XML 87 R2.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Pay vs Performance Disclosure | 12 Months Ended
--- | ---
Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Pay vs Performance Disclosure |  |  |  |  |  |  |  |  |
Pay vs Performance Disclosure, Table |  | Pay Versus Performance The following table sets forth information concerning the compensation of our CEO and other NEOs for each of the fiscal years ending December 31, 2023, 2022, 2021, and 2020, and our financial performance for each such fiscal year.
|  |  |  |  | Value of Initial $100 Investment Based on: |  |
Year | Summary Compensation Table Total for CEO1 | Compensation Actually Paid Total to CEO | Average Summary Compensation Table Total for Non-CEO NEOs2 | Average Compensation Actually Paid to non-CEO NEOs | Total Shareholder Return | Peer Group Total Shareholder Return7 | Net Income ($ in millions) | Return on Equity
20233 | $8,358,550 | $15,412,681 | $1,948,256 | $2,572,881 | $161 | $104 | $1,161 | 17.91%
20224 | $9,076,408 | $6,591,588 | $2,236,396 | $2,110,635 | $135 | $105 | $1,128 | 19.51%
20215 | $8,649,172 | $27,525,426 | $1,938,007 | $3,294,597 | $162 | $126 | $873 | 15.70%
20206 | $6,933,775 | $13,751,400 | $1,284,762 | $1,961,710 | $104 | $90 | $568 | 11.17%
1. | The CEO in 2023, 2022, 2021, and 2020 was Dominic Ng.
2. | The non-CEO NEOs were Christopher J. Del Moral-Niles, Irene H. Oh, Douglas P. Krause, Parker L. Shi, and Gary Teo in 2023, Irene H. Oh, Douglas P. Krause, Parker L. Shi, and Gary Teo in 2022, Irene H. Oh, Douglas P. Krause, Parker L. Shi, and Nick Huang in 2021, and Irene H. Oh, Douglas P. Krause, Andy Yen, Gary Teo, and Catherine Zhou in 2020.
3. | The LTI Plan for the 2023-2025 performance period has an estimated payout of 175%. The LTI Plan for the 2022-2024 performance period has an estimated payout of 175%. The LTI Plan for the 2021-2023 performance period paid out at 178%.
4. | The LTI Plan for the 2022-2024 performance period has an estimated payout of 175%. The LTI Plan for the 2021-2023 performance period has an estimated payout of 174%. The LTI Plan for the 2020-2022 performance period paid out at 182%.
5. | The LTI Plan for the 2021-2023 performance period has an estimated payout of 175%. The LTI Plan for the 2020-2022 performance period has an estimated payout of 174%. The LTI Plan for the 2019-2021 performance period paid out at 182%.
6. | The LTI Plan for the 2020-2022 performance period has an estimated payout of 175%. The LTI Plan for the 2019-2021 performance period has an estimated payout of 175%. The LTI Plan for the 2018-2020 performance period paid out at 167%.
7. | The peer group used is the KBW Nasdaq BANK INDEX (“BKX”).
Named Executive Officers, Footnote |  | The non-CEO NEOs were Christopher J. Del Moral-Niles, Irene H. Oh, Douglas P. Krause, Parker L. Shi, and Gary Teo in 2023, Irene H. Oh, Douglas P. Krause, Parker L. Shi, and Gary Teo in 2022, Irene H. Oh, Douglas P. Krause, Parker L. Shi, and Nick Huang in 2021, and Irene H. Oh, Douglas P. Krause, Andy Yen, Gary Teo, and Catherine Zhou in 2020. |  |  |  |  |  |  |
PEO Total Compensation Amount |  | $ 8,358,550 | [1],[2] | $ 9,076,408 | [1],[3] | $ 8,649,172 | [1],[4] | $ 6,933,775 | [5]
PEO Actually Paid Compensation Amount |  | $ 15,412,681 | [2] | 6,591,588 | [3] | 27,525,426 | [4] | 13,751,400 | [5]
Adjustment To PEO Compensation, Footnote |  | The following table reconciles the total compensation shown in the Summary Compensation Table to the compensation actually paid to NEOs shown in the Pay Versus Performance Table above.
| CEO | Average of Non-CEO NEOs
Year | 2023 | 2022 | 2021 | 2020 | 2023 | 2022 | 2021 | 2020
Summary Compensation Table Total | $8,358,550 | $9,076,408 | $8,649,172 | $6,933,775 | $1,948,256 | $2,236,396 | $1,938,007 | $1,284,762
Less: Fair Value of Stock Awards Granted in Fiscal Year | (4,745,307) | (4,538,539) | (5,065,596) | (4,487,082) | (691,878) | (669,169) | (774,147) | (474,638)
Add: Fair Value of Stock Awards Granted in Fiscal Year - Value at Yearend | 7,767,249 | 6,470,141 | 9,535,338 | 10,627,632 | 970,333 | 953,841 | 1,118,976 | 1,060,278
Change in Fair Value for Stock Awards Granted in Prior Years that were Unvested at the End of Fiscal Year | 1,451,398 | (4,846,683) | 10,881,577 | 1,180,999 | 153,827 | (463,118) | 781,123 | 100,365
Change in Fair Value of Stock Awards Granted in Prior Years that Vesting during the Fiscal Year | 1,919,170 | (237,471) | 2,894,477 | (1,009,781) | 124,875 | (18,447) | 193,214 | (56,099)
Add: Dividends Paid on Unvested Shares Units for the Fiscal Year | 661,621 | 667,731 | 630,458 | 505,857 | 67,467 | 71,132 | 37,423 | 47,041
Compensation Actually Paid | $15,412,681 | $6,591,588 | $27,525,426 | $13,751,400 | $2,572,881 | $2,110,635 | $3,294,597 | $1,961,710
Non-PEO NEO Average Total Compensation Amount | [6] | $ 1,948,256 | [2] | 2,236,396 | [3] | 1,938,007 | [4] | 1,284,762 | [5]
Non-PEO NEO Average Compensation Actually Paid Amount |  | $ 2,572,881 | [2] | 2,110,635 | [3] | 3,294,597 | [4] | 1,961,710 | [5]
Compensation Actually Paid vs. Total Shareholder Return |  | Compensation Actually Paid vs. TSR |  |  |  |  |  |  |
Compensation Actually Paid vs. Net Income |  | Compensation Actually Paid vs. Net Income |  |  |  |  |  |  |
Compensation Actually Paid vs. Company Selected Measure |  | Compensation Actually Paid vs. ROE |  |  |  |  |  |  |
Tabular List, Table |  |
Important Financial Performance Measurement
Return on Assets |  | Return on Equity |  | Total Shareholder Return
Total Shareholder Return Amount |  | $ 161 | [2] | 135 | [3] | 162 | [4] | 104 | [5]
Peer Group Total Shareholder Return Amount | [7] | 104 | [2] | 105 | [3] | 126 | [4] | 90 | [5]
Net Income (Loss) |  | $ 1,161,000,000 | [2] | $ 1,128,000,000 | [3] | $ 873,000,000 | [4] | $ 568,000,000 | [5]
Company Selected Measure Amount |  | 17.91 | [2] | 19.51 | [3] | 15.7 | [4] | 11.17 | [5]
PEO Name |  |  |  |  |  |  |  | Dominic Ng |
Measure:: 1 |  |  |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |  |  |
Name |  | Return on Assets |  |  |  |  |  |  |
Measure:: 2 |  |  |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |  |  |
Name |  | Return on Equity |  |  |  |  |  |  |
Measure:: 3 |  |  |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |  |  |
Name |  | Total Shareholder Return |  |  |  |  |  |  |
PEO | Summary Compensation Table Total [Member] |  |  |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |  |  |
Adjustment to Compensation, Amount |  | $ 8,358,550 |  | $ 9,076,408 |  | $ 8,649,172 |  | $ 6,933,775 |
PEO | Fair Value of Stock Awards Granted in Fiscal Year [Member] |  |  |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |  |  |
Adjustment to Compensation, Amount |  | (4,745,307) |  | (4,538,539) |  | (5,065,596) |  | (4,487,082) |
PEO | Fair Value of Stock Awards Granted in Fiscal Year Value at Yearend [Member] |  |  |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |  |  |
Adjustment to Compensation, Amount |  | 7,767,249 |  | 6,470,141 |  | 9,535,338 |  | 10,627,632 |
PEO | Fair Value for Stock Awards Granted in Prior Years that were Unvested at the End of Fiscal Year [Member] |  |  |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |  |  |
Adjustment to Compensation, Amount |  | 1,451,398 |  | (4,846,683) |  | 10,881,577 |  | 1,180,999 |
PEO | Fair Value of Stock Awards Granted in Prior Years that Vesting during the Fiscal Year [Member] |  |  |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |  |  |
Adjustment to Compensation, Amount |  | 1,919,170 |  | (237,471) |  | 2,894,477 |  | (1,009,781) |
PEO | Dividends Paid on Unvested Shares Units for the Fiscal Year [Member] |  |  |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |  |  |
Adjustment to Compensation, Amount |  | 661,621 |  | 667,731 |  | 630,458 |  | 505,857 |
PEO | Compensation Actually Paid [Member] |  |  |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |  |  |
Adjustment to Compensation, Amount |  | 15,412,681 |  | 6,591,588 |  | 27,525,426 |  | 13,751,400 |
Non-PEO NEO | Summary Compensation Table Total [Member] |  |  |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |  |  |
Adjustment to Compensation, Amount |  | 1,948,256 |  | 2,236,396 |  | 1,938,007 |  | 1,284,762 |
Non-PEO NEO | Fair Value of Stock Awards Granted in Fiscal Year [Member] |  |  |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |  |  |
Adjustment to Compensation, Amount |  | (691,878) |  | (669,169) |  | (774,147) |  | (474,638) |
Non-PEO NEO | Fair Value of Stock Awards Granted in Fiscal Year Value at Yearend [Member] |  |  |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |  |  |
Adjustment to Compensation, Amount |  | 970,333 |  | 953,841 |  | 1,118,976 |  | 1,060,278 |
Non-PEO NEO | Fair Value for Stock Awards Granted in Prior Years that were Unvested at the End of Fiscal Year [Member] |  |  |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |  |  |
Adjustment to Compensation, Amount |  | 153,827 |  | (463,118) |  | 781,123 |  | 100,365 |
Non-PEO NEO | Fair Value of Stock Awards Granted in Prior Years that Vesting during the Fiscal Year [Member] |  |  |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |  |  |
Adjustment to Compensation, Amount |  | 124,875 |  | (18,447) |  | 193,214 |  | (56,099) |
Non-PEO NEO | Dividends Paid on Unvested Shares Units for the Fiscal Year [Member] |  |  |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |  |  |
Adjustment to Compensation, Amount |  | 67,467 |  | 71,132 |  | 37,423 |  | 47,041 |
Non-PEO NEO | Compensation Actually Paid [Member] |  |  |  |  |  |  |  |  |
Pay vs Performance Disclosure |  |  |  |  |  |  |  |  |
Adjustment to Compensation, Amount |  | $ 2,572,881 |  | $ 2,110,635 |  | $ 3,294,597 |  | $ 1,961,710 |
[1] | The CEO in 2023, 2022, 2021, and 2020 was Dominic Ng.
[2] | The LTI Plan for the 2023-2025 performance period has an estimated payout of 175%. The LTI Plan for the 2022-2024 performance period has an estimated payout of 175%. The LTI Plan for the 2021-2023 performance period paid out at 178%.
[3] | The LTI Plan for the 2022-2024 performance period has an estimated payout of 175%. The LTI Plan for the 2021-2023 performance period has an estimated payout of 174%. The LTI Plan for the 2020-2022 performance period paid out at 182%.
[4] | The LTI Plan for the 2021-2023 performance period has an estimated payout of 175%. The LTI Plan for the 2020-2022 performance period has an estimated payout of 174%. The LTI Plan for the 2019-2021 performance period paid out at 182%.
[5] | The LTI Plan for the 2020-2022 performance period has an estimated payout of 175%. The LTI Plan for the 2019-2021 performance period has an estimated payout of 175%. The LTI Plan for the 2018-2020 performance period paid out at 167%.
[6] | The non-CEO NEOs were Christopher J. Del Moral-Niles, Irene H. Oh, Douglas P. Krause, Parker L. Shi, and Gary Teo in 2023, Irene H. Oh, Douglas P. Krause, Parker L. Shi, and Gary Teo in 2022, Irene H. Oh, Douglas P. Krause, Parker L. Shi, and Nick Huang in 2021, and Irene H. Oh, Douglas P. Krause, Andy Yen, Gary Teo, and Catherine Zhou in 2020.
[7] | The peer group used is the KBW Nasdaq BANK INDEX (“BKX”).

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 3 + Details
Name: | ecd_AdjToCompAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 3 + Details
Name: | ecd_AdjToPeoCompFnTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph vi + Details
Name: | ecd_CoSelectedMeasureAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 5 -Subparagraph iii + Details
Name: | ecd_CompActuallyPaidVsCoSelectedMeasureTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 5 -Subparagraph ii + Details
Name: | ecd_CompActuallyPaidVsNetIncomeTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 5 -Subparagraph i + Details
Name: | ecd_CompActuallyPaidVsTotalShareholderRtnTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph vi + Details
Name: | ecd_MeasureName
Namespace Prefix: | ecd_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 3 + Details
Name: | ecd_NamedExecutiveOfficersFnTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph iii + Details
Name: | ecd_NonPeoNeoAvgCompActuallyPaidAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph ii + Details
Name: | ecd_NonPeoNeoAvgTotalCompAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph iv + Details
Name: | ecd_PeerGroupTotalShareholderRtnAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph iii + Details
Name: | ecd_PeoActuallyPaidCompAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 3 + Details
Name: | ecd_PeoName
Namespace Prefix: | ecd_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph ii + Details
Name: | ecd_PeoTotalCompAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 1 + Details
Name: | ecd_PvpTable
Namespace Prefix: | ecd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 1 + Details
Name: | ecd_PvpTableTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 6 + Details
Name: | ecd_TabularListTableTextBlock
Namespace Prefix: | ecd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K -Number 229 -Section 402 -Subsection v -Paragraph 2 -Subparagraph iv + Details
Name: | ecd_TotalShareholderRtnAmt
Namespace Prefix: | ecd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(g)(1)(ii)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481687/323-10-50-3 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 28 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482907/825-10-50-28 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482765/220-10-50-6 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-3 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-1 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 65 -Paragraph 1 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480175/815-40-65-1 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-8 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-9 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-11 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-11 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 250 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-4 Reference 13: http://www.xbrl.org/2003/role/exampleRef -Topic 946 -SubTopic 830 -Name Accounting Standards Codification -Section 55 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480167/946-830-55-10 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section 45 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483581/946-220-45-7 Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(18)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483586/944-220-S99-1 Reference 16: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-22 Reference 17: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(9)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1 Reference 18: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-09(1)(d)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483575/946-220-S99-3 Reference 19: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(i)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A Reference 20: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(ii)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A Reference 21: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(iii)(A)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A Reference 22: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(4)(iv)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A Reference 23: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1A -Subparagraph (SX 210.13-01(a)(5)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1A Reference 24: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(i)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B Reference 25: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(iii)(A)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B Reference 26: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(iii)(B)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B Reference 27: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(4)(iv)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B Reference 28: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1B -Subparagraph (SX 210.13-02(a)(5)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480097/470-10-S99-1B Reference 29: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 30 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-30 Reference 30: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 31: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 60B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482689/260-10-45-60B Reference 32: http://www.xbrl.org/2003/role/exampleRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 31 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-31 Reference 33: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482810/280-10-50-32 Reference 34: http://www.xbrl.org/2003/role/disclosureRef -Topic 205 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483499/205-20-50-7 Reference 35: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 Reference 36: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-1A Reference 37: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-1B Reference 38: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(20)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 Reference 39: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(22)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483589/942-220-S99-1 + Details
Name: | us-gaap_NetIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ecd_MeasureAxis=1
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_MeasureAxis=2
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_MeasureAxis=3
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_ExecutiveCategoryAxis=ecd_PeoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_IndividualAxis=ewbc_SummaryCompensationTableTotalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_IndividualAxis=ewbc_FairValueOfStockAwardsGrantedInFiscalYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_IndividualAxis=ewbc_FairValueOfStockAwardsGrantedInFiscalYearValueAtYearendMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_IndividualAxis=ewbc_FairValueForStockAwardsGrantedInPriorYearsThatWereUnvestedAtTheEndOfFiscalYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_IndividualAxis=ewbc_FairValueOfStockAwardsGrantedInPriorYearsThatVestingDuringTheFiscalYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_IndividualAxis=ewbc_DividendsPaidOnUnvestedSharesUnitsForTheFiscalYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_IndividualAxis=ewbc_CompensationActuallyPaidMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ecd_ExecutiveCategoryAxis=ecd_NonPeoNeoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |