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Regulatory Capital | 9 Months Ended
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Sep. 30, 2019
Banking and Thrift [Abstract] |
Regulatory Capital | REGULATORY CAPITAL The Bank and the Bancorp are subject to various regulatory capital requirements administered by the federal banking agencies. Failure to meet the minimum capital requirements can result in certain mandatory, and possibly additional discretionary, actions by regulators that, if undertaken, could have a direct material effect on Customers' financial statements. Under capital adequacy guidelines and the regulatory framework for prompt corrective action, the Bank and the Bancorp must meet specific capital guidelines that involve quantitative measures of their assets, liabilities and certain off-balance sheet items, as calculated under the regulatory accounting practices. The capital amounts and classification are also subject to qualitative judgments by the regulators about components, risk weightings and other factors. Prompt corrective action provisions are not applicable to bank holding companies. Quantitative measures established by regulation to ensure capital adequacy require the Bank and the Bancorp to maintain minimum amounts and ratios (set forth in the following table) of common equity Tier 1, Tier 1, and total capital to risk-weighted assets, and Tier 1 capital to average assets (as defined in the regulations). At September 30, 2019 and December 31, 2018, the Bank and the Bancorp satisfied all capital requirements to which they were subject. Generally, to comply with the regulatory definition of adequately capitalized, or well capitalized, respectively, or to comply with the Basel III capital requirements, an institution must at least maintain the common equity Tier 1, Tier 1 and total risk-based capital ratios and the Tier 1 leverage ratio in excess of the related minimum ratios as set forth in the following table:
|  |  |  |  | Minimum Capital Levels to be Classified as: |  |  |  |  |  |  |  |  |  |
| Actual |  |  |  | Adequately Capitalized |  |  |  | Well Capitalized |  |  |  | Basel III Compliant |  |
(amounts in thousands) | Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio
As of September 30, 2019: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common equity Tier 1 capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customers Bancorp, Inc. | $ | 794,745 |  |  | 7.811 | % |  | $ | 457,840 |  |  | 4.500 | % |  | N/A |  | N/A |  | $ | 712,195 |  |  | 7.000 | %
Customers Bank | $ | 1,103,341 |  |  | 10.847 | % |  | $ | 457,748 |  |  | 4.500 | % |  | $ | 661,192 |  |  | 6.500 | % |  | $ | 712,053 |  |  | 7.000 | %
Tier 1 capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customers Bancorp, Inc. | $ | 1,012,216 |  |  | 9.949 | % |  | $ | 610,453 |  |  | 6.000 | % |  | N/A |  | N/A |  | $ | 864,809 |  |  | 8.500 | %
Customers Bank | $ | 1,103,341 |  |  | 10.847 | % |  | $ | 610,331 |  |  | 6.000 | % |  | $ | 813,775 |  |  | 8.000 | % |  | $ | 864,636 |  |  | 8.500 | %
Total capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customers Bancorp, Inc. | $ | 1,155,499 |  |  | 11.357 | % |  | $ | 813,938 |  |  | 8.000 | % |  | N/A |  | N/A |  | $ | 1,068,293 |  |  | 10.500 | %
Customers Bank | $ | 1,263,490 |  |  | 12.421 | % |  | $ | 813,775 |  |  | 8.000 | % |  | $ | 1,017,218 |  |  | 10.000 | % |  | $ | 1,068,079 |  |  | 10.500 | %
Tier 1 capital (to average assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customers Bancorp, Inc. | $ | 1,012,216 |  |  | 9.013 | % |  | $ | 449,217 |  |  | 4.000 | % |  | N/A |  | N/A |  | $ | 449,217 |  |  | 4.000 | %
Customers Bank | $ | 1,103,341 |  |  | 9.829 | % |  | $ | 448,997 |  |  | 4.000 | % |  | $ | 561,246 |  |  | 5.000 | % |  | $ | 448,997 |  |  | 4.000 | %
As of December 31, 2018: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common equity Tier 1 capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customers Bancorp, Inc. | $ | 745,795 |  |  | 8.964 | % |  | $ | 374,388 |  |  | 4.500 | % |  | N/A |  | N/A |  | $ | 530,384 |  |  | 6.375 | %
Customers Bank | $ | 1,066,121 |  |  | 12.822 | % |  | $ | 374,160 |  |  | 4.500 | % |  | $ | 540,453 |  |  | 6.500 | % |  | $ | 530,059 |  |  | 6.375 | %
Tier 1 capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customers Bancorp, Inc. | $ | 963,266 |  |  | 11.578 | % |  | $ | 499,185 |  |  | 6.000 | % |  | N/A |  | N/A |  | $ | 655,180 |  |  | 7.875 | %
Customers Bank | $ | 1,066,121 |  |  | 12.822 | % |  | $ | 498,879 |  |  | 6.000 | % |  | $ | 665,173 |  |  | 8.000 | % |  | $ | 654,779 |  |  | 7.875 | %
Total capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customers Bancorp, Inc. | $ | 1,081,962 |  |  | 13.005 | % |  | $ | 665,580 |  |  | 8.000 | % |  | N/A |  | N/A |  | $ | 821,575 |  |  | 9.875 | %
Customers Bank | $ | 1,215,522 |  |  | 14.619 | % |  | $ | 665,173 |  |  | 8.000 | % |  | $ | 831,466 |  |  | 10.000 | % |  | $ | 821,072 |  |  | 9.875 | %
Tier 1 capital (to average assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customers Bancorp, Inc. | $ | 963,266 |  |  | 9.665 | % |  | $ | 398,668 |  |  | 4.000 | % |  | N/A |  | N/A |  | $ | 398,668 |  |  | 4.000 | %
Customers Bank | $ | 1,066,121 |  |  | 10.699 | % |  | $ | 398,570 |  |  | 4.000 | % |  | $ | 498,212 |  |  | 5.000 | % |  | $ | 398,570 |  |  | 4.000 | %
The Basel III risk-based capital rules adopted effective January 1, 2015 require that banks and holding companies maintain a "capital conservation buffer" of 250 basis points in excess of the "minimum capital ratio" or certain elective distributions would be limited. The minimum capital ratio is equal to the prompt corrective action adequately capitalized threshold ratio. The capital conservation buffer was phased in over four years beginning on January 1, 2016, with a maximum buffer of 0.625% of risk weighted assets for 2016, 1.250% for 2017, 1.875% for 2018, and 2.500% for 2019 and thereafter. Effective January 1, 2019, the capital level required to avoid limitation on elective distributions applicable to the Bancorp and the Bank were as follows: (i) a common equity Tier 1 risk-based capital ratio of 7.000%; (ii) a Tier 1 risk-based capital ratio of 8.500%; and (iii) a Total risk-based capital ratio of 10.500%. Failure to maintain the required capital conservation buffer will result in limitations on capital distributions and on discretionary bonuses to executive officers.

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- Definition The entire disclosure for regulatory capital requirement for depository and lending institutions. Institutions include, but not are not limited to, finance company, insured depository institution, bank holding company, savings and loan association holding company, bank and savings institution not federally insured, mortgage company, foreign financial institution and credit union. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1C -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958572-112826 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1D -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958573-112826 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958570-112826 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958569-112826 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1G -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958577-112826 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1F -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958575-112826 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1E -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958574-112826 Reference 8: 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 Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -URI http://asc.fasb.org/extlink&oid=117337116&loc=d3e65071-112826 + Details
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