required for capital adequacy purposes. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 + Details
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