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Fair Value Measurement and Fair Value of Financial Instruments (Tables)
6 Months Ended
Jun. 30, 2024
Fair Value Disclosures [Abstract]  
Schedule Of Financial Assets (Liabilities) Measured At Fair Value On a Recurring Basis
The following tables present financial assets and liabilities that are measured at fair value on a recurring basis as of June 30, 2024 and December 31, 2023:
Assets and Liabilities Measured at Fair Value on a Recurring Basis
as of June 30, 2024
($ in thousands)
Level 1
Level 2
Level 3
Total
Fair Value
AFS debt securities:
U.S. Treasury securities$623,757 $— $— $623,757 
U.S. government agency and U.S. government-sponsored enterprise debt securities— 260,388 — 260,388 
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities (1):
Commercial mortgage-backed securities— 444,847 — 444,847 
Residential mortgage-backed securities— 5,718,818 — 5,718,818 
Municipal securities— 256,563 — 256,563 
Non-agency mortgage-backed securities:
Commercial mortgage-backed securities— 320,637 — 320,637 
Residential mortgage-backed securities— 474,618 — 474,618 
Corporate debt securities— 507,130 — 507,130 
Foreign government bonds— 233,724 — 233,724 
Asset-backed securities— 38,593 — 38,593 
Collateralized loan obligations (“CLOs”)— 44,453 — 44,453 
Total AFS debt securities
$623,757 $8,299,771 $ $8,923,528 
Affordable housing partnership, tax credit and CRA investments, net:
Equity securities$20,443 $4,159 $— $24,602 
Total affordable housing partnership, tax credit and CRA investments, net
$20,443 $4,159 $ $24,602 
Other assets
Equity securities (2)
$471 $— $— $471 
Total other assets
$471 $ $ $471 
Derivative assets:
Interest rate contracts$— $459,590 $— $459,590 
Foreign exchange contracts— 33,684 — 33,684 
Equity contracts— — 240 240 
Commodity contracts— 60,946 — 60,946 
Gross derivative assets$ $554,220 $240 $554,460 
Netting adjustments (3)
$— $(441,810)$— $(441,810)
Net derivative assets$ $112,410 $240 $112,650 
Derivative liabilities:
Interest rate contracts$— $501,514 $— $501,514 
Foreign exchange contracts— 25,598 — 25,598 
Equity contracts (4)
— — 15,119 15,119 
Credit contracts— 14 — 14 
Commodity contracts— 70,900 — 70,900 
Gross derivative liabilities$ $598,026 $15,119 $613,145 
Netting adjustments (3)
$— $(109,190)$— $(109,190)
Net derivative liabilities$ $488,836 $15,119 $503,955 
Refer to footnotes on the following page.
Assets and Liabilities Measured at Fair Value on a Recurring Basis
as of December 31, 2023
($ in thousands)
Level 1
Level 2
Level 3
Total
Fair Value
AFS debt securities:
U.S. Treasury securities$1,060,375 $— $— $1,060,375 
U.S. government agency and U.S. government-sponsored enterprise debt securities— 364,446 — 364,446 
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities (1):
Commercial mortgage-backed securities— 468,259 — 468,259 
Residential mortgage-backed securities— 1,727,594 — 1,727,594 
Municipal securities— 261,016 — 261,016 
Non-agency mortgage-backed securities:
Commercial mortgage-backed securities— 367,516 — 367,516 
Residential mortgage-backed securities— 553,671 — 553,671 
Corporate debt securities— 502,425 — 502,425 
Foreign government bonds— 227,874 — 227,874 
Asset-backed securities— 42,300 — 42,300 
CLOs— 612,861 — 612,861 
Total AFS debt securities
$1,060,375 $5,127,962 $ $6,188,337 
Affordable housing partnership, tax credit and CRA investments, net:
Equity securities$20,509 $4,150 $— $24,659 
Affordable housing partnership, tax credit and CRA investments, net
$20,509 $4,150 $ $24,659 
Derivative assets:
Interest rate contracts$— $473,907 $— $473,907 
Foreign exchange contracts— 57,072 — 57,072 
Credit contracts— — 
Equity contracts— — 336 336 
Commodity contracts— 79,604 — 79,604 
Gross derivative assets$ $610,584 $336 $610,920 
Netting adjustments (3)
$— $(312,792)$— $(312,792)
Net derivative assets$ $297,792 $336 $298,128 
Derivative liabilities:
Interest rate contracts$— $433,936 $— $433,936 
Foreign exchange contracts— 42,564 — 42,564 
Equity contracts (4)
— — 15,119 15,119 
Credit contracts— 25 — 25 
Commodity contracts— 121,670 — 121,670 
Gross derivative liabilities$ $598,195 $15,119 $613,314 
Netting adjustments (3)
$— $(76,170)$— $(76,170)
Net derivative liabilities$ $522,025 $15,119 $537,144 
(1)Includes Government National Mortgage Association (“GNMA”) AFS debt securities totaling $5.2 billion and $1.2 billion of fair value as of June 30, 2024 and December 31, 2023, respectively.
(2)Represents the Visa C shares recognized at fair value in Other assets on the Consolidated Balance Sheet and recorded gain in Other investment income on the Consolidated Statement of Income. See Note 3 — Fair Value Measurement and Fair Value of Financial Instruments to the Consolidated Financial Statements in this Form 10-Q for additional information.
(3)Represents the balance sheet netting of derivative assets and liabilities and related cash collateral under master netting agreements or similar agreements. See Note 6 — Derivatives to the Consolidated Financial Statements in this Form 10-Q for additional information.
(4)Equity contracts classified as derivative liabilities consist of performance-based RSUs granted as part of EWBC’s consideration in its investment in Rayliant.
Schedule Of Reconciliation Of The Beginning And Ending Balances Of Equity Contracts Measured At Fair Value On a Recurring Basis Using Significant Unobservable Inputs (Level 3) The following table provides a reconciliation of the beginning and ending balances of these equity contracts for the three and six months ended June 30, 2024 and 2023:
Three Months Ended June 30,Six Months Ended June 30,
($ in thousands)2024202320242023
Derivative assets:
Equity contracts
Beginning balance$330 $277 $336 $323 
Total losses included in earnings (1)
(90)(14)(96)(60)
Ending balance$240 $263 $240 $263 
Derivative liabilities:
Equity contracts (2)
Beginning balance$15,119 $— $15,119 $— 
Total gains (losses) included in earnings    
Ending balance$15,119 $ $15,119 $ 
(1)Includes unrealized losses recorded in Lending fees on the Consolidated Statement of Income.
(2)Equity contracts classified as derivative liabilities consist of performance-based RSUs granted as part of EWBC’s consideration in its investment in Rayliant.
Schedule Of Quantitative Information About Significant Unobservable Inputs Used In The Valuation Of Level 3 Fair Value Measurements
The following table presents quantitative information about the significant unobservable inputs used in the valuation of Level 3 fair value measurements as of June 30, 2024 and December 31, 2023. The significant unobservable inputs presented in the table below are those that the Company considers significant to the fair value of the Level 3 assets. The Company considers unobservable inputs to be significant if, by their exclusion, the fair value of the Level 3 assets would be impacted by a predetermined percentage change.
($ in thousands)Fair Value Measurements (Level 3)Valuation TechniqueUnobservable InputsRange of Inputs
Weighted-Average of Inputs
June 30, 2024
Derivative assets:
Equity contracts$240 
Black-Scholes option pricing model
Equity volatility
34% — 48%
44 %
(1)
Liquidity discount47%47 %
Derivative liabilities:
Equity contracts (2)
$15,119 
Internal model
Payout % designated based on operating revenue and operating EBITDA of investee
84%84 %
December 31, 2023
Derivative assets:
Equity contracts$336 
Black-Scholes option pricing model
Equity volatility
37% — 48%
45 %
(1)
Liquidity discount47%47 %
Derivative liabilities:
Equity contracts (2)
$15,119 
Internal model
Payout % designated based on operating revenue and operating EBITDA of investee
84%84 %
(1)Weighted-average of inputs is calculated based on the fair value of equity contracts as of both June 30, 2024 and December 31, 2023.
(2)Equity contracts classified as derivative liabilities consist of performance-based RSUs granted as part of EWBC’s consideration in its investment in Rayliant.
The following table presents the quantitative information about the significant unobservable inputs used in the valuation of Level 3 fair value measurements that are measured on a nonrecurring basis as of June 30, 2024 and December 31, 2023:
($ in thousands)Fair Value Measurements (Level 3)Valuation TechniquesUnobservable InputsRange of InputsWeighted-Average of Inputs
June 30, 2024
Loans held-for-investment$7,219 Fair value of collateralDiscount
20% — 50%
24%
(1)
$13,793 Fair value of collateralContract value
NM
NM
$52,070 Fair value of propertySelling cost
8% — 20%
10%
(1)
OREO$8,565 Fair value of propertySelling cost8%8%
December 31, 2023
Loans held-for-investment$16,328 Fair value of collateralDiscount
15% — 75%
45%
(1)
$3,009 Fair value of collateralContract valueNMNM
$26,555 Fair value of propertySelling cost
8%
8%
Affordable housing partnership, tax credit and CRA investments, net
$868 Individual analysis of each investmentExpected future tax benefits and distributionsNMNM
NM — Not meaningful.
(1)Weighted-average of inputs is based on the relative fair value of the respective assets as of June 30, 2024 and December 31, 2023.
Schedule Of Carrying Amounts Of Assets That Were Still Held And Had Fair Value Adjustments Measured On a Nonrecurring Basis
The following tables present the carrying amounts of assets that were still held and had fair value adjustments measured on a nonrecurring basis as of June 30, 2024 and December 31, 2023:
Assets Measured at Fair Value on a Nonrecurring Basis
as of June 30, 2024
($ in thousands)
Level 1
Level 2
Level 3
Fair Value Measurements
Loans held-for-investment:
Commercial:
Commercial and industrial (“C&I”)$— $— $44,605 $44,605 
Commercial real estate (“CRE”):
CRE— — 17,069 17,069 
Construction and land— — 11,316 11,316 
Total commercial  72,990 72,990 
Consumer:
Residential mortgage:
Single-family residential— — 92 92 
Total consumer  92 92 
Total loans held-for-investment$ $ $73,082 $73,082 
OREO (1)
$ $ $8,565 $8,565 
(1)Represents the carrying value of OREO property that was written down subsequent to its initial classification as OREO and includes in Other assets on the Consolidated Balance Sheet.

Assets Measured at Fair Value on a Nonrecurring Basis
as of December 31, 2023
($ in thousands)
Level 1
Level 2
Level 3
Fair Value Measurements
Loans held-for-investment:
Commercial:
C&I$— $— $22,035 $22,035 
CRE:
CRE— — 22,653 22,653 
Total commercial  44,688 44,688 
Consumer:
Residential mortgage:
Home equity lines of credit (“HELOCs”)
— — 1,204 1,204 
Total consumer  1,204 1,204 
Total loans held-for-investment$ $ $45,892 $45,892 
Affordable housing partnership, tax credit and CRA investments, net
$ $ $868 $868 
Schedule Of Increase (Decrease) In Fair Value Of Assets For Which a Fair Value Adjustment Was Recognized, Nonrecurring Basis
The following table presents the decrease in the fair value of certain assets held at the end of the respective reporting periods, for which a nonrecurring fair value adjustment was recognized for the three and six months ended June 30, 2024 and 2023:
Three Months Ended June 30,Six Months Ended June 30,
($ in thousands)2024202320242023
Loans held-for-investment:
Commercial:
C&I$(14,764)$(10,419)$(24,769)$(11,674)
CRE:
CRE(2,260)(2,252)(2,260)(2,252)
Construction and land(920)— (2,144)— 
Total CRE(3,180)(2,252)(4,404)(2,252)
Total commercial(17,944)(12,671)(29,173)(13,926)
Consumer:
Residential mortgage:
Single-family residential(23)— (1,407)— 
Total consumer(23) (1,407) 
Total loans held-for-investment$(17,967)$(12,671)$(30,580)$(13,926)
Affordable housing partnership, tax credit and CRA investments, net
$ $(961)$ $(787)
OREO$(2,576)$ $(2,576)$ 
Schedule Of The Carrying And Fair Value Estimates Per The Fair Value Hierarchy Of Financial Instruments Measured On a Nonrecurring Basis
The following tables present the fair value estimates for financial instruments as of June 30, 2024 and December 31, 2023, excluding financial instruments recorded at fair value on a recurring basis as they are included in the tables presented elsewhere in this Note. The carrying amounts in the following tables are recorded on the Consolidated Balance Sheet under the indicated captions, except for accrued interest receivable, restricted equity securities, at cost, and mortgage servicing rights that are included in Other assets, and accrued interest payable which is included in Accrued expenses and other liabilities. These financial instruments are measured on an amortized cost basis on the Company’s Consolidated Balance Sheet.
June 30, 2024
($ in thousands)Carrying AmountLevel 1Level 2Level 3Estimated Fair Value
Financial assets:
Cash and cash equivalents$4,365,691 $4,365,691 $— $— $4,365,691 
Interest-bearing deposits with banks$24,530 $— $24,530 $— $24,530 
Resale agreements$485,000 $— $390,522 $— $390,522 
HTM debt securities$2,938,250 $487,707 $1,917,520 $— $2,405,227 
Restricted equity securities, at cost$165,164 $— $165,164 $— $165,164 
Loans held-for-sale$18,909 $— $18,909 $— $18,909 
Loans held-for-investment, net$52,084,115 $— $— $50,340,499 $50,340,499 
Mortgage servicing rights$5,903 $— $— $10,385 $10,385 
Accrued interest receivable$329,442 $— $329,442 $— $329,442 
Financial liabilities:
Demand, checking, savings and money market deposits$38,229,098 $— $38,229,098 $— $38,229,098 
Time deposits$21,770,687 $— $21,726,174 $— $21,726,174 
FHLB advances$3,500,000 $— $3,504,276 $— $3,504,276 
Long-term debt$31,844 $— $30,316 $— $30,316 
Accrued interest payable$63,078 $— $63,078 $— $63,078 
December 31, 2023
($ in thousands)Carrying AmountLevel 1Level 2Level 3Estimated Fair Value
Financial assets:
Cash and cash equivalents$4,614,984 $4,614,984 $— $— $4,614,984 
Interest-bearing deposits with banks$10,498 $— $10,498 $— $10,498 
Resale agreements$785,000 $— $699,056 $— $699,056 
HTM debt securities$2,956,040 $488,551 $1,965,420 $— $2,453,971 
Restricted equity securities, at cost$79,811 $— $79,811 $— $79,811 
Loans held-for-sale$116 $— $116 $— $116 
Loans held-for-investment, net$51,542,039 $— $— $50,256,565 $50,256,565 
Mortgage servicing rights$6,602 $— $— $9,470 $9,470 
Accrued interest receivable$331,490 $— $331,490 $— $331,490 
Financial liabilities:
Demand, checking, savings and money market deposits$38,048,974 $— $38,048,974 $— $38,048,974 
Time deposits$18,043,464 $— $18,004,951 $— $18,004,951 
BTFP borrowings
$4,500,000 $— $4,500,000 $— $4,500,000 
Long-term debt$148,249 $— $150,896 $— $150,896 
Accrued interest payable$205,430 $— $205,430 $— $205,430