XML 49 R32.htm IDEA: XBRL DOCUMENT
v3.22.2

Stockholders' Equity and Earnings Per Share (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2022
Stockholders' Equity and Earnings Per Share [Abstract] |
Schedule of Earnings Per Share Calculations | The following table presents the basic and diluted EPS calculations for the three and six months ended June 30, 2022 and 2021. For more information on the calculation of EPS, see Note 1 — Summary of Significant Accounting Policies — Significant Accounting Policies — Earnings Per Share to the Consolidated Financial Statements of the Company’s 2021 Form 10-K.
($ and shares in thousands, except per share data) |  | Three Months Ended June 30, |  | Six Months Ended June 30, |  |  |  |  |
| 2022 |  | 2021 |  | 2022 |  | 2021 |  |  |  |  |  |  |
Basic: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 258,329 |  |  | $ | 224,742 |  |  | $ | 495,981 |  |  | $ | 429,736 |  |  |  |  |  |  |  |
Weighted-average number of shares outstanding |  | 141,429 |  |  | 141,868 |  |  | 141,725 |  |  | 141,758 |  |  |  |  |  |  |  |
Basic EPS |  | $ | 1.83 |  |  | $ | 1.58 |  |  | $ | 3.50 |  |  | $ | 3.03 |  |  |  |  |  |  |  |
Diluted: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 258,329 |  |  | $ | 224,742 |  |  | $ | 495,981 |  |  | $ | 429,736 |  |  |  |  |  |  |  |
Weighted-average number of shares outstanding |  | 141,429 |  |  | 141,868 |  |  | 141,725 |  |  | 141,758 |  |  |  |  |  |  |  |
Add: Dilutive impact of unvested RSUs |  | 943 |  |  | 1,172 |  |  | 1,113 |  |  | 1,205 |  |  |  |  |  |  |  |
Diluted weighted-average number of shares outstanding |  | 142,372 |  |  | 143,040 |  |  | 142,838 |  |  | 142,963 |  |  |  |  |  |  |  |
Diluted EPS |  | $ | 1.81 |  |  | $ | 1.57 |  |  | $ | 3.47 |  |  | $ | 3.01 |  |  |  |  |  |  |  |

X
- Definition Stockholders' Equity and Earnings Per Share [Abstract] + References No definition available. + Details
Name: | ewbc_StockholdersEquityandEarningsPerShareAbstract
Namespace Prefix: | ewbc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration