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Regulatory Capital | 12 Months Ended
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Dec. 31, 2023
Regulatory Capital [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 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. In first quarter 2020, the U.S. federal banking regulatory agencies permitted banking organizations to phase-in, for regulatory capital purposes, the day-one impact of the new CECL accounting rule on retained earnings over a period of three years. As part of its response to the impact of COVID-19, on March 31, 2020, the U.S. federal banking regulatory agencies issued an interim final rule that provided the option to temporarily delay certain effects of CECL on regulatory capital for two years, followed by a three-year transition period. The interim final rule allows banking organizations to delay for two years 100% of the day-one impact of adopting CECL and 25% of the cumulative change in the reported allowance for credit losses since adopting CECL. Customers has elected to adopt the interim final rule, which is reflected in the regulatory capital data presented below. The cumulative CECL capital transition impact as of December 31, 2021 which amounted to $61.6 million will be phased in at 25% per year beginning on January 1, 2022 through December 31, 2024. As of December 31, 2023, our regulatory capital ratios reflected 50%, or $30.8 million, benefit associated with the CECL transition provisions. In April 2020, the U.S. federal banking regulatory agencies issued an interim final rule that permits banks to exclude the impact of participating in the SBA PPP program in their regulatory capital ratios. Specifically, PPP loans are zero percent risk weighted and a bank can exclude all PPP loans pledged as collateral to the FRB Paycheck Protection Program Liquidity Facility (“PPPLF”) from its average total consolidated assets for purposes of calculating the Tier 1 capital to average assets ratio (i.e. leverage ratio). Customers applied this regulatory guidance in the calculation of its regulatory capital ratios presented below. 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 December 31, 2023 and 2022, 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 set forth in the following table:
|  |  |  |  | Minimum Capital Levels to be Classified as:
| Actual |  | Adequately Capitalized |  | Well Capitalized |  | Basel III Compliant
(dollars in thousands) | Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio
As of December 31, 2023: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common equity Tier 1 capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customers Bancorp, Inc. | $ | 1,661,149 |  |  | 12.230 | % |  | $ | 611,200 |  |  | 4.500 | % |  | N/A |  | N/A |  | $ | 950,755 |  |  | 7.000 | %
Customers Bank | $ | 1,868,360 |  |  | 13.773 | % |  | $ | 610,453 |  |  | 4.500 | % |  | $ | 881,765 |  |  | 6.500 | % |  | $ | 949,594 |  |  | 7.000 | %
Tier 1 capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customers Bancorp, Inc. | $ | 1,798,942 |  |  | 13.245 | % |  | $ | 814,933 |  |  | 6.000 | % |  | N/A |  | N/A |  | $ | 1,154,489 |  |  | 8.500 | %
Customers Bank | $ | 1,868,360 |  |  | 13.773 | % |  | $ | 813,937 |  |  | 6.000 | % |  | $ | 1,085,250 |  |  | 8.000 | % |  | $ | 1,153,078 |  |  | 8.500 | %
Total capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customers Bancorp, Inc. | $ | 2,076,550 |  |  | 15.289 | % |  | $ | 1,086,578 |  |  | 8.000 | % |  | N/A |  | N/A |  | $ | 1,426,133 |  |  | 10.500 | %
Customers Bank | $ | 2,073,202 |  |  | 15.283 | % |  | $ | 1,085,250 |  |  | 8.000 | % |  | $ | 1,356,562 |  |  | 10.000 | % |  | $ | 1,424,390 |  |  | 10.500 | %
Tier 1 capital (to average assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customers Bancorp, Inc. | $ | 1,798,942 |  |  | 8.375 | % |  | $ | 859,189 |  |  | 4.000 | % |  | N/A |  | N/A |  | $ | 859,189 |  |  | 4.000 | %
Customers Bank | $ | 1,868,360 |  |  | 8.708 | % |  | $ | 858,225 |  |  | 4.000 | % |  | $ | 1,072,782 |  |  | 5.000 | % |  | $ | 858,225 |  |  | 4.000 | %
As of December 31, 2022: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common equity Tier 1 capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customers Bancorp, Inc. | $ | 1,470,837 |  |  | 9.637 | % |  | $ | 686,838 |  |  | 4.500 | % |  | N/A |  | N/A |  | $ | 1,068,415 |  |  | 7.000 | %
Customers Bank | $ | 1,708,598 |  |  | 11.213 | % |  | $ | 685,694 |  |  | 4.500 | % |  | $ | 990,447 |  |  | 6.500 | % |  | $ | 1,066,636 |  |  | 7.000 | %
Tier 1 capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customers Bancorp, Inc. | $ | 1,608,630 |  |  | 10.539 | % |  | $ | 915,784 |  |  | 6.000 | % |  | N/A |  | N/A |  | $ | 1,297,361 |  |  | 8.500 | %
Customers Bank | $ | 1,708,598 |  |  | 11.213 | % |  | $ | 914,259 |  |  | 6.000 | % |  | $ | 1,219,012 |  |  | 8.000 | % |  | $ | 1,295,201 |  |  | 8.500 | %
Total capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customers Bancorp, Inc. | $ | 1,862,089 |  |  | 12.200 | % |  | $ | 1,221,045 |  |  | 8.000 | % |  | N/A |  | N/A |  | $ | 1,602,622 |  |  | 10.500 | %
Customers Bank | $ | 1,889,472 |  |  | 12.400 | % |  | $ | 1,219,012 |  |  | 8.000 | % |  | $ | 1,523,765 |  |  | 10.000 | % |  | $ | 1,599,954 |  |  | 10.500 | %
Tier 1 capital (to average assets) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Customers Bancorp, Inc. | $ | 1,608,630 |  |  | 7.664 | % |  | $ | 839,547 |  |  | 4.000 | % |  | N/A |  | N/A |  | $ | 839,547 |  |  | 4.000 | %
Customers Bank | $ | 1,708,598 |  |  | 8.150 | % |  | $ | 838,611 |  |  | 4.000 | % |  | $ | 1,048,264 |  |  | 5.000 | % |  | $ | 838,611 |  |  | 4.000 | %
The Basel III Capital Rules require that we maintain a 2.500% capital conservation buffer with respect to each of common equity Tier 1, Tier 1 and total capital to risk-weighted assets, which provides for capital levels that exceed the minimum risk-based capital adequacy requirements. A financial institution with a conservation buffer of less than the required amount is subject to limitations on capital distributions, including dividend payments and stock repurchases, and certain discretionary bonus payments 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://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480696/942-505-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480696/942-505-50-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480696/942-505-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480696/942-505-50-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480696/942-505-50-1 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1D -Publisher FASB -URI https://asc.fasb.org//1943274/2147480696/942-505-50-1D Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Publisher FASB -URI https://asc.fasb.org//1943274/2147480696/942-505-50-1A Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1F -Publisher FASB -URI https://asc.fasb.org//1943274/2147480696/942-505-50-1F + Details
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