XML 77 R55.htm IDEA: XBRL DOCUMENT
v3.19.3

Securities Purchased under Resale Agreements and Sold under Repurchase Agreements (Repurchase Agreements) (Details) - USD ($) $ in Thousands | Sep. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Amount of securities sold under repurchase agreements |  |
Maturities Remainder of 2019 | $ 0 |
Maturities 2020 | 0 |
Maturities 2021 | 0 |
Maturities 2022 | 150,000 |
Maturities 2023 | 300,000 |
Maturities thereafter | 0 |
Gross repurchase agreements | $ 450,000 | $ 450,000

X
- Definition Securities Sold Under Agreements To Repurchase Maturing Remainder of Fiscal Year + References No definition available. + Details
Name: | ewbc_SecuritiesSoldUnderAgreementsToRepurchaseMaturingRemainderofFiscalYear
Namespace Prefix: | ewbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Securities Sold Under Agreements To Repurchase Maturing in Year Five + References No definition available. + Details
Name: | ewbc_SecuritiesSoldUnderAgreementsToRepurchaseMaturinginYearFive
Namespace Prefix: | ewbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Securities Sold Under Agreements To Repurchase Maturing in Year Four + References No definition available. + Details
Name: | ewbc_SecuritiesSoldUnderAgreementsToRepurchaseMaturinginYearFour
Namespace Prefix: | ewbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Securities Sold Under Agreements To Repurchase Maturing in Year Three + References No definition available. + Details
Name: | ewbc_SecuritiesSoldUnderAgreementsToRepurchaseMaturinginYearThree
Namespace Prefix: | ewbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Securities Sold Under Agreements To Repurchase Maturing in Year Two + References No definition available. + Details
Name: | ewbc_SecuritiesSoldUnderAgreementsToRepurchaseMaturinginYearTwo
Namespace Prefix: | ewbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Securities Sold under Agreements to Repurchase Year Six And Thereafter + References No definition available. + Details
Name: | ewbc_SecuritiesSoldUnderAgreementsToRepurchaseYearSixAndThereafter
Namespace Prefix: | ewbc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_LongTermDebtByMaturityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, before effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313 + Details
Name: | us-gaap_SecuritiesSoldUnderAgreementsToRepurchaseGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant