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v3.23.3

Shareholders' Equity - Regulatory Capital Requirements (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Sep. 30, 2022
--- | --- | ---
The Company |  |
Common Equity Tier 1 risk-based capital ratio: |  |
Actual capital | $ 1,769,170 | $ 1,613,075
Actual ratio | 10.37% | 9.86%
Capital adequacy guidelines ratio | 4.50% | 4.50%
Tier 1 risk-based capital ratio: |  |
Actual capital | $ 2,069,170 | $ 1,913,075
Actual ratio | 0.1212 | 0.1169
Capital adequacy guidelines ratio | 0.0600 | 0.0600
Total risk-based capital ratio: |  |
Actual capital | $ 2,270,877 | $ 2,117,574
Actual ratio | 0.1331 | 0.1294
Capital adequacy guidelines ratio | 0.0800 | 0.0800
Tier 1 leverage ratio: |  |
Actual capital | $ 2,069,170 | $ 1,913,075
Actual ratio | 0.0939 | 0.0951
Capital adequacy guidelines ratio | 0.0400 | 0.0400
The Bank |  |
Common Equity Tier 1 risk-based capital ratio: |  |
Actual capital | $ 1,982,943 | $ 1,781,932
Actual ratio | 11.63% | 10.89%
Capital adequacy guidelines ratio | 4.50% | 4.50%
Categorized as well capitalized under prompt corrective action provisions ratio | 6.50% | 6.50%
Tier 1 risk-based capital ratio: |  |
Actual capital | $ 1,982,943 | $ 1,781,932
Actual ratio | 0.1163 | 0.1089
Capital adequacy guidelines ratio | 0.0600 | 0.0600
Categorized as well capitalized under prompt corrective action provisions ratio | 0.0800 | 0.0800
Total risk-based capital ratio: |  |
Actual capital | $ 2,184,650 | $ 1,986,434
Actual ratio | 0.1281 | 0.1214
Capital adequacy guidelines ratio | 0.0800 | 0.0800
Categorized as well capitalized under prompt corrective action provisions ratio | 0.1000 | 0.1000
Tier 1 leverage ratio: |  |
Actual capital | $ 1,982,943 | $ 1,781,932
Actual ratio | 0.0910 | 0.0886
Capital adequacy guidelines ratio | 0.0400 | 0.0400
Categorized as well capitalized under prompt corrective action provisions ratio | 0.0500 | 0.0500

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