East West Bancorp (EWBC) 10-Q 8 Aug 24 2024 Q2 Quarterly report Financial data

Cover Page

Cover Page - shares	6 Months Ended
	Jun. 30, 2024	Jul. 31, 2024
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2024
Document Transition Report	false
Entity File Number	000-24939
Entity Registrant Name	EAST WEST BANCORP, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	95-4703316
Entity Address, Address Line One	135 North Los Robles Ave.
Entity Address, Address Line Two	7th Floor
Entity Address, City or Town	Pasadena
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	91101
City Area Code	626
Local Phone Number	768-6000
Title of each class	Common Stock, par value $0.001 per share
Trading Symbol	EWBC
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		138,605,194
Entity Central Index Key	0001069157
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q2
Amendment Flag	false

CONSOLIDATED BALANCE SHEET

CONSOLIDATED BALANCE SHEET - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
ASSETS
Cash and due from banks	$ 460,611	$ 444,793
Interest-bearing cash with banks	3,905,080	4,170,191
Cash and cash equivalents	4,365,691	4,614,984
Interest-bearing deposits with banks	24,530	10,498
Securities purchased under resale agreements (“resale agreements”)	485,000	785,000
Securities:
Available-for-sale (“AFS”) debt securities, at fair value (amortized cost of $9,644,377 and $6,916,491)	8,923,528	6,188,337
Held-to-maturity (“HTM”) debt securities, at amortized cost (fair value of $2,405,227 and $2,453,971)	2,938,250	2,956,040
Loans held-for-sale	18,909	116
Loans held-for-investment (net of allowance for loan losses of $683,794 and $668,743)	52,084,115	51,542,039
Affordable housing partnership, tax credit and Community Reinvestment Act (“CRA”) investments, net	956,428	905,036
Premises and equipment (net of accumulated depreciation of $162,030 and $157,622)	81,675	86,370
Goodwill	465,697	465,697
Operating lease right-of-use assets	81,941	94,024
Other assets	2,042,508	1,964,743
TOTAL	72,468,272	69,612,884
Deposits:
Noninterest-bearing	14,922,741	15,539,872
Interest-bearing	45,077,044	40,552,566
Total deposits	59,999,785	56,092,438
Bank Term Funding Program (“BTFP”) borrowings	0	4,500,000
Federal Home Loan Bank (“FHLB”) advances	3,500,000	0
Long-term debt and finance lease liabilities	36,141	153,011
Operating lease liabilities	89,644	102,353
Accrued expenses and other liabilities	1,627,588	1,814,248
Total liabilities	65,253,158	62,662,050
COMMITMENTS AND CONTINGENCIES (Note 11)
STOCKHOLDERS’ EQUITY
Common stock, $0.001 par value, 200,000,000 shares authorized; 169,882,407 and 169,372,230 shares issued	170	169
Additional paid-in capital	2,007,388	1,980,818
Retained earnings	6,873,653	6,465,230
Treasury stock, at cost 31,277,970 and 29,344,863 shares	(1,011,924)	(874,787)
Accumulated other comprehensive loss (“AOCI”), net of tax	(654,173)	(620,596)
Total stockholders’ equity	7,215,114	6,950,834
TOTAL	$ 72,468,272	$ 69,612,884

CONSOLIDATED BALANCE SHEET (Par

CONSOLIDATED BALANCE SHEET (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
ASSETS
AFS debt securities, amortized cost	$ 9,644,377	$ 6,916,491
HTM debt securities, fair value	2,405,227	2,453,971
Allowance for loan losses	683,794	668,743
Premises and equipment, accumulated depreciation	$ 162,030	$ 157,622
STOCKHOLDERS’ EQUITY
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	200,000,000	200,000,000
Common stock, shares issued (in shares)	169,882,407	169,372,230
Treasury stock, shares (in shares)	31,277,970	29,344,863

CONSOLIDATED STATEMENT OF INCOM

CONSOLIDATED STATEMENT OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
INTEREST AND DIVIDEND INCOME
Loans receivable, including fees	$ 868,441	$ 771,264	$ 1,734,830	$ 1,499,650
Debt securities	111,732	68,970	187,124	134,901
Resale agreements	1,885	3,969	8,000	8,472
Restricted equity securities	2,950	936	4,289	1,975
Interest-bearing cash and deposits with banks	49,406	60,995	123,788	96,642
Total interest and dividend income	1,034,414	906,134	2,058,031	1,741,640
INTEREST EXPENSE
Deposits	431,482	287,477	837,681	504,271
Federal funds purchased and other short-term borrowings	32	49,032	42,138	57,857
FHLB advances	48,840	0	56,579	6,430
Securities sold under repurchase agreements (“repurchase agreements”)	58	211	93	1,263
Long-term debt and finance lease liabilities	773	2,668	3,172	5,212
Total interest expense	481,185	339,388	939,663	575,033
Net interest income before provision for credit losses	553,229	566,746	1,118,368	1,166,607
Provision for credit losses	37,000	26,000	62,000	46,000
Net interest income after provision for credit losses	516,229	540,746	1,056,368	1,120,607
NONINTEREST INCOME
Deposit account fees	25,649	23,369	50,597	46,423
Lending fees	24,340	20,901	47,265	41,487
Foreign exchange income	12,924	12,167	24,393	23,476
Wealth management fees	9,478	6,944	18,115	13,291
Customer derivative income	5,764	7,373	9,514	9,937
Net gains (losses) on sales of loans	56	(7)	15	(29)
Net gains (losses) on AFS debt securities	1,785	0	1,834	(10,000)
Other investment income	586	4,003	3,401	5,924
Other income	4,091	3,881	8,527	8,100
Total noninterest income	84,673	78,631	163,661	138,609
NONINTEREST EXPENSE
Compensation and employee benefits	133,588	124,937	275,400	254,591
Occupancy and equipment expense	15,031	16,088	30,261	31,675
Deposit insurance premiums and regulatory assessments	10,708	8,262	30,357	16,172
Deposit account expense	12,050	10,559	24,238	20,168
Computer software and data processing expenses	11,392	10,692	22,736	21,399
Other operating expense	37,613	35,337	71,058	70,207
Amortization of tax credit and CRA investments	16,052	55,914	29,259	66,024
Total noninterest expense	236,434	261,789	483,309	480,236
INCOME BEFORE INCOME TAXES	364,468	357,588	736,720	778,980
INCOME TAX EXPENSE	76,238	45,557	163,415	144,510
NET INCOME	$ 288,230	$ 312,031	$ 573,305	$ 634,470
EARNINGS PER SHARE (“EPS”)
BASIC (in dollars per share)	$ 2.07	$ 2.21	$ 4.12	$ 4.49
DILUTED (in dollars per share)	$ 2.06	$ 2.20	$ 4.09	$ 4.47
WEIGHTED-AVERAGE NUMBER OF SHARES OUTSTANDING
BASIC (in shares)	138,980	141,468	139,195	141,291
DILUTED (in shares)	139,801	141,876	140,047	141,910

CONSOLIDATED STATEMENT OF COMPR

CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 288,230	$ 312,031	$ 573,305	$ 634,470
Other comprehensive income (loss), net of tax:
Net changes in unrealized gains (losses) on AFS debt securities	7,516	(43,618)	5,199	7,701
Amortization of unrealized losses on debt securities transferred from AFS to HTM	2,708	2,816	5,396	5,578
Net changes in unrealized losses on cash flow hedges	(353)	(53,887)	(46,683)	(25,274)
Foreign currency translation adjustments	(1,311)	(7,249)	2,511	(4,308)
Other comprehensive income (loss)	8,560	(101,938)	(33,577)	(16,303)
COMPREHENSIVE INCOME	$ 296,790	$ 210,093	$ 539,728	$ 618,167

CONSOLIDATED STATEMENT OF CHANG

CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS’ EQUITY - USD ($) $ in Thousands		Total	Cumulative Effect, Period Of Adoption, Adjustment	Various Stock Compensation Plans And Agreements	Stock Repurchase Plan	Common Stock	Common Stock Various Stock Compensation Plans And Agreements	Common Stock Stock Repurchase Plan	Common Stock and Additional Paid-in Capital	Retained Earnings	Retained Earnings Cumulative Effect, Period Of Adoption, Adjustment	Treasury Stock	Treasury Stock Various Stock Compensation Plans And Agreements	Treasury Stock Stock Repurchase Plan	AOCI, Net of Tax
Beginning balance (in shares) at Dec. 31, 2022						140,947,846
Beginning balance at Dec. 31, 2022		$ 5,984,612							$ 1,936,557	$ 5,582,546		$ (768,862)			$ (765,629)
Beginning balance (Accounting Standards Update 2022-02) at Dec. 31, 2022	[1]		$ (4,262)								$ (4,262)
Increase (Decrease) in Stockholders' Equity
Net income		634,470								634,470
Other comprehensive income (loss)		(16,303)													(16,303)
Issuance of common stock pursuant to various stock compensation plans and agreements (in shares)						851,819
Issuance of common stock pursuant to various stock compensation plans and agreements		23,227							23,227
Repurchase of common stock pursuant to the stock repurchase program/various stock compensation plans and agreements (in shares)							(315,997)
Repurchase of common stock pursuant to the stock repurchase program/various stock compensation plans and agreements				$ (23,028)									$ (23,028)
Cash dividends on common stock		(137,019)								(137,019)
Ending balance (in shares) at Jun. 30, 2023						141,483,668
Ending balance at Jun. 30, 2023		6,461,697							1,959,784	6,075,735		(791,890)			(781,932)
Beginning balance (in shares) at Mar. 31, 2023						141,395,800
Beginning balance at Mar. 31, 2023		6,309,331							1,947,687	5,832,291		(790,653)			(679,994)
Increase (Decrease) in Stockholders' Equity
Net income		312,031								312,031
Other comprehensive income (loss)		(101,938)													(101,938)
Issuance of common stock pursuant to various stock compensation plans and agreements (in shares)						111,097
Issuance of common stock pursuant to various stock compensation plans and agreements		12,097							12,097
Repurchase of common stock pursuant to the stock repurchase program/various stock compensation plans and agreements (in shares)							(23,229)
Repurchase of common stock pursuant to the stock repurchase program/various stock compensation plans and agreements				(1,237)									(1,237)
Cash dividends on common stock		(68,587)								(68,587)
Ending balance (in shares) at Jun. 30, 2023						141,483,668
Ending balance at Jun. 30, 2023		6,461,697							1,959,784	6,075,735		(791,890)			(781,932)
Beginning balance (in shares) at Dec. 31, 2023						140,027,367
Beginning balance at Dec. 31, 2023		6,950,834							1,980,987	6,465,230		(874,787)			(620,596)
Beginning balance (Accounting Standards Update 2023-02) at Dec. 31, 2023	[2]		$ (9,482)								$ (9,482)
Increase (Decrease) in Stockholders' Equity
Net income		573,305								573,305
Other comprehensive income (loss)		(33,577)													(33,577)
Issuance of common stock pursuant to various stock compensation plans and agreements (in shares)						510,177
Issuance of common stock pursuant to various stock compensation plans and agreements		26,571							26,571
Repurchase of common stock pursuant to the stock repurchase program/various stock compensation plans and agreements (in shares)							(190,611)	(1,742,496)
Repurchase of common stock pursuant to the stock repurchase program/various stock compensation plans and agreements				(13,916)	$ (123,221)								(13,916)	$ (123,221)
Cash dividends on common stock		(155,400)								(155,400)
Ending balance (in shares) at Jun. 30, 2024						138,604,437
Ending balance at Jun. 30, 2024		7,215,114							2,007,558	6,873,653		(1,011,924)			(654,173)
Beginning balance (in shares) at Mar. 31, 2024						139,121,162
Beginning balance at Mar. 31, 2024		7,023,232							1,993,976	6,662,919		(970,930)			(662,733)
Increase (Decrease) in Stockholders' Equity
Net income		288,230								288,230
Other comprehensive income (loss)		8,560													8,560
Issuance of common stock pursuant to various stock compensation plans and agreements (in shares)						46,938
Issuance of common stock pursuant to various stock compensation plans and agreements		13,582							13,582
Repurchase of common stock pursuant to the stock repurchase program/various stock compensation plans and agreements (in shares)							(3,018)	(560,645)
Repurchase of common stock pursuant to the stock repurchase program/various stock compensation plans and agreements				$ (214)	$ (40,780)								$ (214)	$ (40,780)
Cash dividends on common stock		(77,496)								(77,496)
Ending balance (in shares) at Jun. 30, 2024						138,604,437
Ending balance at Jun. 30, 2024		$ 7,215,114							$ 2,007,558	$ 6,873,653		$ (1,011,924)			$ (654,173)
[1] Represents the change in the Company’s allowance for loan losses as a result of the adoption of Accounting Standards Update (“ASU”) 2022-02, Financial Instruments - Credit Losses (Topic 326): Troubled Debt Restructurings and the Vintage Disclosures on January 1, 2023. Represents the impact of the adoption of ASU 2023-02, Investments - Equity Method and Joint Ventures (Topic 323): Accounting for Investments in Tax Credit Structures Using the Proportional Amortization Method on January 1, 2024. Refer to Note 2 — Current Accounting Developments and Summary of Significant Accounting Policies in this Form 10-Q for additional information.

CONSOLIDATED STATEMENT OF CHA_2

CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS’ EQUITY (Parenthetical) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Statement of Stockholders' Equity [Abstract]
Dividends declared per common share (in dollars per share)	$ 0.55	$ 0.48	$ 1.10	$ 0.96

CONSOLIDATED STATEMENT OF CASH

CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 573,305	$ 634,470
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for credit losses	62,000	46,000
Depreciation and amortization	100,372	106,579
Amortization of premiums (accretion of discount), net	6,054	(10,489)
Stock compensation costs	23,654	20,439
Deferred income tax (benefit) expense	(8,963)	1,098
Net (gains) losses on sales of loans	(15)	29
Net (gains) losses on AFS debt securities	(1,834)	10,000
Impairment on other real estate owned (“OREO”) and other foreclosed assets	2,576	0
Net gains on sales of OREO and other foreclosed assets	0	(3,071)
Loans held-for-sale:
Originations and purchases	(850)	0
Proceeds from sales and paydowns/payoffs of loans originally classified as held-for-sale	992	0
Distributions received from equity method investees	3,556	2,696
Net change in accrued interest receivable and other assets	(6,640)	(273,537)
Net change in accrued expenses and other liabilities	(222,985)	(55,634)
Other operating activities, net	(5,811)	1,225
Total adjustments	(47,894)	(154,665)
Net cash provided by operating activities	525,411	479,805
Net (increase) decrease in:
Affordable housing partnership, tax credit and CRA investments	(150,217)	(69,946)
Interest-bearing deposits with banks	(14,226)	121,774
Assets purchased under resale agreements:
Proceeds from paydowns and maturities	300,000	169,917
Purchases	0	(12,725)
AFS debt securities:
Proceeds from sales	1,252,859	0
Proceeds from repayments, maturities and redemptions	807,695	623,108
Purchases	(4,854,571)	(594,214)
HTM debt securities:
Proceeds from repayments, maturities and redemptions	25,577	33,882
Loans held-for-investment:
Proceeds from sales of loans originally classified as held-for-investment	376,456	302,811
Purchases	(390,440)	(272,637)
Other changes in loans held-for-investment, net	(562,088)	(1,649,160)
Redemption of trust preferred securities	3,558	0
Proceeds from sales of OREO and other foreclosed assets	7,648	3,341
Distributions received from equity method investees	5,173	13,113
Purchases of FHLB stock	(84,666)	0
Other investing activities, net	(7,052)	(9,511)
Net cash used in investing activities	(3,284,294)	(1,340,247)
CASH FLOWS FROM FINANCING ACTIVITIES
Net change in deposits	3,921,454	(262,287)
Net change in short-term borrowings	(4,500,000)	4,500,017
FHLB advances:
Proceeds	3,500,000	6,000,000
Repayment	0	(6,000,000)
Repurchase agreements:
Repayment	0	(300,000)
Extinguishment cost	0	(3,872)
Long-term debt and lease liabilities:
Repayment of junior subordinated debt and lease liabilities	(117,020)	(421)
Common stock:
Proceeds from issuance pursuant to various stock compensation plans and agreements	1,580	1,563
Stock tendered for payment of withholding taxes	(13,916)	(23,028)
Repurchase of common stocks pursuant to the stock repurchase program	(123,221)	0
Cash dividends paid	(155,867)	(138,914)
Net cash provided by financing activities	2,513,010	3,773,058
Effect of exchange rate changes on cash and cash equivalents	(3,420)	(16,513)
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(249,293)	2,896,103
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	4,614,984	3,481,784
CASH AND CASH EQUIVALENTS, END OF PERIOD	4,365,691	6,377,887
Cash paid during the period for:
Interest	1,082,024	504,774
Income taxes, net	232,191	255,432
Noncash investing and financing activities:
Loans transferred from held-for-investment to held-for-sale	339,615	$ 280,026
Loans transferred to OREO and other foreclosed assets	$ 31,863

Basis of Presentation

Basis of Presentation	6 Months Ended
	Jun. 30, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	Basis of Presentation East West Bancorp, Inc. is a registered bank holding company that offers a full range of banking services to individuals and businesses through its subsidiary bank, East West Bank and its subsidiaries (“East West Bank” or the “Bank”). The unaudited interim Consolidated Financial Statements in this Quarterly Report on Form 10-Q (this “Form 10-Q”) include the accounts of East West, East West Bank and East West’s subsidiaries. Consolidation , the Trust is not included on the Consolidated Financial Statements. The unaudited interim Consolidated Financial Statements are presented in accordance with U.S. Generally Accepted Accounting Principles (“GAAP”), applicable guidelines prescribed by regulatory authorities and general practices in the banking industry. While the unaudited interim Consolidated Financial Statements reflect all adjustments that, in the opinion of management, are necessary for fair presentation, they primarily serve to update the Company’s 2023 Form 10-K, and may not include all the information and notes necessary to constitute a complete set of financial statements. Accordingly, they should be read in conjunction with the audited Consolidated Financial Statements and notes thereto included in the Company’s 2023 Form 10-K. The preparation of the Consolidated Financial Statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities as of the date of the Consolidated Financial Statements, income and expenses during the reporting periods, and the related disclosures. Although our estimates consider current conditions and how we expect them to change in the future, it is reasonably possible that actual results could be materially different from those estimates. Hence, the current period’s results of operations are not necessarily indicative of results that may be expected for any future interim period or for the year as a whole. Certain items on the Consolidated Financial Statements and notes for the prior periods have been reclassified to conform to the current presentation. Events subsequent to the Consolidated Balance Sheet date have been evaluated through the date the Consolidated Financial Statements are issued for inclusion in the accompanying Consolidated Financial Statements.

Current Accounting Developments

Current Accounting Developments and Summary of Significant Accounting Policies	6 Months Ended
	Jun. 30, 2024
Accounting Policies [Abstract]
Current Accounting Developments and Summary of Significant Accounting Policies	Current Accounting Developments and Summary of Significant Accounting Policies Accounting Pronouncements Adopted in 2024 Standard Required Date of Adoption Description Effect on Financial Statements ASU 2023-02, Investments — Equity Method and Joint Ventures (Topic 323): Accounting for Investments in Tax Credit Structures Using the Proportional Amortization Method January 1, 2024 ASU 2023-02 expands the scope of the proportional amortization method (“PAM”) to equity tax credit investment programs if certain conditions are met. Previously, PAM could only be used for investments in low-income housing tax credit structures. Under this guidance, companies are able to elect, on a tax credit program-by-tax credit program basis, to apply PAM to all equity investments meeting the criteria in ASC 323-740-25-1. The amendments in this guidance must be applied on a modified retrospective or a retrospective basis. The Company adopted ASU 2023-02 on January 1, 2024, for all tax credit investments under a modified retrospective basis. The impact of the adoption decreased opening retained earnings on January 1, 2024 by $9 million. The following standards were also adopted on January 1, 2024, but they did not have a material impact on the Company’s Consolidated Financial Statements: • ASU 2023-01, Leases (Topic 842): Common Control Arrangements • ASU 2022-03, Fair Value Measurement (Topic 820) Fair Value Measurement of Equity Securities Subject to Contractual Sale Restrictions Significant Accounting Policies Update Income Taxes — The Company has elected to apply PAM to qualifying affordable housing partnership, new markets, historic, production and renewable energy tax credit investments. Under PAM, the Company amortizes the initial cost of the investment in proportion to the income tax credits and other income tax benefits received, and recognizes the amortization in Income tax expense on the Consolidated Statement of Income.

Fair Value Measurement and Fair

Fair Value Measurement and Fair Value of Financial Instruments	6 Months Ended
	Jun. 30, 2024
Fair Value Disclosures [Abstract]
Fair Value Measurement and Fair Value of Financial Instruments	Fair Value Measurement and Fair Value of Financial Instruments Under applicable accounting standards, the Company measures a portion of its assets and liabilities at fair value. These assets and liabilities are predominantly recorded at fair value on a recurring basis. From time to time, certain assets and liabilities are measured at fair value on a nonrecurring basis; that is, they are subject to fair value adjustments only as required through the application of an accounting method such as lower of cost or fair value or write-down of individual assets. The Company categorizes its assets and liabilities into three levels based on the established fair value hierarchy and conducts a review of fair value hierarchy classifications on a quarterly basis. For more information regarding the fair value hierarchy and how the Company measures fair value, see Note 1 — Summary of Significant Accounting Policies — Significant Accounting Policies — Fair Value to the Consolidated Financial Statements in the Company’s 2023 Form 10-K. Assets and Liabilities Measured at Fair Value on a Recurring Basis The following section describes the valuation methodologies used by the Company to measure financial assets and liabilities on a recurring basis, as well as the general classification of these instruments within the fair value hierarchy. Available-for-Sale Debt Securities — The fair value of AFS debt securities is generally determined by independent external pricing service providers who have experience in valuing these securities or by taking the average quoted market prices obtained from independent external brokers. The valuations provided by the third-party pricing service providers are based on observable market inputs, which include benchmark yields, reported trades, issuer spreads, benchmark securities, bids, offers, prepayment expectations and reference data obtained from market research publications. Inputs used by the third-party pricing service providers in valuing collateralized mortgage obligations and other securitization structures also include newly issued data, monthly payment information, whole loan collateral performance, tranche evaluation and “to be announced” prices. In valuing securities issued by state and political subdivisions, inputs used by third-party pricing service providers also include material event notices. The valuations provided by the brokers incorporate information from their trading desks, research and other market data. On a monthly basis, the Company validates the valuations provided by third-party pricing service providers to ensure that the fair value determination is consistent with the applicable accounting guidance and the financial instruments are properly classified in the fair value hierarchy. To perform this validation, the Company evaluates the fair values of securities by comparing the fair values provided by the third-party pricing service providers to prices from other available independent sources for the same securities. When significant variances in prices are identified, the Company further compares the inputs used by different sources to ascertain the reliability of these sources. On a quarterly basis, the Company reviews the valuation inputs and methodology furnished by third-party pricing service providers for each security category. On an annual basis, the Company assesses the reasonableness of broker pricing by reviewing the related pricing methodologies. This review includes corroborating pricing with market data, performing pricing input reviews under current market-related conditions, and investigating security pricing by instrument as needed. When a quoted price in an active market exists for the identical security, this price is used to determine the fair value and the AFS debt security is classified as Level 1. Level 1 AFS debt securities consist of U.S. Treasury securities. When pricing is unavailable from third-party pricing service providers for certain securities, the Company requests market quotes from various independent external brokers and utilizes the average quoted market prices. In addition, the Company obtains market quotes from other official published sources. As these valuations are based on observable inputs in the current marketplace, they are classified as Level 2. Equity Securities — Equity securities consist of mutual funds and Visa Inc. (“Visa”) Class C common stock (“Visa C shares”). The Company invested in these mutual funds for CRA purposes. The Company uses net asset value (“NAV”) information to determine the fair value of these equity securities. When NAV is available periodically and the equity securities can be put back to the transfer agents at the publicly available NAV, the fair value of the equity securities is classified as Level 1. When NAV is available periodically, but the equity securities may not be readily marketable at its periodic NAV in the secondary market, the fair value of these equity securities is classified as Level 2. As of December 31, 2023, the Company held Visa Class B common stock (“Visa B shares”), which were subject to certain transfer restrictions and held at cost. On January 24, 2024, Visa filed a Certificate of Amendment and an eighth Restated Certificate of Incorporation that redenominated the Visa B shares to Visa Class B-1 common stock (“Visa B-1 shares”). On April 8, 2024, Visa commenced a public offering to permit the exchange of Visa B-1 shares for a combination of shares of Visa Class B-2 common stock (“Visa B-2 shares”) and Visa C shares. In exchange for the Company’s 2,266 Visa B-1 shares, the Company received 1,133 Visa B-2 shares and 449 Visa C shares. The Visa B-2 shares remain subject to the same transfer restrictions and will continue to be held at cost. As the Visa C shares are convertible into Visa’s publicly traded Class A common stock (“Visa A shares”) following a lock-up period, the Company recognized the Visa C shares at fair value of $471 thousand as of June 30, 2024 and recorded a gain of $422 thousand for the three months ended June 30, 2024, based on the closing price of the Visa A shares. As the fair value of the Visa C shares is determined by quoted prices on an active exchange market, the Visa C shares are classified as Level 1. Interest Rate Contracts — Interest rate contracts consist of interest rate swaps and options. The fair value of the interest rate swaps is determined using the market standard methodology of netting the discounted future fixed cash payments (or receipts) and the discounted expected variable cash receipts (or payments). The fair value of the interest rate options, which consist of floors and caps, is determined using the market standard methodology of discounting the future expected cash receipts that will occur if variable interest rates fall below (rise above) the strike rate of the floors (caps). In addition, to comply with the provisions of ASC 820, Fair Value Measurement , the Company incorporates credit valuation adjustments to appropriately reflect both its own and the respective counterparty’s nonperformance risk in the fair value measurements of its derivatives. The credit valuation adjustments associated with the Company’s derivatives utilize model-derived credit spreads, which are Level 3 inputs. Considering the observable nature of all other significant inputs utilized, the Company classifies these derivative instruments as Level 2. Foreign Exchange Contracts — The fair value of foreign exchange contracts is determined at each reporting period based on changes in the applicable foreign exchange rates. These are over-the-counter contracts where quoted market prices are not readily available. Valuation is measured using conventional valuation methodologies with observable market data. Due to the short-term nature of the majority of these contracts, the counterparties’ credit risks are considered nominal and result in no adjustments to the valuation of the foreign exchange contracts. Due to the observable nature of the inputs used in deriving the fair value of these contracts, the valuation of foreign exchange contracts is classified as Level 2. In addition, the Bank managed its foreign currency exposure in the net investment in its China subsidiary, East West Bank (China) Limited, a non-U.S. dollar (“USD”) functional currency subsidiary, with foreign currency non-deliverable forward contracts. These foreign currency non-deliverable forward contracts were designated as net investment hedges. The fair value of foreign currency non-deliverable forward contracts is determined by comparing the contracted foreign exchange rate to the current market foreign exchange rate. Key inputs of the current market exchange rate include the spot and forward rates of the contractual currencies. Foreign exchange forward curves are used to determine which forward rate pertains to a specific maturity. Due to the observable nature of the inputs used in deriving the estimated fair value, these instruments are classified as Level 2. Credit Contracts — Credit contracts utilized by the Company are comprised of credit risk participation agreements (“RPAs”) entered into by the Company with institutional counterparties. The fair value of the RPAs is calculated by determining the total expected asset or liability exposure of the derivatives to the borrowers and applying the borrowers’ credit spread to that exposure. Total expected exposure incorporates both the current and potential future exposure of the derivatives, derived from using observable inputs, such as yield curves and volatilities. Due to the observable nature of all other significant inputs used in deriving the estimated fair value, credit contracts are classified as Level 2. Equity Contracts — Equity contracts consist of warrants to purchase common or preferred stock of public and private companies, and any liability-classified contingently issuable shares of the Company. The fair value of the warrants is based on the Black-Scholes option pricing model. For warrants from public companies, the model uses the underlying stock price, stated strike price, warrant expiration date, risk-free interest rate based on a duration-matched U.S. Treasury rate, and market-observable company-specific equity volatility as inputs to value the warrants. Due to the observable nature of the inputs used in deriving the estimated fair value, warrants from public companies are classified as Level 2. For warrants from private companies, the model uses inputs such as the offering price observed in the most recent round of funding, stated strike price, warrant expiration date, risk-free interest rate based on duration-matched U.S. Treasury rate and equity volatility. The Company applies proxy volatilities based on the industry sectors of the private companies. The model values are then adjusted for a general lack of liquidity due to the private nature of the underlying companies. Since both equity volatility and liquidity discount assumptions are subject to management’s judgment, measurement uncertainty is inherent in the valuation of private company warrants. Due to the unobservable nature of the equity volatility and liquidity discount assumptions used in deriving the estimated fair value, warrants from private companies are classified as Level 3. On a quarterly basis, the changes in the fair value of warrants from private companies are reviewed for reasonableness, and a measurement of uncertainty analysis on the equity volatility and liquidity discount assumptions is performed. In connection with the Company’s acquisition of a 49.99% equity interest in Rayliant Global Advisors Limited (“Rayliant”) during the third quarter of 2023, the Company granted 349,138 performance-based restricted stock units (“RSUs”) as part of its consideration, in addition to $95 million in cash. The vesting of these equity contracts on September 1, 2028, is contingent on Rayliant meeting certain financial performance targets during the performance period. The fair value of liability-classified equity contracts varies based on the operating revenue and operating EBITDA of Rayliant to be achieved during the future performance period, and these performance-based RSUs are expected to vest into a variable number of the Company’s common stock, ranging from 20% to 200% of the target performance-based RSUs granted. Due to the unobservable nature of the input assumptions, these equity contracts are classified as Level 3. For additional information on the equity contracts, refer to Note 6 — Derivatives to the Consolidated Financial Statements in this Form 10-Q. Commodity Contracts — Commodity contracts consist of swaps and options referencing commodity products. The fair value of the commodity option contracts is determined using the Black-Scholes model and assumptions that include expectations of future commodity price and volatility. The future commodity contract price is derived from observable inputs such as the market price of the commodity. Commodity swaps are structured as an exchange of fixed cash flows for floating cash flows. The fair value of the commodity swaps is determined using the market standard methodology of netting the discounted future fixed cash payments (or receipts) and the discounted expected variable cash receipts (or payments) based on the market prices of the commodity. The fixed cash flows are predetermined based on the known volumes and fixed price as specified in the swap agreement. The floating cash flows are correlated with the change of forward commodity prices, which is derived from market corroborated futures settlement prices. As a result, the Company classifies these derivative instruments as Level 2 due to the observable nature of the significant inputs utilized. 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 ($ in thousands) Level 1 Level 2 Level 3 Total 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 ($ in thousands) Level 1 Level 2 Level 3 Total 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 — 1 — 1 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 $1.2 billion of fair value as of June 30, 2024 and December 31, 2023, respectively. (2) Represents the Visa C shares recognized at fair value in O ther assets on the Consolidated Balance Sheet and recorded gain in Other investment income on the Consolidated Statement of Income. See Note 3 — Fair Value Measurement and Fair Value of Financial Instruments to the Consolidated Financial Statements in this Form 10-Q for additional information. (3) Represents the balance sheet netting of derivative assets and liabilities and related cash collateral under master netting agreements or similar agreements. See Note 6 — Derivatives to the Consolidated Financial Statements in this Form 10-Q for additional information. (4) Equity contracts classified as derivative liabilities consist of performance-based RSUs granted as part of EWBC’s consideration in its investment in Rayliant. For the three and six months ended June 30, 2024 and 2023, Level 3 fair value measurements that were measured on a recurring basis consisted of warrant equity contracts issued by private companies and liability-classified contingently issuable shares of the Company. The following table provides a reconciliation of the beginning and ending balances of these equity contracts for the three and six months ended June 30, 2024 and 2023: Three Months Ended June 30, Six Months Ended June 30, ($ in thousands) 2024 2023 2024 2023 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. 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 Technique Unobservable Inputs Range 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 discount 47% 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 discount 47% 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. Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis Assets measured at fair value on a nonrecurring basis include certain individually evaluated loans held-for-investment, affordable housing partnership, tax credit and CRA investments, OREO, loans held-for-sale, and other nonperforming assets. Nonrecurring fair value adjustments result from the impairment on certain individually evaluated loans held-for-investment and affordable housing partnership, tax credit and CRA investments, from the write-downs of OREO and other nonperforming assets, or from the application of lower of cost or fair value on loans held-for-sale. Individually Evaluated Loans Held-for-Investment — Individually evaluated loans held-for-investment are classified as Level 3 assets. The following two methods are used to derive the fair value of individually evaluated loans held-for-investment: • Discounted cash flow valuation techniques consist of developing an expected stream of cash flows over the life of the loans, and then calculating the present value of the loans by discounting the expected cash flows at a designated discount rate. • When the repayment of an individually evaluated loan is dependent on the sale of the collateral, the fair value of the loan is determined based on the fair value of the underlying collateral, which may take the form of real estate, inventory, equipment, contracts or guarantees. The fair value of the underlying collateral is generally based on third-party appraisals, or an internal valuation if a third-party appraisal is not required by regulations, or is unavailable. An internal valuation utilizes one or more valuation techniques such as the income, market and/or cost approaches. Affordable Housing Partnership, Tax Credit and CRA Investments, Net — The Company conducts due diligence and secures applicable internal and external approval on its affordable housing partnership, tax credit and CRA investments prior to the closing date and initial funding date and through the placed-in-service date. Subsequent to closing, the Company continues its periodic monitoring process to ensure book values are realizable and that there is no significant tax credit recapture risk. This monitoring process includes reviewing the investment entity’s financial statements, production reports and annual tax returns, the annual financial statements of the guarantor (if any) and a comparison of the actual performance of the investment against the financial projections prepared at the time the investment was made. The Company assesses its tax credit and other investments for possible other-than-temporary impairment on an annual basis or when events or circumstances suggest that the carrying amount of the investments may not be realizable. These circumstances can include, but are not limited to the following factors: • expected future cash flows that are less than the carrying amoun t of the investment; • changes in the economic, market or technological environment that could adversely affect the investee’s operations; • the potential for tax credit recapture; and • other factors that raise doubt about the investee’s ability to continue as a going concern, such as negative cash flows from operations and the continuing prospects of the underlying operations of the investment. All available information is considered in assessing whether a decline in value is other-than-temporary. Generally, none of the aforementioned factors are individually conclusive and the relative importance placed on individual facts may vary depending on the situation. In accordance with ASC 323-10-35-32, Investments — Equity Method and Joint Ventures, an impairment charge would only be recognized in earnings for a decline in value that is determined to be other-than-temporary. Other Real Estate Owned — The Company’s OREO represents properties acquired through foreclosure, or through full or partial satisfaction of loans held-for-investment such as an acceptance of a deed-in-lieu of foreclosure. These OREO properties are recorded at estimated fair value less the costs to sell at the time of foreclosure or at the lower of cost or estimated fair value less the costs to sell subsequent to acquisition. On a monthly basis, the current fair market value of each OREO property is reviewed to ensure that the current carrying value is appropriate. OREO properties are classified as Level 3. Loans Held-for-Sale — Loans held-for-investment subsequently transferred to held-for-sale are recorded at the lower of cost or fair value upon transfer. Loans held-for-sale may be measured at fair value on a nonrecurring basis when fair value is less than cost. Fair value is generally determined based on available market data for similar loans and therefore, loans held-for-sale are classified as Level 2. Other Nonperforming Assets — Other nonperforming assets are recorded at fair value upon transfer from loans to foreclosed assets. Subsequently, foreclosed assets are recorded at the lower of carrying value or fair value. Fair value is based on independent market prices, appraised values of the collateral or management’s estimated recovery of the foreclosed asset. The Company records an impairment when the foreclosed asset’s fair value declines below its carrying value. The fair value measurement of other nonperforming assets is classified within one of the three levels in a valuation hierarchy based upon the observability of inputs to the valuation as of the measurement date. 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 ($ 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 ($ 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 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) 2024 2023 2024 2023 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) $ — 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 Techniques Unobservable Inputs Range of Inputs Weighted-Average of Inputs June 30, 2024 Loans held-for-investment $ 7,219 Fair value of collateral Discount 20% — 50% 24% (1) $ 13,793 Fair value of collateral Contract value NM NM $ 52,070 Fair value of property Selling cost 8% — 20% 10% (1) OREO $ 8,565 Fair value of property Selling cost 8% 8% December 31, 2023 Loans held-for-investment $ 16,328 Fair value of collateral Discount 15% — 75% 45% (1) $ 3,009 Fair value of collateral Contract value NM NM $ 26,555 Fair value of property Selling cost 8% 8% Affordable housing partnership, tax credit and CRA investments, net $ 868 Individual analysis of each investment Expected future tax benefits and distributions NM NM 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. Disclosures about the Fair Value of Financial Instruments 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 Amount Level 1 Level 2 Level 3 Estimated 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 Amount Level 1 Level 2 Level 3 Estimated Fair Value Financial assets: Cash and cash equivalents $ 4,614,984 $ 4,614,984 $ — $ — $ 4,614,984 Interest-bearing

Securities Purchased under Resa

Securities Purchased under Resale Agreements	6 Months Ended
	Jun. 30, 2024
RESALE AND REPURCHASE AGREEMENTS [Abstract]
Securities Purchased under Resale Agreements	Securities Purchased under Resale Agreements The Company’s resale agreements expose it to credit risk from both the counterparties and the underlying collateral. The Company manages credit exposure from certain transactions by entering into master netting agreements and collateral arrangements with the counterparties. The relevant agreements allow for an efficient closeout of the transaction, liquidation and set-off of collateral against the net amount owed by the counterparty following a default. It is the Company’s policy to take possession, where possible, of the assets underlying resale agreements. As a result of the Company’s credit risk mitigation practices with respect to resale agreements as described above, the Company did not hold any reserves for credit impairment with respect to these agreements as of both June 30, 2024 and December 31, 2023. Securities Purchased under Resale Agreements — Total securities purchased under resale agreements were $485 million and $785 million as of June 30, 2024 and December 31, 2023, respectively. The weighted-average yields were 1.56% and 2.42% for the three months ended June 30, 2024 and 2023, respectively; and 2.66% and 2.46% for the six months ended June 30, 2024 and 2023, respectively. Balance Sheet Offsetting The Company’s resale and repurchase agreements are transacted under legally enforceable master netting agreements that, in the event of default by the counterparty, provide the Company the right to liquidate securities held and to offset receivables and payables with the same counterparty. The Company nets resale and repurchase transactions with the same counterparty on the Consolidated Balance Sheet when it has a legally enforceable master netting agreement and the transactions are eligible for netting under ASC 210-20-45-11, Balance Sheet Offsetting Repurchase and Reverse Repurchase Agreements . Collateral received includes securities and loans that are not recognized on the Consolidated Balance Sheet. Collateral pledged consists of securities that are not netted on the Consolidated Balance Sheet against the related collateralized liability. Securities received or pledged as collateral in resale and repurchase agreements with other financial institutions may also be sold or re-pledged by the secured party, and are usually delivered to and held by the third-party trustees. The following table presents the resale agreements included on the Consolidated Balance Sheet as of June 30, 2024 and December 31, 2023: Gross Amounts of Recognized Assets Gross Amounts Offset on the Consolidated Balance Sheet Net Amounts of Assets Presented on the Consolidated Balance Sheet Gross Amounts Not Offset on the Consolidated Balance Sheet ($ in thousands) Collateral Received (1) Net Amount Resale agreements as of June 30, 2024 $ 485,000 $ — $ 485,000 $ (402,645) $ 82,355 Resale agreements as of December 31, 2023 $ 785,000 $ — $ 785,000 $ (715,358) $ 69,642 (1) Represents the fair value of assets the Company has received under resale agreements, limited for table presentation purposes to the amount of the recognized asset due from each counterparty. The application of collateral cannot reduce the net position below zero. Therefore, excess collateral, if any, is not reflected above. In addition to the amounts included in the table above, the Company also has balance sheet netting related to derivatives. Refer to Note 6 — Derivatives to the Consolidated Financial Statements in this Form 10-Q for additional information.

Securities

Securities	6 Months Ended
	Jun. 30, 2024
Investments, Debt and Equity Securities [Abstract]
Securities	Securities The following tables present the amortized cost, gross unrealized gains and losses and fair value by major categories of AFS and HTM debt securities as of June 30, 2024 and December 31, 2023: June 30, 2024 ($ in thousands) Amortized Cost (1) Gross Unrealized Gains Gross Unrealized Losses Fair Value AFS debt securities: U.S. Treasury securities $ 676,291 $ — $ (52,534) $ 623,757 U.S. government agency and U.S. government-sponsored enterprise debt securities 309,956 — (49,568) 260,388 U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities (2) : Commercial mortgage-backed securities 498,281 113 (53,547) 444,847 Residential mortgage-backed securities 5,956,800 3,109 (241,091) 5,718,818 Municipal securities 295,437 34 (38,908) 256,563 Non-agency mortgage-backed securities: Commercial mortgage-backed securities 360,613 — (39,976) 320,637 Residential mortgage-backed securities 564,414 — (89,796) 474,618 Corporate debt securities 653,501 — (146,371) 507,130 Foreign government bonds 245,523 1,101 (12,900) 233,724 Asset-backed securities 39,061 — (468) 38,593 CLOs 44,500 — (47) 44,453 Total AFS debt securities 9,644,377 4,357 (725,206) 8,923,528 HTM debt securities: U.S. Treasury securities 532,294 — (44,587) 487,707 U.S. government agency and U.S. government-sponsored enterprise debt securities 1,003,094 — (200,199) 802,895 U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities (3) : Commercial mortgage-backed securities 490,502 — (90,358) 400,144 Residential mortgage-backed securities 724,039 — (151,928) 572,111 Municipal securities 188,321 — (45,951) 142,370 Total HTM debt securities 2,938,250 — (533,023) 2,405,227 Total debt securities $ 12,582,627 $ 4,357 $ (1,258,229) $ 11,328,755 December 31, 2023 ($ in thousands) Amortized Cost (1) Gross Unrealized Gains Gross Unrealized Losses Fair Value AFS debt securities: U.S. Treasury securities $ 1,112,587 $ 101 $ (52,313) $ 1,060,375 U.S. government agency and U.S. government-sponsored enterprise debt securities 412,086 — (47,640) 364,446 U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities (2) : Commercial mortgage-backed securities 531,377 158 (63,276) 468,259 Residential mortgage-backed securities 1,956,927 380 (229,713) 1,727,594 Municipal securities 297,283 75 (36,342) 261,016 Non-agency mortgage-backed securities: Commercial mortgage-backed securities 409,578 — (42,062) 367,516 Residential mortgage-backed securities 643,335 — (89,664) 553,671 Corporate debt securities 653,501 — (151,076) 502,425 Foreign government bonds 239,333 69 (11,528) 227,874 Asset-backed securities 43,234 — (934) 42,300 CLOs 617,250 — (4,389) 612,861 Total AFS debt securities 6,916,491 783 (728,937) 6,188,337 HTM debt securities: U.S. Treasury securities 529,548 — (40,997) 488,551 U.S. government agency and U.S. government-sponsored enterprise debt securities 1,001,836 — (186,904) 814,932 U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities (3) : Commercial mortgage-backed securities 493,348 — (88,968) 404,380 Residential mortgage-backed securities 742,436 — (142,119) 600,317 Municipal securities 188,872 — (43,081) 145,791 Total HTM debt securities 2,956,040 — (502,069) 2,453,971 Total debt securities $ 9,872,531 $ 783 $ (1,231,006) $ 8,642,308 (1) Amortized cost excludes accrued interest receivables which are presented within Other assets on the Consolidated Balance Sheet. As of both June 30, 2024 and December 31, 2023, the accrued interest receivables were $44 million. For the Company’s accounting policy related to debt securities’ accrued interest receivables, see Note 1 — Summary of Significant Accounting Policies — Significant Accounting Policies — Allowance for Credit Losses on Available-for-Sale Debt Securities and Allowance for Credit Losses on Held-to-Maturity Debt Securities to the Consolidated Financial Statements in the Company’s 2023 Form 10-K. (2) Includes GNMA AFS debt securities totaling $5.2 billion of both amortized cost and fair value as of June 30, 2024, and $1.3 billion of amortized cost and $1.2 billion of fair value as of December 31, 2023. (3) Includes GNMA HTM debt securities totaling $89 million of amortized cost and $71 million of fair value as of June 30, 2024, and $92 million of amortized cost and $75 million of fair value of as of December 31, 2023. Unrealized Losses of Available-for-Sale Debt Securities The following tables present the fair value and the associated gross unrealized losses of the Company’s AFS debt securities, aggregated by investment category and the length of time that the securities have been in a continuous unrealized loss position as of June 30, 2024 and December 31, 2023. June 30, 2024 Less Than 12 Months 12 Months or More Total ($ in thousands) Fair Value Gross Unrealized Losses Fair Value Gross Unrealized Losses Fair Value Gross Unrealized Losses AFS debt securities: U.S. Treasury securities $ — $ — $ 623,757 $ (52,534) $ 623,757 $ (52,534) U.S. government agency and U.S. government sponsored enterprise debt securities — — 260,388 (49,568) 260,388 (49,568) U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities: Commercial mortgage-backed securities — — 440,214 (53,547) 440,214 (53,547) Residential mortgage-backed securities 2,778,124 (5,016) 1,570,970 (236,075) 4,349,094 (241,091) Municipal securities 3,337 (32) 250,949 (38,876) 254,286 (38,908) Non-agency mortgage-backed securities: Commercial mortgage-backed securities — — 320,637 (39,976) 320,637 (39,976) Residential mortgage-backed securities — — 474,618 (89,796) 474,618 (89,796) Corporate debt securities — — 507,130 (146,371) 507,130 (146,371) Foreign government bonds 18,768 (66) 87,166 (12,834) 105,934 (12,900) Asset-backed securities — — 38,593 (468) 38,593 (468) CLOs — — 44,453 (47) 44,453 (47) Total AFS debt securities $ 2,800,229 $ (5,114) $ 4,618,875 $ (720,092) $ 7,419,104 $ (725,206) December 31, 2023 Less Than 12 Months 12 Months or More Total ($ in thousands) Fair Value Gross Unrealized Losses Fair Value Gross Unrealized Losses Fair Value Gross Unrealized Losses AFS debt securities: U.S. Treasury securities $ — $ — $ 623,978 $ (52,313) $ 623,978 $ (52,313) U.S. government agency and U.S. government-sponsored enterprise debt securities — — 364,446 (47,640) 364,446 (47,640) U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities: Commercial mortgage-backed securities — — 463,572 (63,276) 463,572 (63,276) Residential mortgage-backed securities 9,402 (558) 1,661,112 (229,155) 1,670,514 (229,713) Municipal securities 2,825 (15) 254,773 (36,327) 257,598 (36,342) Non-agency mortgage-backed securities: Commercial mortgage-backed securities 2,742 (4) 364,774 (42,058) 367,516 (42,062) Residential mortgage-backed securities — — 553,671 (89,664) 553,671 (89,664) Corporate debt securities — — 502,425 (151,076) 502,425 (151,076) Foreign government bonds 110,955 (144) 88,616 (11,384) 199,571 (11,528) Asset-backed securities — — 42,300 (934) 42,300 (934) CLOs — — 612,861 (4,389) 612,861 (4,389) Total AFS debt securities $ 125,924 $ (721) $ 5,532,528 $ (728,216) $ 5,658,452 $ (728,937) As of June 30, 2024, the Company had 567 AFS debt securities in a gross unrealized loss position with no credit impairment, primarily consisting of 304 U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities, 66 corporate debt securities and 91 non-agency mortgage-backed securities. In comparison, as of December 31, 2023, the Company had 547 AFS debt securities in a gross unrealized loss position with no credit impairment, primarily consisting of 255 U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities, 66 corporate debt securities, and 99 non-agency mortgage-backed securities. Allowance for Credit Losses on Available-for-Sale Debt Securities The Company evaluates each AFS debt security where the fair value declines below amortized cost. For a discussion of the factors and criteria the Company uses in analyzing securities for impairment related to credit losses, see Note 1 — Summary of Significant Accounting Policies — Significant Accounting Policies — Allowance for Credit Losses on Available-for-Sale Debt Securities to the Consolidated Financial Statements in the Company’s 2023 Form 10-K. The gross unrealized losses presented in the preceding tables were primarily attributable to interest rate movement and the widening of liquidity and/or credit spreads. U.S. Treasury, U.S. government agency, U.S. government-sponsored agency, and U.S. government-sponsored enterprise debt and mortgage-backed securities are issued, guaranteed, or otherwise supported by the U.S. government and have a zero credit loss assumption. The remaining securities that were in an unrealized loss position as of June 30, 2024 were mainly comprised of the following: • Corporate debt securities — The market value decline as of June 30, 2024 was primarily due to interest rate movement and spread widening. A portion of the corporate debt securities is comprised of subordinated debt securities issued by U.S. banks. Despite the reduction of the market value of these securities after the banking sector disruption in 2023, these securities are nearly all rated investment grade by nationally recognized statistical rating organizations (“NRSROs”) and issued by well-capitalized financial institutions with strong profitability. The contractual payments from these corporate debt securities have been and are expected to be received on time. The Company will continue to monitor the market developments in the banking sector and the credit performance of these securities. • Non-agency mortgage-backed securities — The market value decline as of June 30, 2024 was primarily due to interest rate movement and spread widening. Since these securities are rated investment grade by NRSROs, or have high priority in the cash flow waterfall within the securitization structure, and the contractual payments have historically been on time, the Company believes the risk of credit losses on these securities is low. As of both June 30, 2024 and December 31, 2023, the Company intended to hold the AFS debt securities with unrealized losses through the anticipated recovery period and it was more-likely-than-not that the Company would not have to sell these securities before the recovery of their amortized cost. The issuers of these securities have not, to the Company’s knowledge, established any cause for default on these securities. As a result, the Company expects to recover the entire amortized cost basis of these securities. Accordingly, there was no allowance for credit losses provided against these securities as of both June 30, 2024 and December 31, 2023. In addition, there was no provision for credit losses recognized for the three and six months ended June 30, 2024 and 2023. Allowance for Credit Losses on Held-to-Maturity Debt Securities The Company separately evaluates its HTM debt securities for any credit losses using an expected loss model, similar to the methodology used for loans. For additional information on the Company’s credit loss methodology, refer to Note 1 — Summary of Significant Accounting Policies — Significant Accounting Policies — Allowance for Credit Losses on Held-to-Maturity Debt Securities to the Consolidated Financial Statements in the Company’s 2023 Form 10-K. The Company monitors the credit quality of the HTM debt securities using external credit ratings. As of June 30, 2024, all HTM securities were rated investment grade by NRSROs and issued, guaranteed, or supported by U.S. government entities and agencies. Accordingly, the Company applied a zero credit loss assumption and no allowance for credit losses was recorded as of both June 30, 2024 and December 31, 2023. Overall, the Company believes that the credit support levels of the debt securities are strong, and based on current assessments and macroeconomic forecasts, expects that full contractual cash flows will be received. Realized Gains and Losses The following table presents the gross realized gains from the sales and impairment write-off of AFS debt securities and the related tax expense (benefit) included in earnings for the three and six months ended June 30, 2024 and 2023: Three Months Ended June 30, Six Months Ended June 30, ($ in thousands) 2024 2023 2024 2023 Gross realized gains from sales $ 1,785 $ — $ 1,834 $ — Impairment write-off (1) $ — $ — $ — $ (10,000) Related tax expense (benefit) $ 528 $ — $ 542 $ (2,956) (1) During the first quarter of 2023, the Company recognized a $10 million impairment write-off on a subordinated debt security as a component of noninterest income in the Company’s Consolidated Statement of Income. Interest Income The following table presents the composition of interest income on debt securities for the three and six months ended June 30, 2024 and 2023: Three Months Ended June 30, Six Months Ended June 30, ($ in thousands) 2024 2023 2024 2023 Taxable interest $ 106,690 $ 64,139 $ 177,018 $ 125,188 Nontaxable interest 5,042 4,831 10,106 9,713 Total interest income on debt securities $ 111,732 $ 68,970 $ 187,124 $ 134,901 Contractual Maturities of Available-for-Sale and Held-to-Maturity Debt Securities The following tables present the contractual maturities, amortized cost, fair value and weighted-average yields of AFS and HTM debt securities as of June 30, 2024. Expected maturities will differ from contractual maturities on certain securities as the issuers and borrowers of the underlying collateral may have the right to call or prepay obligations with or without prepayment penalties. ($ in thousands) Within One Year After One Year through Five Years After Five Years through Ten Years After Ten Years Total AFS debt securities: U.S. Treasury securities Amortized cost $ 34,929 $ 641,362 $ — $ — $ 676,291 Fair value 34,182 589,575 — — 623,757 Weighted-average yield (1) 1.83 % 1.17 % — % — % 1.21 % U.S. government agency and U.S. government-sponsored enterprise debt securities Amortized cost 1,238 44,158 127,831 136,729 309,956 Fair value 1,208 41,133 107,143 110,904 260,388 Weighted-average yield (1) 2.52 % 1.07 % 1.59 % 2.33 % 1.85 % U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities Amortized cost 3,565 41,983 126,229 6,283,304 6,455,081 Fair value 3,483 39,915 116,502 6,003,765 6,163,665 Weighted-average yield (1) (2) 2.74 % 2.98 % 2.82 % 5.46 % 5.39 % Municipal securities Amortized cost 3,605 33,531 9,619 248,682 295,437 Fair value 3,543 31,354 8,793 212,873 256,563 Weighted-average yield (1) (2) 2.43 % 2.29 % 3.22 % 2.23 % 2.27 % Non-agency mortgage-backed securities Amortized cost 75,391 20,848 — 828,788 925,027 Fair value 74,622 20,385 — 700,248 795,255 Weighted-average yield (1) 6.89 % 4.00 % — % 2.50 % 2.89 % Corporate debt securities Amortized cost — — 349,501 304,000 653,501 Fair value — — 297,135 209,995 507,130 Weighted-average yield (1) — % — % 3.50 % 1.97 % 2.79 % Foreign government bonds Amortized cost 18,834 126,689 50,000 50,000 245,523 Fair value 18,768 127,790 49,782 37,384 233,724 Weighted-average yield (1) 3.61 % 2.22 % 5.72 % 1.50 % 2.89 % Asset-backed securities Amortized cost — — — 39,061 39,061 Fair value — — — 38,593 38,593 Weighted-average yield (1) — % — % — % 6.06 % 6.06 % CLOs Amortized cost — — 44,500 — 44,500 Fair value — — 44,453 — 44,453 Weighted-average yield (1) — % — % 6.79 % — % 6.79 % Total AFS debt securities Amortized cost $ 137,562 $ 908,571 $ 707,680 $ 7,890,564 $ 9,644,377 Fair value $ 135,806 $ 850,152 $ 623,808 $ 7,313,762 $ 8,923,528 Weighted-average yield (1) 4.89 % 1.50 % 3.39 % 4.84 % 4.42 % ($ in thousands) Within One Year After One Year through Five Years After Five Years through Ten Years After Ten Years Total HTM debt securities: U.S. Treasury securities Amortized cost $ — $ 532,294 $ — $ — $ 532,294 Fair value — 487,707 — — 487,707 Weighted-average yield (1) — % 1.05 % — % — % 1.05 % U.S. government agency and U.S. government-sponsored enterprise debt securities Amortized cost — — 367,841 635,253 1,003,094 Fair value — — 311,312 491,583 802,895 Weighted-average yield (1) — % — % 1.89 % 1.90 % 1.90 % U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities Amortized cost — 4,777 94,499 1,115,265 1,214,541 Fair value — 4,339 79,701 888,215 972,255 Weighted-average yield (1) (2) — % 1.41 % 1.61 % 1.70 % 1.69 % Municipal securities Amortized cost — — — 188,321 188,321 Fair value — — — 142,370 142,370 Weighted-average yield (1) (2) — % — % — % 2.00 % 2.00 % Total HTM debt securities Amortized cost $ — $ 537,071 $ 462,340 $ 1,938,839 $ 2,938,250 Fair value $ — $ 492,046 $ 391,013 $ 1,522,168 $ 2,405,227 Weighted-average yield (1) — % 1.05 % 1.83 % 1.79 % 1.66 % (1) Weighted-average yields are computed based on amortized cost balances. (2) Yields on tax-exempt securities are not presented on a tax-equivalent basis. As of June 30, 2024 and December 31, 2023, AFS and HTM debt securities with carrying valu es of $5.6 billion and $7.0 billion, respectively, were pledged to secure borrowings, public deposits and for other purposes required or permitted by law. Restricted Equity Securities The following table presents the restricted equity securities included in Other assets on the Consolidated Balance Sheet as of June 30, 2024 and December 31, 2023: ($ in thousands) June 30, 2024 December 31, 2023 Federal Reserve Bank of San Francisco (“FRBSF”) stock $ 63,248 $ 62,561 FHLB stock 101,916 17,250 Total restricted equity securities $ 165,164 $ 79,811

Derivatives

Derivatives	6 Months Ended
	Jun. 30, 2024
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivatives	Derivatives The Company uses derivative instruments to manage exposure to market risk, primarily interest rate and foreign currency risks, as well as to assist customers with their risk management objectives. The Company’s goal is to manage interest rate sensitivity and volatility to mitigate the effect of interest rate changes on earnings or capital. The Company also uses foreign exchange contracts to manage the foreign exchange rate risk associated with certain foreign currency-denominated assets and liabilities, as well as the Bank’s investment in East West Bank (China) Limited. The Company recognizes all derivatives on the Consolidated Balance Sheet at fair value. While the Company designates certain derivatives as hedging instruments in a qualifying hedge accounting relationship, other derivatives serve as economic hedges. For additional information on the Company’s derivatives and hedging activities, see Note 1 — Summary of Significant Accounting Policies — Significant Accounting Policies — Derivatives to the Consolidated Financial Statements of the Company’s 2023 Form 10-K. The following table presents the notional amounts and fair values of the Company’s derivatives as of June 30, 2024 and December 31, 2023. Certain derivative contracts are cleared though central clearing organizations where variation margin is applied daily as settlement to the fair values of the contracts. The fair values are presented on a gross basis prior to the application of bilateral collateral and master netting agreements, but after the application of variation margin payments as settlement to fair values of contracts cleared through central clearing organizations. Applying variation margin payments as settlement to the fair values of derivative contracts cleared through the London Clearing House (“LCH”) and the Chicago Mercantile Exchange (“CME”) resulted in reductions in the derivative asset and liability fair values by $28 million and $37 million, respectively, as of June 30, 2024. In comparison, applying variation margin payments as settlement to LCH- and CME-cleared derivative transactions resulted in reductions in both the derivative asset and liability fair values by $43 million as of December 31, 2023. Total derivative asset and liability fair values are adjusted to reflect the effects of legally enforceable master netting agreements and cash collateral received or paid. The resulting net derivative asset and liability fair values are included in Other assets and Accrued expenses and other liabilities , respectively, on the Consolidated Balance Sheet. June 30, 2024 December 31, 2023 Fair Value Fair Value ($ in thousands) Notional Amount Assets Liabilities Notional Amount Assets Liabilities Derivatives designated as hedging instruments: Cash flow hedges: Interest rate contracts $ 5,250,000 $ 11,484 $ 54,557 $ 5,250,000 $ 50,421 $ 13,124 Net investment hedges: Foreign exchange contracts — — — 81,480 3,394 — Total derivatives designated as hedging instruments $ 5,250,000 $ 11,484 $ 54,557 $ 5,331,480 $ 53,815 $ 13,124 Derivatives not designated as hedging instruments: Interest rate contracts $ 16,927,202 $ 448,106 $ 446,957 $ 17,387,909 $ 423,486 $ 420,812 Commodity contracts (1) — 60,946 70,900 — 79,604 121,670 Foreign exchange contracts 3,865,583 33,684 25,598 5,827,149 53,678 42,564 Credit contracts (2) 117,751 — 14 118,391 1 25 Equity contracts — 240 (3) 15,119 (4) — 336 (3) 15,119 (4) Total derivatives not designated as hedging instruments $ 20,910,536 $ 542,976 $ 558,588 $ 23,333,449 $ 557,105 $ 600,190 Gross derivative assets/liabilities $ 554,460 $ 613,145 $ 610,920 $ 613,314 Less: Master netting agreements (106,525) (106,525) (75,534) (75,534) Less: Cash collateral received (335,285) (2,665) (237,258) (636) Net derivative assets/liabilities $ 112,650 $ 503,955 $ 298,128 $ 537,144 (1) The notional amount of the Company’s commodity contracts totaled 18,230 thousand barrels of crude oil and 421,525 thousand units of natural gas, measured in million British thermal units (“MMBTUs”) as of June 30, 2024. In comparison, the notional amount of the Company’s commodity contracts totaled 18,631 thousand barrels of crude oil and 328,844 thousand MMBTUs of natural gas as of December 31, 2023. (2) The notional amount of the credit contracts reflects the Company’s pro-rata share of the underlying derivative instruments’ notional amount in RPAs. (3) The Company held warrant equity contracts in 10 private companies and one public company as of June 30, 2024, and 11 private companies and one public company as of December 31, 2023. (4) Equity contracts classified as derivative liabilities consist of 349,138 performance-based RSUs granted as part of EWBC’s consideration in its investment in Rayliant. Derivatives Designated as Hedging Instruments Cash Flow Hedges — The Company uses interest rate swaps to hedge the variability in the interest amount received on certain floating-rate commercial loans, or paid on certain floating-rate borrowings due to changes in contractually specified interest rates. As of June 30, 2024, interest rate contracts in notional amounts of $5.3 billion were designated as cash flow hedges to convert certain variable-rate loans from floating-rate payments to fixed-rate payments. Gains and losses on the hedging derivative instruments are recognized in AOCI and reclassified to earnings in the same period the hedged cash flows impact earnings and within the same income statement line item as the hedged cash flows. Considering the interest rates, yield curve and notional amount as of June 30, 2024, the Company expects to reclassify an estimated $43 million of after-tax net losses on derivative instruments designated as cash flow hedges from AOCI into earnings during the next 12 months. The following table presents the pre-tax changes in AOCI from cash flow hedges for the three and six months ended June 30, 2024 and 2023. The after-tax impact of cash flow hedges on AOCI is shown in Note 14 — Accumulated Other Comprehensive Income (Loss) to the Consolidated Financial Statements in this Form-10-Q. Three Months Ended June 30, Six Months Ended June 30, ($ in thousands) 2024 2023 2024 2023 Gains (losses) recognized in AOCI: Interest rate contracts $ 25,095 $ (96,457) $ 115,471 $ (66,614) Gains (losses) reclassified from AOCI into earnings: Interest expense (for cash flow hedges on borrowings) $ — $ — $ — $ 696 Interest and dividend income (for cash flow hedges on loans) (24,594) (20,252) (49,199) (33,206) Noninterest income — — — 1,614 (1) Total $ (24,594) $ (20,252) $ (49,199) $ (30,896) (1) Represents the amounts in AOCI reclassified into earnings as a result that the forecasted cash flows were no longer probable to occur. Net Investment Hedges — The Company enters into foreign currency forward contracts to hedge a portion of the Bank’s investment in East West Bank (China) Limited, a non-USD functional currency subsidiary in China. The hedging instruments designated as net investment hedges were used to hedge against the risk of adverse changes in the foreign currency exchange rate of the Chinese Renminbi (“RMB”). The net investment hedge in place as of December 31, 2023 expired during the three months ended March 31, 2024. No new net investment hedge was entered during the three months ended June 30, 2024. The following table presents the pre-tax gains or losses recognized in AOCI on net investment hedges for the three and six months ended June 30, 2024 and 2023: Three Months Ended June 30, Six Months Ended June 30, ($ in thousands) 2024 2023 2024 2023 Gains recognized in AOCI $ — $ 3,899 $ 586 $ 2,823 Derivatives Not Designated as Hedging Instruments Customer-Related Positions and Economic Hedge Derivatives — The Company enters into interest rate, commodity, and foreign exchange derivatives at the request of its customers and generally enters into offsetting derivative contracts with third-party financial institutions to mitigate the inherent market risk. The Company also utilizes foreign exchange contracts to mitigate the effect of currency fluctuations on certain foreign currency-denominated on-balance sheet assets and liabilities, primarily foreign currency denominated deposits that it offers to its customers. A majority of the foreign exchange contracts had original maturities of one year or less as of both June 30, 2024 and December 31, 2023. The following table presents the notional amounts and the gross fair values of the interest rate and foreign exchange derivatives entered into with customers and with third-party financial institutions as economic hedges to customers’ positions as of June 30, 2024 and December 31, 2023: June 30, 2024 December 31, 2023 Fair Value Fair Value ($ in thousands) Notional Amount Assets Liabilities Notional Amount Assets Liabilities Customer-related positions: Interest rate contracts: Swaps $ 6,826,308 $ 9,729 $ 423,880 $ 6,835,822 $ 25,649 $ 377,388 Written options 1,369,229 — 9,929 1,522,531 — 12,756 Collars and corridors 259,081 96 2,496 322,732 440 4,481 Subtotal 8,454,618 9,825 436,305 8,681,085 26,089 394,625 Foreign exchange contracts: Forwards and spot 535,153 5,897 3,428 956,618 9,466 6,756 Swaps 1,197,938 7,515 10,558 1,588,491 5,801 18,118 Purchased options 88,000 2,051 — 136,000 1,839 — Subtotal 1,821,091 15,463 13,986 2,681,109 17,106 24,874 Total $ 10,275,709 $ 25,288 $ 450,291 $ 11,362,194 $ 43,195 $ 419,499 Economic hedges: Interest rate contracts: Swaps $ 6,844,274 $ 425,796 $ 10,552 $ 6,861,561 $ 380,123 $ 25,731 Purchased options 1,369,229 9,981 — 1,522,531 12,783 — Collars and corridors 259,081 2,504 100 322,732 4,491 456 Subtotal 8,472,584 438,281 10,652 8,706,824 397,397 26,187 Foreign exchange contracts: Forwards and spot 66,546 52 128 148,003 292 94 Swaps 1,889,946 18,169 9,433 2,862,037 36,280 15,757 Written options 88,000 — 2,051 136,000 — 1,839 Subtotal 2,044,492 18,221 11,612 3,146,040 36,572 17,690 Total $ 10,517,076 $ 456,502 $ 22,264 $ 11,852,864 $ 433,969 $ 43,877 The Company enters into energy commodity contracts with its customers in the oil and gas sector, which allow them to hedge against the risk of fluctuation in energy commodity prices. Offsetting contracts entered with third-party financial institutions are used as economic hedges to manage the Company’s exposure on its customer-related positions. The following table presents the notional amounts in units and the gross fair values of the commodity derivatives issued for customer-related positions and economic hedges as of June 30, 2024 and December 31, 2023: June 30, 2024 December 31, 2023 Fair Value Fair Value ($ and unit in thousands) Notional Units Assets Liabilities Notional Units Assets Liabilities Customer-related positions: Commodity contracts: Crude oil: Swaps 3,907 Barrels $ 13,897 $ 857 3,277 Barrels $ 3,735 $ 15,445 Collars 5,180 Barrels 8,366 43 5,966 Barrels 1,820 5,103 Subtotal 9,087 Barrels 22,263 900 9,243 Barrels 5,555 20,548 Natural gas: Swaps 148,337 MMBTUs 1,796 43,998 118,325 MMBTUs 438 73,793 Collars 62,277 MMBTUs 1,297 12,005 45,854 MMBTUs 21 20,400 Written options 1,710 MMBTUs 124 — 1,874 MMBTUs — 233 Subtotal 212,324 MMBTUs 3,217 56,003 166,053 MMBTUs 459 94,426 Total $ 25,480 $ 56,903 $ 6,014 $ 114,974 Economic hedges: Commodity contracts: Crude oil: Swaps 3,963 Barrels $ 1,308 $ 10,871 3,422 Barrels $ 9,166 $ 4,924 Collars 5,180 Barrels 3 1,983 5,966 Barrels 1,685 1,467 Subtotal 9,143 Barrels 1,311 12,854 9,388 Barrels 10,851 6,391 Natural gas: Swaps 145,824 MMBTUs 28,395 391 116,463 MMBTUs 49,941 305 Collars 61,667 MMBTUs 5,760 648 44,454 MMBTUs 12,565 — Purchased options 1,710 MMBTUs — 104 1,874 MMBTUs 233 — Subtotal 209,201 MMBTUs 34,155 1,143 162,791 MMBTUs 62,739 305 Total $ 35,466 $ 13,997 $ 73,590 $ 6,696 Credit Contracts — The Company periodically enters into credit RPAs with institutional counterparties to manage the credit exposure of the interest rate contracts associated with syndication loans. Under the RPAs, a portion of the credit exposure is transferred from one party (the purchaser of credit protection) to another party (the seller of credit protection). The seller of credit protection is required to make payments to the purchaser of credit protection if the underlying borrower defaults on the related interest rate contract. The Company may enter into protection sold or protection purchased RPAs. Credit risk on RPAs is managed by monitoring the credit worthiness of the borrowers and the institutional counterparties, which is a part of the Company’s normal credit review and monitoring process. All referenced entities of the protection sold RPAs were investment grade and the weighted-average remaining maturity was 2.3 years and 2.8 years as of June 30, 2024 and December 31, 2023, respectively. Assuming the underlying borrowers referenced in the interest rate contracts defaulted, the maximum exposure in the protection sold RPAs would be $63 thousand and $177 thousand as of June 30, 2024 and December 31, 2023, respectively. As of both June 30, 2024 and December 31, 2023, the Company had one outstanding protection purchased RPA with notional amount of $25 million and minimal fair value. Equity Contracts — As part of the loan origination process, the Company may obtain warrants to purchase the preferred and/or common stock of the borrowers’ companies, which are mainly in the technology and life sciences sectors. Warrants grant the Company the right to buy a certain class of the underlying company’s equity at a certain price before expiration. In connection with the Company’s investment in Rayliant during the third quarter of 2023, the Company granted performance-based RSUs as part of its consideration. The vesting of these equity contracts is contingent on Rayliant meeting certain financial performance targets during the future performance period. For additional information on these equity contracts, refer to Note 3 — Fair Value Measurement and Fair Value of Financial Instruments to the Consolidated Financial Statements in this Form 10-Q. The following table presents the net gains (losses) recognized on the Company’s Consolidated Statement of Income related to derivatives not designated as hedging instruments for the three and six months ended June 30, 2024 and 2023: Three Months Ended June 30, Six Months Ended June 30, ($ in thousands) Classification on Consolidated Statement of Income 2024 2023 2024 2023 Derivatives not designated as hedging instruments: Interest rate contracts Customer derivative income $ 1,099 $ 1,222 $ 1,583 $ (1,261) Foreign exchange contracts Foreign exchange income 14,349 19,898 27,129 30,340 Credit contracts Customer derivative income 2 12 (3) 7 Equity contracts - warrants Lending fees (90) (14) (96) (60) Commodity contracts Customer derivative income 433 160 567 166 Net gains $ 15,793 $ 21,278 $ 29,180 $ 29,192 Credit-Risk-Related Contingent Features — Certain of the Company’s over-the-counter derivative contracts contain early termination provisions that require the Company to settle any outstanding balances upon the occurrence of a specified credit-risk-related event. Such an event primarily relates to a downgrade of the credit rating of East West Bank to below investment grad e. As of June 30, 2024, the aggregate fair value amounts of all derivative instruments with credit risk-related contingent features that were in a net liability position totaled $2 million , for which $2 million collateral was posted to cover these positions. In comparison, a s of December 31, 2023, the aggregate fair value amounts of all derivative instruments with credit risk-related contingent features that were in a net liability position totaled $9 thousand, for which no collateral was posted to cover these positions. In the event that the credit rating of East West Bank had been downgraded to below investment grade, the Company would have been required to post minimal additional collateral as of both June 30, 2024 and December 31, 2023. Offsetting of Derivatives The following tables present the gross derivative fair values, the balance sheet netting adjustments, and the resulting net fair values recorded on the Consolidated Balance Sheet, as well as the cash and noncash collateral associated with master netting arrangements. The gross amounts of derivative assets and liabilities are presented after the application of variation margin payments as settlements to the fair values of contracts cleared through central clearing organizations, where applicable. The collateral amounts in the following tables are limited to the outstanding balances of the related asset or liability. Therefore, instances of over-collateralization are not shown: ($ in thousands) As of June 30, 2024 Gross Amounts Offset on the Consolidated Balance Sheet Net Amounts Presented on the Consolidated Balance Sheet Gross Amounts Not Offset on the Consolidated Balance Sheet Gross Amounts Recognized (1) Master Netting Arrangements Cash Collateral Received (3) Security Collateral Received (5) Net Amount Derivative assets $ 554,460 $ (106,525) $ (335,285) $ 112,650 $ (78,411) $ 34,239 Gross Amounts Offset on the Consolidated Balance Sheet Net Amounts Presented on the Consolidated Balance Sheet Gross Amounts Not Offset on the Consolidated Balance Sheet Gross Amounts Recognized (2) Master Netting Arrangements Cash Collateral Pledged (4) Security Collateral Pledged (5) Net Amount Derivative liabilities $ 613,145 $ (106,525) $ (2,665) $ 503,955 $ — $ 503,955 ($ in thousands) As of December 31, 2023 Gross Amounts Offset on the Consolidated Balance Sheet Net Amounts Presented on the Consolidated Balance Sheet Gross Amounts Not Offset on the Consolidated Balance Sheet Gross Amounts Recognized (1) Master Netting Arrangements Cash Collateral Received (3) Security Collateral Received (5) Net Amount Derivative assets $ 610,920 $ (75,534) $ (237,258) $ 298,128 $ (246,259) $ 51,869 Gross Amounts Offset on the Consolidated Balance Sheet Net Amounts Presented on the Consolidated Balance Sheet Gross Amounts Not Offset on the Consolidated Balance Sheet Gross Amounts Recognized (2) Master Netting Arrangements Cash Collateral Pledged (4) Security Collateral Pledged (5) Net Amount Derivative liabilities $ 613,314 $ (75,534) $ (636) $ 537,144 $ — $ 537,144 (1) Includes $3 million of gross fair value assets with counterparties that were not subject to enforceable master netting arrangements or similar agreements as of both June 30, 2024 and December 31, 2023. (2) Includes $17 million and $16 million of gross fair value liabilities with counterparties that were not subject to enforceable master netting arrangements or similar agreements as of June 30, 2024 and December 31, 2023, respectively. (3) Gross cash collateral received under master netting arrangements or similar agreements was $356 million and $244 million as of June 30, 2024 and December 31, 2023, respectively. Of the gross cash collateral received, $335 million and $237 million were used to offset derivative assets as of June 30, 2024 and December 31, 2023, respectively. (4) Gross cash collateral pledged under master netting arrangements or similar agreements was $3 million and $1 million as of June 30, 2024 and December 31, 2023, respectively. Of the gross cash collateral pledged, $3 million and $1 million were used to offset derivative liabilities as of June 30, 2024 and December 31, 2023, respectively. (5) Represents the fair value of security collateral received or pledged limited to derivative assets or liabilities that are subject to enforceable master netting arrangements or similar agreements. U.S. GAAP does not permit the netting of noncash collateral on the Consolidated Balance Sheet but requires the disclosure of such amounts. In addition to the amounts included in the tables above, the Company has balance sheet netting related to resale agreements. Refer to Note 4 — Securities Purchased under Resale Agreements to the Consolidated Financial Statements in this Form 10-Q for additional information. Refer to Note 3 — Fair Value Measurement and Fair Value of Financial Instruments to the Consolidated Financial Statements in this Form 10-Q for fair value measurement disclosures on derivatives.

Loans Receivable and Allowance

Loans Receivable and Allowance for Credit Losses	6 Months Ended
	Jun. 30, 2024
Loans and Leases Receivable Disclosure [Abstract]
Loans Receivable and Allowance for Credit Losses	Loans Receivable and Allowance for Credit Losses The following table presents the composition of the Company’s loans held-for-investment outstanding as of June 30, 2024 and December 31, 2023: ($ in thousands) June 30, 2024 December 31, 2023 Commercial: C&I $ 16,875,009 $ 16,581,079 CRE: CRE 14,562,595 14,777,081 Multifamily residential 5,100,210 5,023,163 Construction and land 664,793 663,868 Total CRE 20,327,598 20,464,112 Total commercial 37,202,607 37,045,191 Consumer: Residential mortgage: Single-family residential 13,747,769 13,383,060 HELOCs 1,761,379 1,722,204 Total residential mortgage 15,509,148 15,105,264 Other consumer 56,154 60,327 Total consumer 15,565,302 15,165,591 Total loans held-for-investment (1) $ 52,767,909 $ 52,210,782 Allowance for loan losses (683,794) (668,743) Loans held-for-investment, net (1) $ 52,084,115 $ 51,542,039 (1) Includes Accrued interest receivable on loans held-for-investment was $266 million and $267 million as of June 30, 2024 and December 31, 2023, respectively, and was included in Other assets on the Consolidated Balance Sheet. The interest income reversed was insignificant for both the three and six months ended June 30, 2024 and 2023. For the Company’s accounting policy on accrued interest receivable related to loans held-for-investment, see Note 1 — Summary of Significant Accounting Policies — Significant Accounting Policies — Loans Held-for-Investment to the Consolidated Financial Statements of the Company’s 2023 Form 10-K. The Company also has loans held-for-sale. For the Company’s accounting policy on loans held-for-sale, refer to Note 1 — Summary of Significant Accounting Policies — Significant Accounting Policies — Loans Held-for-Sale to the Consolidated Financial Statements in the Company’s 2023 Form 10-K. The Company’s FRBSF and FHLB borrowings are primarily secured by loans held-for-investment. Loans held-for-investment totaling $37.0 billion and $37.2 billion, respectively, were pledged to secure borrowings and provide additional borrowing capacity as of June 30, 2024 and December 31, 2023. Credit Quality Indicators All loans are subject to the Company’s credit review and monitoring process. For the commercial loan portfolio, loans are risk rated based on an analysis of the borrower’s current payment performance or delinquency, repayment sources, financial and liquidity factors, including industry and geographic considerations. For the consumer loan portfolio, payment performance or delinquency is typically the driving indicator for risk ratings. The Company utilizes internal credit risk ratings to assign each individual loan a risk rating of 1 through 10: • Pass — loans risk rated 1 through 5 are assigned an internal risk rating category of “Pass.” Loans risk rated 1 are typically loans fully secured by cash. Pass loans have sufficient sources of repayment to repay the loan in full, in accordance with all terms and conditions. • Special mention — loans assigned a risk rating of 6 have potential weaknesses that warrant closer attention by management; these are assigned an internal risk rating category of “Special Mention.” • Substandard — loans assigned a risk rating of 7 or 8 have well-defined weaknesses that may jeopardize the full and timely repayment of the loan; these are assigned an internal risk rating category of “Substandard.” • Doubtful — loans assigned a risk rating of 9 have insufficient sources of repayment and a high probability of loss; these are assigned an internal risk rating category of “Doubtful.” • Loss — loans assigned a risk rating of 10 are uncollectible and of such little value that they are no longer considered bankable assets; these are assigned an internal risk rating category of “Loss.” Loan exposures categorized as criticized consist of special mention, substandard, doubtful and loss categories. The Company reviews the internal risk ratings of its loan portfolio on a regular basis, and adjusts the ratings based on changes in the borrowers’ financial status and the collectability of the loans. The following tables summarize the Company’s loans held-for-investment and year-to-date gross write-offs by loan portfolio segments, internal risk ratings and vintage year as of the periods presented. The vintage year is the year of loan origination, renewal or major modification. Revolving loans that are converted to term loans presented in the tables below are excluded from term loans by vintage year columns. June 30, 2024 Term Loans by Origination Year ($ in thousands) 2024 2023 2022 2021 2020 Prior Revolving Loans Revolving Loans Converted to Term Loans (1) Total Commercial: C&I: Pass $ 1,053,645 $ 2,013,510 $ 1,248,640 $ 1,047,295 $ 286,440 $ 352,329 $ 10,369,005 $ 23,548 $ 16,394,412 Criticized (accrual) 511 30,279 115,671 80,715 1,908 60,126 124,427 — 413,637 Criticized (nonaccrual) 3,911 14,606 22,752 9,484 3,335 11,929 943 — 66,960 Total C&I 1,058,067 2,058,395 1,387,063 1,137,494 291,683 424,384 10,494,375 23,548 16,875,009 Gross write-offs for the six months ended June 30, 2024 (2) — 337 11,753 14,342 1,212 1,528 19 — 29,191 CRE: Pass 726,897 2,337,637 3,885,787 2,053,076 1,371,437 3,573,736 100,131 49,863 14,098,564 Criticized (accrual) 11,005 66,071 55,768 31,633 67,955 185,529 — 14,790 432,751 Criticized (nonaccrual) — 1,750 — 11,020 469 18,041 — — 31,280 Subtotal CRE 737,902 2,405,458 3,941,555 2,095,729 1,439,861 3,777,306 100,131 64,653 14,562,595 Gross write-offs for the six months ended June 30, 2024 (2) — — — — — 2,261 — — 2,261 Multifamily residential: Pass 162,350 671,221 1,480,502 792,114 624,947 1,297,867 17,263 1,268 5,047,532 Criticized (accrual) — — 13,380 31,723 — 2,968 — — 48,071 Criticized (nonaccrual) — — — — — 4,607 — — 4,607 Subtotal multifamily residential 162,350 671,221 1,493,882 823,837 624,947 1,305,442 17,263 1,268 5,100,210 Gross write-offs for the six months ended June 30, 2024 — — — — — 6 — — 6 Construction and land: Pass 15,157 314,253 228,865 88,236 — 6,271 — — 652,782 Criticized (accrual) — — 695 — — — — — 695 Criticized (nonaccrual) — — 11,316 — — — — — 11,316 Subtotal construction and land 15,157 314,253 240,876 88,236 — 6,271 — — 664,793 Gross write-offs for the six months ended June 30, 2024 — — 2,144 — — — — — 2,144 Total CRE 915,409 3,390,932 5,676,313 3,007,802 2,064,808 5,089,019 117,394 65,921 20,327,598 Total CRE gross write-offs for the six months ended June 30, 2024 (2) — — 2,144 — — 2,267 — — 4,411 Total commercial $ 1,973,476 $ 5,449,327 $ 7,063,376 $ 4,145,296 $ 2,356,491 $ 5,513,403 $ 10,611,769 $ 89,469 $ 37,202,607 Total commercial gross write-offs for the six months ended June 30, 2024 (2) $ — $ 337 $ 13,897 $ 14,342 $ 1,212 $ 3,795 $ 19 $ — $ 33,602 June 30, 2024 Term Loans by Origination Year ($ in thousands) 2024 2023 2022 2021 2020 Prior Revolving Loans Revolving Loans Converted to Term Loans (1) Total Consumer: Residential mortgage: Single-family residential: Pass (3) $ 1,162,393 $ 2,965,129 $ 3,214,153 $ 2,175,945 $ 1,504,722 $ 2,676,170 $ — $ — $ 13,698,512 Criticized (accrual) 353 1,166 1,701 1,589 1,120 6,077 — — 12,006 Criticized (nonaccrual) (3) 2,028 11,293 5,201 3,067 2,179 13,483 — — 37,251 Subtotal single-family residential mortgage 1,164,774 2,977,588 3,221,055 2,180,601 1,508,021 2,695,730 — — 13,747,769 Gross write-offs for the six months ended June 30, 2024 (2) — — — — — 9 — — 9 HELOCs: Pass 4,382 3,797 4,712 2,576 3,847 8,253 1,589,193 126,170 1,742,930 Criticized (accrual) — 1,221 1,072 339 603 993 503 488 5,219 Criticized (nonaccrual) 517 1,208 2,095 930 — 4,513 — 3,967 13,230 Subtotal HELOCs 4,899 6,226 7,879 3,845 4,450 13,759 1,589,696 130,625 1,761,379 Total residential mortgage 1,169,673 2,983,814 3,228,934 2,184,446 1,512,471 2,709,489 1,589,696 130,625 15,509,148 Total residential mortgage gross write-offs for the six months ended June 30, 2024 (2) — — — — — 9 — — 9 Other consumer: Pass 3,886 37 19,907 133 — 6,858 22,113 — 52,934 Criticized (accrual) 15 — — — — — 3,000 — 3,015 Criticized (nonaccrual) — — — — — — 205 — 205 Total other consumer 3,901 37 19,907 133 — 6,858 25,318 — 56,154 Gross write-offs for the six months ended June 30, 2024 (2) — — — — — — 22 — 22 Total consumer $ 1,173,574 $ 2,983,851 $ 3,248,841 $ 2,184,579 $ 1,512,471 $ 2,716,347 $ 1,615,014 $ 130,625 $ 15,565,302 Total consumer gross write-offs for the six months ended June 30, 2024 (2) $ — $ — $ — $ — $ — $ 9 $ 22 $ — $ 31 Total loans held-for-investment: Pass $ 3,128,710 $ 8,305,584 $ 10,082,566 $ 6,159,375 $ 3,791,393 $ 7,921,484 $ 12,097,705 $ 200,849 $ 51,687,666 Criticized (accrual) 11,884 98,737 188,287 145,999 71,586 255,693 127,930 15,278 915,394 Criticized (nonaccrual) 6,456 28,857 41,364 24,501 5,983 52,573 1,148 3,967 164,849 Total $ 3,147,050 $ 8,433,178 $ 10,312,217 $ 6,329,875 $ 3,868,962 $ 8,229,750 $ 12,226,783 $ 220,094 $ 52,767,909 Total loans held-for-investment gross write-offs for the six months ended June 30, 2024 (2) $ — $ 337 $ 13,897 $ 14,342 $ 1,212 $ 3,804 $ 41 $ — $ 33,633 December 31, 2023 Term Loans by Origination Year ($ in thousands) 2023 2022 2021 2020 2019 Prior Revolving Loans Revolving Loans Converted to Term Loans (1) Total Commercial: C&I: Pass $ 2,314,463 $ 1,628,560 $ 1,296,936 $ 331,982 $ 245,173 $ 164,159 $ 10,053,757 $ 20,143 $ 16,055,173 Criticized (accrual) 105,119 67,899 120,574 15,064 40,920 22,098 117,196 — 488,870 Criticized (nonaccrual) 2,104 7,916 131 4,819 2,979 18,137 950 — 37,036 Total C&I 2,421,686 1,704,375 1,417,641 351,865 289,072 204,394 10,171,903 20,143 16,581,079 Gross write-offs for the year ended December 31, 2023 (2) 350 10,454 424 3,758 9,748 2,648 1,593 — 28,975 CRE: Pass 2,492,915 4,086,385 2,216,257 1,428,724 1,600,844 2,494,382 92,851 62,771 14,475,129 Criticized (accrual) 36,855 34,485 30,336 48,250 24,437 104,340 — — 278,703 Criticized (nonaccrual) — — — — 444 22,805 — — 23,249 Subtotal CRE 2,529,770 4,120,870 2,246,593 1,476,974 1,625,725 2,621,527 92,851 62,771 14,777,081 Gross write-offs for the year ended December 31, 2023 (2) — — — — — 1,329 — — 1,329 Multifamily residential: Pass 665,780 1,481,161 808,333 612,408 498,491 857,713 8,690 1,281 4,933,857 Criticized (accrual) — 3,356 54,614 — 693 25,974 — — 84,637 Criticized (nonaccrual) — — — — — 4,669 — — 4,669 Subtotal multifamily residential 665,780 1,484,517 862,947 612,408 499,184 888,356 8,690 1,281 5,023,163 Gross write-offs for the year ended December 31, 2023 — — — — — 3 — — 3 Construction and land: Pass 209,775 280,151 120,724 39,928 808 5,501 6,981 — 663,868 Subtotal construction and land 209,775 280,151 120,724 39,928 808 5,501 6,981 — 663,868 Total CRE 3,405,325 5,885,538 3,230,264 2,129,310 2,125,717 3,515,384 108,522 64,052 20,464,112 Total CRE gross write-offs for the year ended December 31, 2023 (2) — — — — — 1,332 — — 1,332 Total commercial $ 5,827,011 $ 7,589,913 $ 4,647,905 $ 2,481,175 $ 2,414,789 $ 3,719,778 $ 10,280,425 $ 84,195 $ 37,045,191 Total commercial gross write-offs for the year ended December 31, 2023 (2) $ 350 $ 10,454 $ 424 $ 3,758 $ 9,748 $ 3,980 $ 1,593 $ — $ 30,307 December 31, 2023 Term Loans by Origination Year ($ in thousands) 2023 2022 2021 2020 2019 Prior Revolving Loans Revolving Loans Converted to Term Loans (1) Total Consumer: Residential mortgage: Single-family residential: Pass (4) $ 3,188,830 $ 3,340,789 $ 2,279,802 $ 1,594,525 $ 980,686 $ 1,959,974 $ — $ — $ 13,344,606 Criticized (accrual) 2,680 4,471 566 1,440 1,503 4,167 — — 14,827 Criticized (nonaccrual) (3) 4,466 837 3,902 2,081 3,626 8,715 — — 23,627 Subtotal single-family residential mortgage 3,195,976 3,346,097 2,284,270 1,598,046 985,815 1,972,856 — — 13,383,060 HELOCs: Pass 3,641 3,882 1,734 3,153 729 9,251 1,551,074 126,280 1,699,744 Criticized (accrual) 565 1,219 1,872 101 185 1,470 2,548 1,089 9,049 Criticized (nonaccrual) 815 856 413 72 584 6,863 279 3,529 13,411 Subtotal HELOCs 5,021 5,957 4,019 3,326 1,498 17,584 1,553,901 130,898 1,722,204 Gross write-offs for the year ended December 31, 2023 (2) — — — — — 41 — 6 47 Total residential mortgage 3,200,997 3,352,054 2,288,289 1,601,372 987,313 1,990,440 1,553,901 130,898 15,105,264 Total residential mortgage gross write-offs for the year ended December 31, 2023 (2) — — — — — 41 — 6 47 Other consumer: Pass 2,286 18,098 135 — — 13,244 26,432 — 60,195 Criticized (nonaccrual) — — — — — — 132 — 132 Total other consumer 2,286 18,098 135 — — 13,244 26,564 — 60,327 Total consumer $ 3,203,283 $ 3,370,152 $ 2,288,424 $ 1,601,372 $ 987,313 $ 2,003,684 $ 1,580,465 $ 130,898 $ 15,165,591 Total consumer gross write-offs for the year ended December 31, 2023 (2) $ — $ — $ — $ — $ — $ 41 $ — $ 6 $ 47 Total by Risk Rating: Pass $ 8,877,690 $ 10,839,026 $ 6,723,921 $ 4,010,720 $ 3,326,731 $ 5,504,224 $ 11,739,785 $ 210,475 $ 51,232,572 Criticized (accrual) 145,219 111,430 207,962 64,855 67,738 158,049 119,744 1,089 876,086 Criticized (nonaccrual) 7,385 9,609 4,446 6,972 7,633 61,189 1,361 3,529 102,124 Total $ 9,030,294 $ 10,960,065 $ 6,936,329 $ 4,082,547 $ 3,402,102 $ 5,723,462 $ 11,860,890 $ 215,093 $ 52,210,782 Total loans held-for-investment gross write-offs for the year ended December 31, 2023 (2) $ 350 $ 10,454 $ 424 $ 3,758 $ 9,748 $ 4,021 $ 1,593 $ 6 $ 30,354 (1) $1 million and $8 million of total commercial loans, comprised o f C&I and CRE re volving loans, converted to term loans during the three and six months ended June 30, 2024, respectively. In comparison, $1 million and $14 million of total commercial loans, primarily comprised of CRE revolving loans converted to term loans during the three and six months ended June 30, 2023, respectively. $18 million and $28 million of total consumer loans, comprised of HELOCs, converted to term loans during the three and six months ended June 30, 2024, respectively. In comparison, $10 million and $14 million of total consumer loans, comprised of HELOCs, converted to term loans during the three and six months ended June 30, 2023, respectively. (2) Excludes gross write-offs associated with loans the Company sold or settled. (3) As of both June 30, 2024 and December 31, 2023, $1 million of nonaccrual loans whose payments were guaranteed by the Federal Housing Administration were classified with a “Pass” rating. Nonaccrual and Past Due Loans Loans that are 90 or more days past due are generally placed on nonaccrual status unless the loan is well-collateralized and in the process of collection. Loans that are less than 90 days past due but have identified deficiencies, such as when the full collection of principal or interest becomes uncertain, are also placed on nonaccrual status. June 30, 2024 ($ in thousands) Current Accruing Loans Accruing Loans 30-59 Days Past Due Accruing Loans 60-89 Days Past Due Total Accruing Past Due Loans Total Nonaccrual Loans Total Loans Commercial: C&I $ 16,785,688 $ 12,851 $ 9,510 $ 22,361 $ 66,960 $ 16,875,009 CRE: CRE 14,518,793 11,627 895 12,522 31,280 14,562,595 Multifamily residential 5,094,712 891 — 891 4,607 5,100,210 Construction and land 653,477 — — — 11,316 664,793 Total CRE 20,266,982 12,518 895 13,413 47,203 20,327,598 Total commercial 37,052,670 25,369 10,405 35,774 114,163 37,202,607 Consumer: Residential mortgage: Single-family residential 13,667,351 29,993 12,141 42,134 38,284 13,747,769 HELOCs 1,729,694 13,236 5,219 18,455 13,230 1,761,379 Total residential mortgage 15,397,045 43,229 17,360 60,589 51,514 15,509,148 Other consumer 55,706 158 85 243 205 56,154 Total consumer 15,452,751 43,387 17,445 60,832 51,719 15,565,302 Total $ 52,505,421 $ 68,756 $ 27,850 $ 96,606 $ 165,882 $ 52,767,909 December 31, 2023 ($ in thousands) Current Accruing Loans Accruing Loans 30-59 Days Past Due Accruing Loans 60-89 Days Past Due Total Accruing Past Due Loans Total Nonaccrual Loans Total Loans Commercial: C&I $ 16,508,394 $ 28,550 $ 7,099 $ 35,649 $ 37,036 $ 16,581,079 CRE: CRE 14,750,315 1,719 1,798 3,517 23,249 14,777,081 Multifamily residential 5,017,897 597 — 597 4,669 5,023,163 Construction and land 650,617 13,251 — 13,251 — 663,868 Total CRE 20,418,829 15,567 1,798 17,365 27,918 20,464,112 Total commercial 36,927,223 44,117 8,897 53,014 64,954 37,045,191 Consumer: Residential mortgage: Single-family residential 13,313,455 29,285 15,943 45,228 24,377 13,383,060 HELOCs 1,687,301 12,266 9,226 21,492 13,411 1,722,204 Total residential mortgage 15,000,756 41,551 25,169 66,720 37,788 15,105,264 Other consumer 56,930 3,123 142 3,265 132 60,327 Total consumer 15,057,686 44,674 25,311 69,985 37,920 15,165,591 Total $ 51,984,909 $ 88,791 $ 34,208 $ 122,999 $ 102,874 $ 52,210,782 The following table presents the ($ in thousands) June 30, 2024 December 31, 2023 Commercial: C&I $ 50,808 $ 33,089 CRE 30,674 22,653 Multifamily residential 4,210 4,235 Construction and land 11,316 — Total commercial 97,008 59,977 Consumer: Single-family residential 14,461 4,852 HELOCs 7,057 7,256 Total consumer 21,518 12,108 Total nonaccrual loans with no related allowance for loan losses $ 118,526 $ 72,085 Foreclosed Assets The Company acquires assets from borrowers through loan restructurings, workouts, or foreclosures. Assets acquired may include real properties (e.g., real estate, land, and buildings) and commercial and personal properties. The Company recognizes foreclosed assets upon receiving assets in satisfaction of a loan (e.g., taking legal title or physical possession). Foreclosed assets, consisting of OREO and other nonperforming assets, are included in Other assets on the Consolidated Balance Sheet. The Company had $30 million of foreclosed assets as of June 30, 2024, compared with $11 million as of December 31, 2023. The Company commences the foreclosure process on consumer mortgage loans after a borrower becomes more than 120 days delinquent in accordance with the Consumer Financial Protection Bureau guidelines. The carrying value of the consumer real estate loans that were in an active or suspended foreclosure process was $8 million as of both June 30, 2024 and December 31, 2023. Loan Modifications to Borrowers Experiencing Financial Difficulty As part of the Company’s loss mitigation efforts, the Company may agree to modify the contractual terms of a loan to assist borrowers experiencing financial difficulty. The Company negotiates loan modifications on a case-by-case basis to achieve mutually agreeable terms that maximize loan collectability and meet the borrower’s financial needs. The Company considers various factors to identify borrowers experiencing financial difficulty. The primary factor for consumer borrowers is delinquency status. For commercial loan borrowers, these factors include credit risk ratings, the probability of loan risk rating downgrades, and overall risk profile changes. The modification may include, but is not limited to, payment deferrals, interest rate reductions, term extensions, principal forgiveness, or a combination of such modifications. Commercial loan borrowers that require immaterial modifications such as insignificant interest rate changes, short-term extensions (90 days or less) from the original maturity date, or temporary waivers or extensions of financial covenants which would not constitute material credit actions, are generally not considered to be experiencing financial difficulty and are not included in the disclosure. Insignificant payment deferrals (three months or less in the last 12 months) are also not included in the disclosure. The following tables present the amortized cost of loans that were modified during the three and six months ended June 30, 2024 and 2023 by loan class and modification type: Three Months Ended June 30, 2024 Modification Type ($ in thousands) Term Extension Payment Delay Combination: Term Extension/ Payment Delay Combination: Rate Reduction/ Payment Delay Total Modification as a % of Loan Class Commercial: C&I $ 11,901 $ 5,658 $ 2,951 $ — $ 20,510 0.12 % CRE — — — 11,020 11,020 0.05 % Total commercial 11,901 5,658 2,951 11,020 31,530 Consumer: Single-family residential — 4,791 — — 4,791 0.03 % HELOCs — 2,053 — — 2,053 0.12 % Other consumer 3,000 — — — 3,000 5.34 % Total consumer 3,000 6,844 — — 9,844 Total $ 14,901 $ 12,502 $ 2,951 $ 11,020 $ 41,374 Three Months Ended June 30, 2023 Modification Type ($ in thousands) Term Extension Payment Delay Combination: Term Extension/ Payment Delay Combination: Rate Reduction/ Term Extension Combination: Principal Forgiveness/ Rate Reduction/ Term Extension Total Modification as a % of Loan Class Commercial: C&I $ 13,475 $ 12,788 $ — $ — $ 298 $ 26,561 0.17 % CRE — — — 32,791 — 32,791 0.16 % Total commercial 13,475 12,788 — 32,791 298 59,352 Consumer: Single-family residential — 5,085 551 — — 5,636 0.05 % HELOCs — 978 — — — 978 0.05 % Total consumer — 6,063 551 — — 6,614 Total $ 13,475 $ 18,851 $ 551 $ 32,791 $ 298 $ 65,966 Six Months Ended June 30, 2024 Modification Type ($ in thousands) Term Extension Payment Delay Combination: Term Extension/ Payment Delay Combination: Rate Reduction/ Payment Delay Total Modification as a % of Loan Class Commercial: C&I $ 15,601 $ 25,886 $ 2,951 $ — $ 44,438 0.26 % CRE 24,321 — — 30,570 54,891 0.27 % Total commercial 39,922 25,886 2,951 30,570 99,329 Consumer: Single-family residential — 8,528 — — 8,528 0.06 % HELOCs — 6,881 — 517 7,398 0.42 % Other consumer 3,000 — — — 3,000 5.34 % Total consumer 3,000 15,409 — 517 18,926 Total $ 42,922 $ 41,295 $ 2,951 $ 31,087 $ 118,255 Six Months Ended June 30, 2023 Modification Type ($ in thousands) Term Extension Payment Delay Combination: Term Extension/ Payment Delay Combination: Rate Reduction/ Term Extension Combination: Principal Forgiveness/ Rate Reduction/ Term Extension Total Modification as a % of Loan Class Commercial: C&I $ 33,098 $ 26,799 $ — $ — $ 298 $ 60,195 0.38 % CRE 526 — — 32,791 — 33,317 0.17 % Total commercial 33,624 26,799 — 32,791 298 93,512 Consumer: Single-family residential — 5,085 551 — — 5,636 0.05 % HELOCs — 978 726 — — 1,704 0.09 % Total consumer — 6,063 1,277 — — 7,340 Total $ 33,624 $ 32,862 $ 1,277 $ 32,791 $ 298 $ 100,852 The following tables present the financial effects of the loan modifications for the three and six months ended June 30, 2024 and 2023 by loan class and modification type: Financial Effects of Loan Modifications for the Three Months Ended June 30, 2024 2023 ($ in thousands) Weighted-Average Interest Rate Reduction Weighted-Average Term Extension (in years) Weighted-Average Payment Delay Principal Forgiveness Weighted-Average Interest Rate Reduction Weighted-Average Term Extension (in years) Weighted-Average Payment Delay (in years) Commercial: C&I — % 2.0 2.0 $ 345 (1) 8.50 % (1) 1.7 0.6 CRE 2.50 % 0.0 1.2 — 3.00 % 2.5 0.0 Consumer: Single-family residential — % 0.0 0.8 — — % 9.7 0.9 HELOCs — % 0.0 0.7 — — % 0.0 0.6 Other consumer — % 0.8 0.0 — — % 0.0 0.0 Financial Effects of Loan Modifications for the Six Months Ended June 30, 2024 2023 ($ in thousands) Weighted-Average Interest Rate Reduction Weighted-Average Term Extension (in years) Weighted-Average Payment Delay Principal Forgiveness Weighted-Average Interest Rate Reduction Weighted-Average Term Extension (in years) Weighted-Average Payment Delay (in years) Commercial: C&I — % 2.0 1.5 $ 345 (1) 8.50 % (1) 1.5 0.8 CRE 2.66 % 1.5 1.0 — 3.00 % 2.5 0.0 Consumer: Single-family residential — % 0.0 0.8 — — % 9.7 0.9 HELOCs 0.25 % 0.0 2.8 — — % 14.8 0.5 Other consumer — % 0.8 0.0 — — % 0.0 0.0 (1) Comprised of a C&I loan modified during the three and six months ended June 30, 2023 where the interest is waived in addition to principal forgiveness. A modified loan may become delinquent and result in a payment default (generally 90 days past due) subsequent to modification. The following table presents information on loans that defaulted during the three and six months ended June 30, 2024 that received modifications during the 12 months preceding payment default: Loans Modified Subsequently Defaulted During Three Months Ended June 30, 2024 ($ in thousands) Term Extension Payment Delay Combination: Rate Reduction/ Payment Delay Combination: Term Extension/ Payment Delay Total Commercial: C&I $ — $ 5,658 $ — $ — $ 5,658 Total commercial — 5,658 — — 5,658 Consumer: Single-family residential — 3,613 — 2,438 6,051 HELOCs — 941 1,149 — 2,090 Total consumer — 4,554 1,149 2,438 8,141 Total $ — $ 10,212 $ 1,149 $ 2,438 $ 13,799 Loans Modified Subsequently Defaulted During the Six Months Ended June 30, 2024 ($ in thousands) Term Extension Payment Delay Combination: Rate Reduction/ Payment Delay Combination: Term Extension/ Payment Delay Total Commercial: C&I $ 7,829 $ 5,658 $ — $ — $ 13,487 Total commercial 7,829 5,658 — — 13,487 Consumer: Single-family residential — 7,575 — 2,823 10,398 HELOCs — 941 1,149 — 2,090 Total consumer — 8,516 1,149 2,823 12,488 Total $ 7,829 $ 14,174 $ 1,149 $ 2,823 $ 25,975 In comparison, there were no loans that received modifications and subsequently defaulted during both the three and six months ended June 30, 2023. The Company monitors the performance of modified loans to borrowers experiencing financial difficulty to understand the effectiveness of its modification efforts. The following tables present the performance of loans that were modified in the twelve months ended June 30, 2024. For the comparative period, the amounts represent the performance of loans that were modified in the six months ended June 30, 2023, subsequent to the adoption of ASU 2022-02 on January 1, 2023: Payment Performance as of June 30, 2024 ($ in thousands) Current 30 - 89 Days Past Due 90+ Days Past Due Total Commercial: C&I $ 67,004 $ — $ 7,829 $ 74,833 CRE 54,892 — — 54,892 Total commercial 121,896 — 7,829 129,725 Consumer: Single-family residential 8,261 1,325 8,240 17,826 HELOCs 6,396 3,296 1,210 10,902 Other consumer 3,000 — — 3,000 Total consumer 17,657 4,621 9,450 31,728 Total $ 139,553 $ 4,621 $ 17,279 $ 161,453 Payment Performance as of June 30, 2023 ($ in thousands) Current 30 - 89 Days Past Due 90+ Days Past Due Total Commercial: C&I $ 48,206 $ 7,000 $ 4,989 $ 60,195 CRE 33,317 — — 33,317 Total commercial 81,523 7,000 4,989 93,512 Consumer: Single-family residential 5,045 591 — 5,636 HELOCs 1,704 — — 1,704 Total consumer 6,749 591 — 7,340 Total $ 88,272 $ 7,591 $ 4,989 $ 100,852 Commitments outstanding to lend additional funds to borrowers experiencing financial difficulty whose loans were modified were $12 million and $4 million, as of June 30, 2024 and December 31, 2023, respectively. Allowance for Credit Losses The Company has a current expected credit losses framework for all financial assets measured at amortized cost and certain off-balance sheet credit exposures. The Company’s allowance for credit losses, which includes both the allowance for loan losses and the allowance for unfunded credit commitments, is calculated with the objective of maintaining a reserve sufficient to absorb losses inherent in our credit portfolios. The measurement of the allowance for credit losses is based on management’s best estimate of lifetime expected credit losses, periodic evaluation of the loan portfolio, lending-related commitments and other relevant factors. The allowance for credit losses is deducted from the amortized cost basis of a financial asset or a group of financial assets so that the balance sheet reflects the net amount the Company expects to collect. Amortized cost is the principal balance outstanding, net of purchase premiums and discounts, deferred fees and costs, and escrow advances. Subsequent changes in expected credit losses are recognized in net income as a provision for, or a reversal of, credit loss expense. The allowance for credit losses estimation involves procedures to consider the unique risk characteristics of the portfolio segments. The majority of the Company’s credit exposures that share risk characteristics with other similar exposures are collectively evaluated. The collectively evaluated loans include performing loans and unfunded credit commitments. If an exposure does not share risk characteristics with other exposures, the Company generally estimates expected credit losses on an individual basis. Allowance for Collectively Evaluated Loans The allowance for collectively evaluated loans consists of a quantitative component that assesses the different risk factors considered in our models and a qualitative component that considers risk factors external to the models. Each of these components are described below. Quantitative Component — The Company applies quantitative methods to estimate loan losses by considering a variety of factors such as historical loss experience, the current credit quality of the portfolio, and an economic outlook over the life of the loan. The Company incorporates forward-looking information using macroeconomic scenarios which include variables that are considered key drivers of increases and decreases in credit losses. The Company utilizes a probability-weighted, multiple-scenario forecast approach. These scenarios may consist of a base forecast representing management's view of the most likely outcome, combined with downside or upside scenarios reflecting possible worsening or improving economic conditions. The quantitative models incorporate a probability-weighted calculation of these macroeconomic scenarios over a reasonable and supportable forecast period. If the life of the loans extends beyond the reasonable and supportable forecast period, the Company will consider historical experience or long-run macroeconomic trends over the remaining life of the loans to estimate the allowance for loan losses. There were no changes to the reasonable and supportable forecast period, except to the C&I segment, and no changes to the reversion to the historical loss experience method for the three and six months ended June 30, 2024 and 2023. The reasonable and supportable forecast period for the C&I segment changed from 11 quarters to eight quarters due to model redevelopment during the third quarter of 2023. The following table provides key credit risk characteristics and macroeconomic variables that the Company uses to estimate the expected credit losses by portfolio segment: Portfolio Segment Risk Characteristics Macroeconomic Variables C&I Age percentage, size at origination, delinquency status, sector and risk rating Unemployment rate, Gross Domestic Product (“GDP”), and U.S. Treasury rates (1) CRE, Multifamily residential, and Construction and land Delinquency status, maturity date, collateral value, property type, and geographic location Unemployment rate, GDP, and U.S. Treasury rates Single-family residential and HELOCs FICO score, delinquency status, maturity date, collateral value, and geographic location Unemployment rate, GDP, and Home Price Indices Other consumer Loss rate approach Immaterial (2) (1) Macroeconomic variables were updated due to model redevelopment. (2) Macroeconomic variables are included in the qualitative estimate. Quantitative Component — Allowance for Loan Losses for the Commercial Loan Portfolio The Company’s C&I lifetime loss rate model estimates the loss rate expected over the life of a loan. This loss rate is applied to the amortized cost basis, excluding accrued interest receivable, to determine expected credit losses. The lifetime loss rate model’s reasonable and supportable period spans eight quarters, thereafter, immediately reverting to the historical average loss rate, expressed through the loan-level lifetime loss rate. To generate estimates of expected loss at the loan level for CRE, multifamily residential, and construction and land loans, projected probabilities of default (“PDs”) and loss given defaults (“LGDs”) are applied to the estimated exposure at default, considering the term and payment structure of the loan. The forecast of future economic conditions returns to long-run historical economic trends within the reasonable and supportable period. To estimate the life of a loan under both models, the contractual term of the loan is adjusted for estimated prepayments based on historical prepayment experience. Quantitative Component — Allowance for Loan Losses for the Consumer Loan Portfolio For single-family residential and HELOC loans, projected PDs and LGDs are applied to the estimated exposure at default, considering the term and payment structure of the loan, to generate estimates of expected loss at the loan level. The forecast of future economic conditions returns to long-run historical economic trends after the reasonable and supportable period. To estimate the life of a loan for the single-family residential and HELOC loan portfolios, the contractual term of the loan is adjusted for estimated prepayments based on historical prepayment experience. For other consumer loans,

Affordable Housing Partnership,

Affordable Housing Partnership, Tax Credit and Community Reinvestment Act Investments, Net	6 Months Ended
	Jun. 30, 2024
Investments in Qualified Affordable Housing Partnerships, Tax Credit and Other Investments, Net and Variable Interest Entities [Abstract]
Affordable Housing Partnership, Tax Credit and Community Reinvestment Act Investments, Net	Affordable Housing Partnership, Tax Credit and Community Reinvestment Act Investments, Net The CRA encourages banks to meet the credit needs of their communities, particularly low- and moderate-income individuals and neighborhoods. The Company invests in certain affordable housing projects in the form of ownership interests in limited partnerships or limited liability companies that qualify for CRA consideration and tax credits. These entities are formed to develop and operate apartment complexes designed as high-quality affordable housing for lower income tenants throughout the U.S. To fully utilize the available tax credits, each of these entities must meet the affordable housing regulatory requirements for a 15-year minimum compliance period. The Company also invests in small business investment companies and new markets tax credit projects that qualify for CRA consideration, as well as eligible projects that qualify for production, historic and renewable energy tax credits. Investments in new markets tax credits promote development in low-income communities, investments in production and renewable energy tax credits help promote the development of renewable energy sources, and investments in historic tax credits promote the rehabilitation of historic buildings and economic revitalization of the surrounding areas. The majority of affordable housing partnership, tax credit and CRA investments discussed above are variable interest entities where the Company is a limited partner in these investments, and an unrelated third party is typically the general partner or managing member who has control over the significant activities of these investments. While the Company’s interest in some of the investments may exceed 50% of the outstanding equity interests, the Company does not consolidate these investments due to the general partner’s or managing member’s ability to manage the entity, which is indicative of the general partner’s or managing member’s power over the entity. The Company’s maximum exposure to loss in connection with these partnerships consists of the unamortized investment balance and any tax credits claimed that may become subject to recapture. The Company records its investments in qualifying affordable housing partnerships, net, using PAM. Following the adoption of ASU 2023-02 on January 1, 2024, the Company elects to account for its tax credit investments using PAM on a program-by-program basis if certain conditions are met. For the Company’s accounting policies on PAM, see Note 2 — Current Accounting Developments and Summary of Significant Accounting Policies — Significant Accounting Policies Update — Income Taxes to the Consolidated Financial Statements in this Form 10-Q. For discussion on the Company’s impairment evaluation and monitoring process of tax credit investments, refer to Note 3 — Fair Value Measurement and Fair Value of Financial Instruments — Affordable Housing Partnership, Tax Credit and CRA Investments, Net to the Consolidated Financial Statements in this Form 10-Q. The following table presents the investments and unfunded commitments of the Company’s affordable housing partnership, tax credit, and CRA investments, net as of June 30, 2024 and December 31, 2023: June 30, 2024 December 31, 2023 ($ in thousands) Assets Liabilities - Unfunded Commitments (1) Assets Liabilities - Unfunded Commitments (1) PAM: Affordable housing partnership investments $ 475,751 $ 293,387 $ 419,785 $ 251,746 Tax credit and CRA investments 211,591 107,010 — — Equity method of accounting and other: Tax credits and CRA investments 269,086 152,123 485,251 298,990 Total $ 956,428 $ 552,520 $ 905,036 $ 550,736 (1) Included in Accrued expenses and other liabilities on the Consolidated Balance Sheet. The following table presents additional information related to the investments in affordable housing partnership, tax credit and CRA investments for the three and six months ended June 30, 2024 and 2023: Three Months Ended June 30, Six Months Ended June 30, ($ in thousands) 2024 2023 2024 2023 Tax credits and benefits (1) : PAM: Affordable housing partnership investments $ 15,612 $ 15,304 $ 34,031 $ 31,398 Tax credit and CRA investments 26,304 — 53,453 — Equity method of accounting and other: Tax credit and CRA investments 21,543 58,404 34,137 72,902 Total tax credits and benefits $ 63,459 $ 73,708 $ 121,621 $ 104,300 Amortization: PAM: Affordable housing partnership investments (2) $ 9,774 $ 10,506 $ 23,643 $ 23,172 Tax credit and CRA investments (3) 20,015 — 43,316 — Equity method of accounting and other: Tax credit and CRA investments (4) (5) 16,052 55,914 29,259 66,024 Total amortization $ 45,841 $ 66,420 $ 96,218 $ 89,196 (1) Included in Income tax expense on the Consolidated Statement of Income for the three and six months ended June 30, 2024 and 2023. (2) Amortization related to investments in qualified affordable housing partnerships under PAM was recorded in Income tax expense on the Consolidated Statement of Income for the three and six months ended June 30, 2024 and 2023. (3) Due to the adoption of ASU 2023-02 on January 1, 2024, amortization related to qualifying tax credit investments under PAM was recorded in Income tax expense on the Consolidated Statement of Income for the three and six months ended June 30, 2024. (4) Amortization related to tax credit and CRA investments was recognized in Amortization of tax credit and CRA investments as part of noninterest expense on the Consolidated Statement Income for the three and six months ended June 30, 2024 and 2023. (5) Includes net impairment recoveries of $1 million and $2 million for the three and six months ended June 30, 2023, respectively, primarily related to historic tax credits. In comparison, there were no impairment recoveries or losses for three or six months ended June 30, 2024. The Company also held equity securities without readily determinable fair values totaling $148 million and $146 million as of June 30, 2024 and December 31, 2023, respectively. Equity securities without readily determinable fair values are included in Other Assets and Affordable housing partnership, tax credit and CRA investments, net on the Consolidated Balance Sheet.

Goodwill

Goodwill	6 Months Ended
	Jun. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	Goodwill Total goodwill was $466 million as of both June 30, 2024 and December 31, 2023. The Company’s goodwill impairment test is performed annually, as of December 31, or more frequently as events occur or circumstances change that would more-likely-than-not reduce the fair value of a reporting unit below its carrying value. Based on the Company’s annual goodwill impairment test as of December 31, 2023, there was no impairment. Additional information pertaining to the Company’s accounting policy for goodwill is summarized in Note 1 — Summary of Significant Accounting Policies — Significant Accounting Policies — Goodwill to the Consolidated Financial Statements in the Company’s 2023 Form 10-K. The Company performed an analysis of goodwill during the second quarter of 2024 that consisted of a qualitative assessment to determine if it was more likely than not that the carrying values of each reporting unit exceeded their estimated fair values. The results of this analysis indicated that no impairment of goodwill existed as of June 30, 2024. The Company has an equity method investment in Rayliant and its carrying value was $110 million as of June 30, 2024, of which $101 million was comprised of equity method goodwill. For additional information on this investment, Note 7 - Investments in Qualified Affordable Housing Partnerships, Tax Credit and Other Investments, Net and Variable Interest Entities

Short-Term Borrowings and Long-

Short-Term Borrowings and Long-Term Debt	6 Months Ended
	Jun. 30, 2024
Debt Disclosure [Abstract]
Short-Term Borrowings and Long-Term Debt	Short-Term Borrowings and Long-Term Debt The following table presents details of the Company’s short-term and BTFP borrowings, FHLB advances, and long-term debt as of June 30, 2024 and December 31, 2023: June 30, 2024 December 31, 2023 ($ in thousands) Interest Rates Maturity Dates Amount Amount Bank BTFP borrowings 4.37% 3/19/2024 $ — $ 4,500,000 FHLB advances (1) — floating (2) 5.51% — 5.58% 2024 — 2025 $ 3,500,000 $ — Parent company Junior subordinated debt (3) — floating (2) 7.15% 12/15/2035 $ 31,844 $ 148,249 (1) The weighted-average interest rate for FHLB advances was 5.54% as of June 30, 2024. (2) Floating interest rates are based on the Secured Overnight Financing Rate plus the established spread. (3) The weighted-average interest rates for junior subordinated debt were 7.15% and 6.87% as of June 30, 2024 and December 31, 2023, respectively. The Bank’s available borrowing capacity from FHLB advances totaled $8.3 billion as of June 30, 2024. The Bank’s available borrowing capacity from the FHLB is derived from its portfolio of loans that are pledged to the FHLB, reduced by any outstanding FHLB advances. As of June 30, 2024, all advances were secured by real estate loans. During the first quarter of 2024, the Company redeemed approximately $117 million of junior subordinated debt and repaid $4.5 billion of BTFP borrowings upon maturity. For additional information on the BTFP and junior subordinated debt, refer to Note 10 — Short-Term Borrowings and Long-Term Debt to the Consolidated Financial Statements in the Company’s 2023 Form 10-K.

Commitments and Contingencies

Commitments and Contingencies	6 Months Ended
	Jun. 30, 2024
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies Commitments to Extend Credit — In the normal course of business, the Company provides loan commitments and letters of credit to customers on predetermined terms. These outstanding commitments to extend credit are not reflected in the accompanying Consolidated Financial Statements. While the Company does not anticipate losses from these transactions, commitments to extend credit are included in determining the appropriate level of allowance for unfunded credit commitments. The following table presents the Company’s credit-related commitments as of June 30, 2024 and December 31, 2023: June 30, 2024 December 31, 2023 ($ in thousands) Expire in One Year or Less Expire After One Year Through Three Years Expire After Three Years Through Five Years Expire After Five Years Total Total Loan commitments $ 4,769,476 $ 3,376,989 $ 632,152 $ 143,822 $ 8,922,439 $ 9,141,447 Commercial letters of credit and standby letters of credit (“SBLCs”) 1,206,498 357,450 150,329 1,122,720 2,836,997 2,610,761 Total $ 5,975,974 $ 3,734,439 $ 782,481 $ 1,266,542 $ 11,759,436 $ 11,752,208 Loan commitments are agreements to lend to customers provided there are no violations of any conditions established in the agreement. Commitments generally have fixed expiration dates or other termination clauses and may require commitment fees. Since many of the commitments are expected to expire without being drawn upon, the total commitment amounts do not necessarily represent future funding requirements. Commercial letters of credit are issued to facilitate domestic and foreign trade transactions, while SBLCs are generally contingent upon the failure of the customers to perform according to the terms of the underlying contract with the third party. As a result, the total contractual amounts do not necessarily represent future funding requirements. The Company’s historical experience is that SBLCs typically expire without being funded. Additionally, in many cases, the Company holds collateral in various forms against these SBLCs. As part of its risk management activities, the Company monitors the creditworthiness of customers in conjunction with its SBLC exposure. Customers are obligated to reimburse the Company for any payment made on the customers’ behalf. If the customers fail to pay, the Company would, as applicable, liquidate the collateral and/or offset existing accounts. As of June 30, 2024, total letters of credit of $2.8 billion consisted of SBLCs of $2.8 billion and commercial letters of credit of $31 million. In comparison, as of December 31, 2023, total letters of credit of $2.6 billion consisted of SBLCs of $2.6 billion and commercial letters of credit of $24 million. As of both June 30, 2024 and December 31, 2023, substantially all letters of credit were graded “Pass” using the Bank’s internal credit risk rating system. The Company applies the same credit underwriting criteria to extend loans, commitments, and conditional obligations to customers. Each customer’s creditworthiness is evaluated on a case-by-case basis. Collateral and financial guarantees may be obtained based on management’s assessment of a customer’s credit risk. Collateral may include cash, accounts receivable, inventory, personal property, plant and equipment, and real estate property. Estimated exposure to loss from these commitments is included in the allowance for unfunded credit commitments and amounted to $39 million and $38 million as of June 30, 2024 and December 31, 2023, respectively. Guarantees — From time to time, the Company sells or securitizes single-family and multifamily residential loans with recourse in the ordinary course of business. The Company is obligated to repurchase up to the recourse component of the loans if the loans default. The following table presents the maximum potential future payments and carrying value of loans sold or securitized with recourse as of June 30, 2024 and December 31, 2023: Maximum Potential Future Payments Carrying Value (1) June 30, 2024 December 31, 2023 June 30, 2024 December 31, 2023 ($ in thousands) Expire in One Year or Less Expire After One Year Through Three Years Expire After Three Years Through Five Years Expire After Five Years Total Total Total Total Single-family residential loans sold or securitized with recourse $ 3 $ 15 $ 25 $ 4,698 $ 4,741 $ 5,888 $ 4,741 $ 5,888 Multifamily residential loans sold or securitized with recourse — — 155 14,841 14,996 14,996 18,445 19,020 Total $ 3 $ 15 $ 180 $ 19,539 $ 19,737 $ 20,884 $ 23,186 $ 24,908 (1) Represents the unpaid principal balance. The Company’s recourse reserve related to these guarantees is included in the allowance for unfunded credit commitments and totaled $43 thousand and $40 thousand as of June 30, 2024 and December 31, 2023, respectively. The allowance for unfunded credit commitments is included in Accrued expenses and other liabilities on the Consolidated Balance Sheet. The Company continues to experience minimal losses from the single-family and multifamily residential loan portfolios sold or securitized with recourse. Litigation — The Company is a party to various legal actions arising in the ordinary course of its business. In accordance with ASC 450, Contingencies, the Company accrues reserves for outstanding lawsuits, claims and proceedings when a loss contingency is probable and can be reasonably estimated. The Company estimates the amount of loss contingencies using current available information from legal proceedings, advice from legal counsel and available insurance coverage. Due to the inherent subjectivity of the assessments and unpredictability of the outcomes of the legal proceedings, any amounts accrued or included in this aggregate amount may not represent the ultimate loss to the Company from the legal proceedings in question. Thus, the Company’s exposure and ultimate losses may be higher, and possibly significantly more, than the amounts accrued.

Stock Compensation Plans

Stock Compensation Plans	6 Months Ended
	Jun. 30, 2024
Share-Based Payment Arrangement [Abstract]
Stock Compensation Plans	Stock Compensation Plans Pursuant to the Company’s 2021 Stock Incentive Plan, as amended, the Company may issue stock, stock options, restricted stock, RSUs including performance-based RSUs, stock purchase warrants, stock appreciation rights, phantom stock and dividend equivalents to eligible employees, non-employee directors, consultants, and other service providers of East West and its subsidiaries. The Company has granted RSUs as its primary incentive awards. There were no outstanding awards other than RSUs as of both June 30, 2024 and December 31, 2023. The following table presents a summary of the total share-based compensation expense and the related net tax benefits associated with the Company’s various employee share-based compensation plans for the three and six months ended June 30, 2024 and 2023: Three Months Ended June 30, Six Months Ended June 30, ($ in thousands) 2024 2023 2024 2023 Stock compensation costs $ 10,666 $ 9,364 $ 23,654 $ 20,439 Related net tax benefits for stock compensation plans $ 9 $ 525 $ 792 $ 8,815 Restricted Stock Units — RSUs are granted under the Company’s long-term incentive plan at no cost to the recipient. RSUs generally cliff vest after three years of continued employment from the date of the grant and are authorized to settle in shares of the Company’s common stock. Dividends are accrued during the vesting period and paid at the time of vesting. While a portion of RSUs are time-based vesting awards, others vest subject to the attainment of additional specified performance goals, referred to as “performance-based RSUs.” Performance-based RSUs are granted annually upon approval by the Company’s Compensation and Management Development Committee based on the performance in the year prior to the grant date of the award. The number of awards that vest can range from zero percent to a maximum of 200% of the granted number of awards based on the Company’s achievement of specified performance criteria over a performance period of three years. For information on accounting on stock-based compensation plans, see Note 1 — Summary of Significant Accounting Policies — Significant Accounting Policies — Stock-Based Compensation to the Consolidated Financial Statements of the Company’s 2023 Form 10-K. The following table presents a summary of the activities for the Company’s time- and performance-based RSUs that were settled in shares for the six months ended June 30, 2024. The number of performance-based RSUs stated below reflects the number of awards granted on the grant date. Time-Based RSUs Performance-Based RSUs Shares Weighted-Average Grant Date Fair Value Shares Weighted-Average Grant Date Fair Value Outstanding, January 1, 2024 1,206,518 $ 74.29 276,223 $ 78.59 Granted 522,454 75.77 97,798 80.28 Vested (305,954) 71.68 (91,960) 77.67 Forfeited (36,948) 74.89 — — Outstanding, June 30, 2024 1,386,070 $ 75.41 282,061 $ 79.48 As of June 30, 2024, there were $45 million of unrecognized compensation costs related to unvested time-based RSUs expected to be recognized over a weighted-average period of 2.1 years, and $22 million of unrecognized compensation costs related to unvested performance-based RSUs expected to be recognized over a weighted-average period of 2.1 years.

Stockholders' Equity and Earnin

Stockholders' Equity and Earnings Per Share	6 Months Ended
	Jun. 30, 2024
Stockholders' Equity and Earnings Per Share [Abstract]
Stockholders' Equity and Earnings Per Share	Stockholders’ Equity and Earnings Per Share The following table presents the basic and diluted EPS calculations for the three and six months ended June 30, 2024 and 2023. 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 in the Company’s 2023 Form 10-K. ($ and shares in thousands, except per share data) Three Months Ended June 30, Six Months Ended June 30, 2024 2023 2024 2023 Basic: Net income $ 288,230 $ 312,031 $ 573,305 $ 634,470 Weighted-average number of shares outstanding 138,980 141,468 139,195 141,291 Basic EPS $ 2.07 $ 2.21 $ 4.12 $ 4.49 Diluted: Net income $ 288,230 $ 312,031 $ 573,305 $ 634,470 Weighted-average number of shares outstanding 138,980 141,468 139,195 141,291 Add: Dilutive impact of unvested RSUs 821 408 852 619 Diluted weighted-average number of shares outstanding 139,801 141,876 140,047 141,910 Diluted EPS $ 2.06 $ 2.20 $ 4.09 $ 4.47 For both the three and six months ended June 30, 2024, approximately 3 thousand weighted-average shares of anti-dilutive RSUs were excluded from the diluted EPS computations. In comparison, approximately 1 million and 439 thousand weighted-average shares of anti-dilutive RSUs were excluded from the diluted EPS computations for the three and six months ended June 30, 2023, respectively. Stock Repurchase Program — In 2020, the Company’s Board of Directors authorized a stock repurchase program to buy ba ck up to $500 million of the Company’s common stock. For the three months ended June 30, 2024 , the Company repurchased 560,645 shares at an average price of $72.74 per share at a total cost of $41 million . For the six months ended June 30, 2024 , the Company repurchased 1,742,496 shares at an average price of $70.72 per share at a total cost of $123 million. The Company did not repurchase any shares during the three and six months ended June 30, 2023 . As of June 30, 2024, the Company had approximately $49 million available for repurchases under its stock repurchase program.

Accumulated Other Comprehensive

Accumulated Other Comprehensive Income (Loss)	6 Months Ended
	Jun. 30, 2024
Equity [Abstract]
Accumulated Other Comprehensive Income (Loss)	Accumulated Other Comprehensive Income (Loss) The following table presents the changes in the components of AOCI balances for the three and six months ended June 30, 2024 and 2023: ($ in thousands) Debt Securities (1) Cash Flow Hedges Foreign Currency Translation Adjustments (2) Total Balance, April 1, 2023 $ (640,734) $ (20,918) $ (18,342) $ (679,994) Net unrealized losses arising during the period (43,618) (68,207) (7,249) (119,074) Amounts reclassified from AOCI 2,816 14,320 — 17,136 Changes, net of tax (40,802) (53,887) (7,249) (101,938) Balance, June 30, 2023 $ (681,536) $ (74,805) $ (25,591) $ (781,932) Balance, April 1, 2024 $ (601,510) $ (43,706) $ (17,517) $ (662,733) Net unrealized gains (losses) arising during the period 8,773 (17,678) (1,311) (10,216) Amounts reclassified from AOCI 1,451 17,325 — 18,776 Changes, net of tax 10,224 (353) (1,311) 8,560 Balance, June 30, 2024 $ (591,286) $ (44,059) $ (18,828) $ (654,173) ($ in thousands) Debt Securities (1) Cash Flow Hedges Foreign Currency Translation Adjustments (2) Total Balance, January 1, 2023 $ (694,815) $ (49,531) $ (21,283) $ (765,629) Net unrealized gains (losses) arising during the period 657 (47,121) (4,308) (50,772) Amounts reclassified from AOCI 12,622 21,847 — 34,469 Changes, net of tax 13,279 (25,274) (4,308) (16,303) Balance, June 30, 2023 $ (681,536) $ (74,805) $ (25,591) $ (781,932) Balance, January 1, 2024 $ (601,881) $ 2,624 $ (21,339) $ (620,596) Net unrealized gains (losses) arising during the period 6,491 (81,340) 2,511 (72,338) Amounts reclassified from AOCI 4,104 34,657 — 38,761 Changes, net of tax 10,595 (46,683) 2,511 (33,577) Balance, June 30, 2024 $ (591,286) $ (44,059) $ (18,828) $ (654,173) (1) Includes after-tax unamortized losses related to AFS debt securities that were transferred to HTM in 2022. (2) Represents foreign currency translation adjustments related to the Company’s net investment in non-U.S. operations, including related hedges. The functional currency and reporting currency of the Company’s foreign subsidiary was RMB and USD, respectively. The following table presents the components of other comprehensive income (loss), reclassifications to net income and the related tax effects for the three and six months ended June 30, 2024 and 2023: Three Months Ended June 30, 2024 2023 ($ in thousands) Before-Tax Tax Effect Net-of-Tax Before-Tax Tax Effect Net-of-Tax Debt securities: Net unrealized gains (losses) on AFS debt securities arising during the period $ 12,421 $ (3,648) $ 8,773 $ (61,939) $ 18,321 $ (43,618) Reclassification adjustments: Net realized gains on AFS debt securities reclassified into net income (1) (1,785) 528 (1,257) — — — Amortization of unrealized losses on transferred debt securities (2) 3,845 (1,137) 2,708 3,998 (1,182) 2,816 Net change 14,481 (4,257) 10,224 (57,941) 17,139 (40,802) Cash flow hedges: Net unrealized losses arising during the period (25,095) 7,417 (17,678) (96,457) 28,250 (68,207) Net realized losses reclassified into net income (3) 24,594 (7,269) 17,325 20,252 (5,932) 14,320 Net change (501) 148 (353) (76,205) 22,318 (53,887) Foreign currency translation adjustments, net of hedges: Net unrealized losses arising during the period (1,311) — (1,311) (6,107) (1,142) (7,249) Net change (1,311) — (1,311) (6,107) (1,142) (7,249) Other comprehensive income (loss) $ 12,669 $ (4,109) $ 8,560 $ (140,253) $ 38,315 $ (101,938) Six Months Ended June 30, 2024 2023 ($ in thousands) Before-Tax Tax Effect Net-of-Tax Before-Tax Tax Effect Net-of-Tax Debt securities: Net unrealized gains arising during the period $ 9,139 $ (2,648) $ 6,491 $ 921 $ (264) $ 657 Reclassification adjustments: Net realized (gains) losses on AFS debt securities reclassified into net income (1) (1,834) 542 (1,292) 10,000 (4) (2,956) 7,044 Amortization of unrealized losses on transferred securities (2) 7,661 (2,265) 5,396 7,919 (2,341) 5,578 Net change 14,966 (4,371) 10,595 18,840 (5,561) 13,279 Cash flow hedges: Net unrealized losses arising during the period (115,471) 34,131 (81,340) (66,614) 19,493 (47,121) Net realized losses reclassified into net income (3) 49,199 (14,542) 34,657 30,896 (9,049) 21,847 Net change (66,272) 19,589 (46,683) (35,718) 10,444 (25,274) Foreign currency translation adjustments, net of hedges: Net unrealized gains (losses) arising during the period 2,684 (173) 2,511 (3,481) (827) (4,308) Net change 2,684 (173) 2,511 (3,481) (827) (4,308) Other comprehensive loss $ (48,622) $ 15,045 $ (33,577) $ (20,359) $ 4,056 $ (16,303) (1) Pre-tax amounts were reported in Net gains (losses) on AFS debt securities on the Consolidated Statement of Income. (2) Represents unrealized losses amortized over the remaining lives of securities that were transferred from the AFS to HTM portfolio in 2022. (3) Pre-tax amounts related to cash flow hedges on variable rate loans and long-term borrowings, where applicable, were reported in Interest and dividend income and in Interest expense, respectively , on the Consolidated Statement of Income. In the first quarter of 2023, the pre-tax amount also included the terminated cash flow hedge where the forecasted cash flows were no longer probable to occur and was reported in Noninterest income on the Consolidated Statement of Income. (4) Represents the loss related to an AFS debt security that was written off in the first quarter of 2023.

Business Segments

Business Segments	6 Months Ended
	Jun. 30, 2024
Segment Reporting [Abstract]
Business Segments	Business Segments The Company organizes its operations into three reportable operating segments: (1) Consumer and Business Banking; (2) Commercial Banking; and (3) Other. These segments are defined by the type of customers served, and the related products and services provided. The segments reflect how financial information is currently evaluated by management. Operating segment results are based on the Company’s internal management reporting process, which reflects assignments and allocations of certain balance sheet and income statement items. The information presented is not indicative of how the segments would perform if they operated as independent entities. The Consumer and Business Banking segment primarily provides financial products and services to consumer and commercial customers through the Company’s domestic branch network and digital banking platforms. This segment offers consumer and commercial deposits, mortgage and home equity loans, and other products and services. It also originates commercial loans for small- and medium-sized enterprises through the Company’s branch network. Other products and services provided by this segment include wealth management, treasury management, interest rate risk hedging and foreign exchange services. The Commercial Banking segment primarily generates commercial loan and deposit products. Commercial loan products include CRE lending, construction financing, commercial business lending, working capital lines of credit, trade finance, letters of credit, affordable housing lending, asset-based lending, asset-backed finance, project finance and equipment financing. Commercial deposit products and other financial services include treasury management, foreign exchange services and interest rate and commodity risk hedging. The remaining centralized functions, including the corporate treasury activities of the Company and eliminations of inter-segment amounts, have been aggregated and included in the Other segment, which provides broad administrative support to the two core segments, namely the Consumer and Business Banking and the Commercial Banking segments. The Company utilizes an internal reporting process to measure the performance of the three operating segments within the Company. The internal reporting process derives operating segment results by utilizing allocation methodologies for revenues and expenses. Net interest income of each segment represents the difference between actual interest earned on assets and interest incurred on liabilities of the segment, adjusted for funding charges or credits through the Company’s internal funds transfer pricing (“FTP”) process. Noninterest income and noninterest expense directly attributable to a business segment are assigned to that segment. Indirect costs, including technology-related costs and corporate overhead, are allocated based on a segment’s estimated usage using factors including but not limited to, full-time equivalent employees, net interest income, and loan and deposit volume. Charge-offs are recorded to the segment directly associated with the respective loans charged off, and provision for credit losses is recorded to the segments based on the related loans for which allowances are evaluated. The Company’s internal reporting process utilizes a full-allocation methodology. Under this methodology, corporate and indirect expenses incurred by the Other segment are allocated to the Consumer and Business Banking and the Commercial Banking segments, except certain corporate treasury-related expenses and insignificant unallocated expenses. The corporate treasury function within the Other segment is responsible for the Company’s liquidity and interest rate management, and the internal FTP process. The FTP process is formulated with the goal of encouraging loan and deposit growth that is consistent with the Company’s overall profitability objectives, as well as providing a reasonable and consistent basis for the measurement of its business segments’ net interest margins and profitability. The FTP process charges a cost to fund loans (“FTP charges for loans”) and allocates credits for funds provided from deposits (“FTP credits for deposits”) using internal FTP rates. FTP charges for loans are determined based on a matched cost of funds, which is tied to the pricing and term characteristics of the loans. FTP credits for deposits are based on matched funding credit rates, which are tied to the implied or stated maturity of the deposits. FTP credits for deposits reflect the long-term value generated by the deposits. The net spread between the total internal FTP charges and credits is recorded as part of net interest income in the Other segment. The FTP process transfers the corporate interest rate risk exposure to the treasury function within the Other segment, where such exposures are centrally managed. The Company’s internal FTP assumptions and methodologies are reviewed at least annually to ensure that the process is reflective of current market conditions. The following tables present the operating results and other key financial measures for the individual operating segments as of and for the three and six months ended June 30, 2024 and 2023: ($ in thousands) Consumer and Business Banking Commercial Banking Other Total Three Months Ended June 30, 2024 Net interest income (loss) before provision for credit losses $ 293,292 $ 260,780 $ (843) $ 553,229 (Reversal of) provision for credit losses (3,245) 40,245 — 37,000 Noninterest income 26,769 50,720 7,184 84,673 Noninterest expense 108,124 92,064 36,246 236,434 Segment income (loss) before income taxes 215,182 179,191 (29,905) 364,468 Segment net income $ 151,578 $ 126,441 $ 10,211 $ 288,230 As of June 30, 2024 Segment assets $ 19,909,978 $ 35,510,954 $ 17,047,340 $ 72,468,272 ($ in thousands) Consumer and Business Banking Commercial Banking Other Total Three Months Ended June 30, 2023 Net interest income (loss) before provision for credit losses $ 307,522 $ 263,040 $ (3,816) $ 566,746 Provision for credit losses 5,524 20,476 — 26,000 Noninterest income 27,120 42,538 8,973 78,631 Noninterest expense 107,027 88,333 66,429 261,789 Segment income (loss) before income taxes 222,091 196,769 (61,272) 357,588 Segment net income $ 156,853 $ 139,030 $ 16,148 $ 312,031 As of June 30, 2023 Segment assets $ 18,411,209 $ 33,754,957 $ 16,366,515 $ 68,532,681 ($ in thousands) Consumer and Business Banking Commercial Banking Other Total Six Months Ended June 30, 2024 Net interest income before provision for credit losses $ 585,056 $ 521,129 $ 12,183 $ 1,118,368 (Reversal of) provision for credit losses (680) 62,680 — 62,000 Noninterest income 52,311 97,186 14,164 163,661 Noninterest expense 227,424 198,371 57,514 483,309 Segment income (loss) before income taxes 410,623 357,264 (31,167) 736,720 Segment net income $ 289,250 $ 252,022 $ 32,033 $ 573,305 As of June 30, 2024 Segment assets $ 19,909,978 $ 35,510,954 $ 17,047,340 $ 72,468,272 ($ in thousands) Consumer and Business Banking Commercial Banking Other Total Six Months Ended June 30, 2023 Net interest income before reversal of credit losses $ 611,764 $ 499,763 $ 55,080 $ 1,166,607 Provision for credit losses 20,536 25,464 — 46,000 Noninterest income (loss) 53,122 86,137 (650) 138,609 Noninterest expense 220,850 175,581 83,805 480,236 Segment income (loss) before income taxes 423,500 384,855 (29,375) 778,980 Segment net income $ 299,100 $ 273,487 $ 61,883 $ 634,470 As of June 30, 2023 Segment assets $ 18,411,209 $ 33,754,957 $ 16,366,515 $ 68,532,681

Pay vs Performance Disclosure

Pay vs Performance Disclosure - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Pay vs Performance Disclosure
Net income	$ 288,230	$ 312,031	$ 573,305	$ 634,470

Insider Trading Arrangements

Insider Trading Arrangements	3 Months Ended
	Jun. 30, 2024
Trading Arrangements, by Individual
Rule 10b5-1 Arrangement Adopted	false
Non-Rule 10b5-1 Arrangement Adopted	false
Rule 10b5-1 Arrangement Terminated	false
Non-Rule 10b5-1 Arrangement Terminated	false

Current Accounting Developmen_2

Current Accounting Developments and Summary of Significant Accounting Policies (Policies)	6 Months Ended
	Jun. 30, 2024
Accounting Policies [Abstract]
Consolidation	East West Bancorp, Inc. is a registered bank holding company that offers a full range of banking services to individuals and businesses through its subsidiary bank, East West Bank and its subsidiaries (“East West Bank” or the “Bank”). The unaudited interim Consolidated Financial Statements in this Quarterly Report on Form 10-Q (this “Form 10-Q”) include the accounts of East West, East West Bank and East West’s subsidiaries. Consolidation , the Trust is not included on the Consolidated Financial Statements.
Basis of Presentation	The unaudited interim Consolidated Financial Statements are presented in accordance with U.S. Generally Accepted Accounting Principles (“GAAP”), applicable guidelines prescribed by regulatory authorities and general practices in the banking industry. While the unaudited interim Consolidated Financial Statements reflect all adjustments that, in the opinion of management, are necessary for fair presentation, they primarily serve to update the Company’s 2023 Form 10-K, and may not include all the information and notes necessary to constitute a complete set of financial statements. Accordingly, they should be read in conjunction with the audited Consolidated Financial Statements and notes thereto included in the Company’s 2023 Form 10-K.
Accounting Pronouncements	Accounting Pronouncements Adopted in 2024 Standard Required Date of Adoption Description Effect on Financial Statements ASU 2023-02, Investments — Equity Method and Joint Ventures (Topic 323): Accounting for Investments in Tax Credit Structures Using the Proportional Amortization Method January 1, 2024 ASU 2023-02 expands the scope of the proportional amortization method (“PAM”) to equity tax credit investment programs if certain conditions are met. Previously, PAM could only be used for investments in low-income housing tax credit structures. Under this guidance, companies are able to elect, on a tax credit program-by-tax credit program basis, to apply PAM to all equity investments meeting the criteria in ASC 323-740-25-1. The amendments in this guidance must be applied on a modified retrospective or a retrospective basis. The Company adopted ASU 2023-02 on January 1, 2024, for all tax credit investments under a modified retrospective basis. The impact of the adoption decreased opening retained earnings on January 1, 2024 by $9 million.
Income Taxes	Income Taxes — The Company has elected to apply PAM to qualifying affordable housing partnership, new markets, historic, production and renewable energy tax credit investments. Under PAM, the Company amortizes the initial cost of the investment in proportion to the income tax credits and other income tax benefits received, and recognizes the amortization in Income tax expense on the Consolidated Statement of Income.
Balance Sheet Offsetting	The Company’s resale and repurchase agreements are transacted under legally enforceable master netting agreements that, in the event of default by the counterparty, provide the Company the right to liquidate securities held and to offset receivables and payables with the same counterparty. The Company nets resale and repurchase transactions with the same counterparty on the Consolidated Balance Sheet when it has a legally enforceable master netting agreement and the transactions are eligible for netting under ASC 210-20-45-11, Balance Sheet Offsetting Repurchase and Reverse Repurchase Agreements
Credit Quality Indicators	Credit Quality Indicators All loans are subject to the Company’s credit review and monitoring process. For the commercial loan portfolio, loans are risk rated based on an analysis of the borrower’s current payment performance or delinquency, repayment sources, financial and liquidity factors, including industry and geographic considerations. For the consumer loan portfolio, payment performance or delinquency is typically the driving indicator for risk ratings. The Company utilizes internal credit risk ratings to assign each individual loan a risk rating of 1 through 10: • Pass — loans risk rated 1 through 5 are assigned an internal risk rating category of “Pass.” Loans risk rated 1 are typically loans fully secured by cash. Pass loans have sufficient sources of repayment to repay the loan in full, in accordance with all terms and conditions. • Special mention — loans assigned a risk rating of 6 have potential weaknesses that warrant closer attention by management; these are assigned an internal risk rating category of “Special Mention.” • Substandard — loans assigned a risk rating of 7 or 8 have well-defined weaknesses that may jeopardize the full and timely repayment of the loan; these are assigned an internal risk rating category of “Substandard.” • Doubtful — loans assigned a risk rating of 9 have insufficient sources of repayment and a high probability of loss; these are assigned an internal risk rating category of “Doubtful.” • Loss — loans assigned a risk rating of 10 are uncollectible and of such little value that they are no longer considered bankable assets; these are assigned an internal risk rating category of “Loss.” Loan exposures categorized as criticized consist of special mention, substandard, doubtful and loss categories. The Company reviews the internal risk ratings of its loan portfolio on a regular basis, and adjusts the ratings based on changes in the borrowers’ financial status and the collectability of the loans.
Allowance for Credit Losses	Allowance for Credit Losses The Company has a current expected credit losses framework for all financial assets measured at amortized cost and certain off-balance sheet credit exposures. The Company’s allowance for credit losses, which includes both the allowance for loan losses and the allowance for unfunded credit commitments, is calculated with the objective of maintaining a reserve sufficient to absorb losses inherent in our credit portfolios. The measurement of the allowance for credit losses is based on management’s best estimate of lifetime expected credit losses, periodic evaluation of the loan portfolio, lending-related commitments and other relevant factors. The allowance for credit losses is deducted from the amortized cost basis of a financial asset or a group of financial assets so that the balance sheet reflects the net amount the Company expects to collect. Amortized cost is the principal balance outstanding, net of purchase premiums and discounts, deferred fees and costs, and escrow advances. Subsequent changes in expected credit losses are recognized in net income as a provision for, or a reversal of, credit loss expense. The allowance for credit losses estimation involves procedures to consider the unique risk characteristics of the portfolio segments. The majority of the Company’s credit exposures that share risk characteristics with other similar exposures are collectively evaluated. The collectively evaluated loans include performing loans and unfunded credit commitments. If an exposure does not share risk characteristics with other exposures, the Company generally estimates expected credit losses on an individual basis. Allowance for Collectively Evaluated Loans The allowance for collectively evaluated loans consists of a quantitative component that assesses the different risk factors considered in our models and a qualitative component that considers risk factors external to the models. Each of these components are described below. Quantitative Component — The Company applies quantitative methods to estimate loan losses by considering a variety of factors such as historical loss experience, the current credit quality of the portfolio, and an economic outlook over the life of the loan. The Company incorporates forward-looking information using macroeconomic scenarios which include variables that are considered key drivers of increases and decreases in credit losses. The Company utilizes a probability-weighted, multiple-scenario forecast approach. These scenarios may consist of a base forecast representing management's view of the most likely outcome, combined with downside or upside scenarios reflecting possible worsening or improving economic conditions. The quantitative models incorporate a probability-weighted calculation of these macroeconomic scenarios over a reasonable and supportable forecast period. If the life of the loans extends beyond the reasonable and supportable forecast period, the Company will consider historical experience or long-run macroeconomic trends over the remaining life of the loans to estimate the allowance for loan losses. There were no changes to the reasonable and supportable forecast period, except to the C&I segment, and no changes to the reversion to the historical loss experience method for the three and six months ended June 30, 2024 and 2023. The reasonable and supportable forecast period for the C&I segment changed from 11 quarters to eight quarters due to model redevelopment during the third quarter of 2023. The following table provides key credit risk characteristics and macroeconomic variables that the Company uses to estimate the expected credit losses by portfolio segment: Portfolio Segment Risk Characteristics Macroeconomic Variables C&I Age percentage, size at origination, delinquency status, sector and risk rating Unemployment rate, Gross Domestic Product (“GDP”), and U.S. Treasury rates (1) CRE, Multifamily residential, and Construction and land Delinquency status, maturity date, collateral value, property type, and geographic location Unemployment rate, GDP, and U.S. Treasury rates Single-family residential and HELOCs FICO score, delinquency status, maturity date, collateral value, and geographic location Unemployment rate, GDP, and Home Price Indices Other consumer Loss rate approach Immaterial (2) (1) Macroeconomic variables were updated due to model redevelopment. (2) Macroeconomic variables are included in the qualitative estimate. Quantitative Component — Allowance for Loan Losses for the Commercial Loan Portfolio The Company’s C&I lifetime loss rate model estimates the loss rate expected over the life of a loan. This loss rate is applied to the amortized cost basis, excluding accrued interest receivable, to determine expected credit losses. The lifetime loss rate model’s reasonable and supportable period spans eight quarters, thereafter, immediately reverting to the historical average loss rate, expressed through the loan-level lifetime loss rate. To generate estimates of expected loss at the loan level for CRE, multifamily residential, and construction and land loans, projected probabilities of default (“PDs”) and loss given defaults (“LGDs”) are applied to the estimated exposure at default, considering the term and payment structure of the loan. The forecast of future economic conditions returns to long-run historical economic trends within the reasonable and supportable period. To estimate the life of a loan under both models, the contractual term of the loan is adjusted for estimated prepayments based on historical prepayment experience. Quantitative Component — Allowance for Loan Losses for the Consumer Loan Portfolio For single-family residential and HELOC loans, projected PDs and LGDs are applied to the estimated exposure at default, considering the term and payment structure of the loan, to generate estimates of expected loss at the loan level. The forecast of future economic conditions returns to long-run historical economic trends after the reasonable and supportable period. To estimate the life of a loan for the single-family residential and HELOC loan portfolios, the contractual term of the loan is adjusted for estimated prepayments based on historical prepayment experience. For other consumer loans, the Company uses a loss rate approach. Qualitative Component — The Company considers the following qualitative factors in the determination of the collectively evaluated allowance if these factors have not already been captured by the quantitative model. Such qualitative factors may include, but are not limited to: • loan growth trends; • the volume and severity of past due financial assets, and criticized or adversely classified financial assets; • the Company’s lending policies and procedures, including changes in lending strategies, underwriting standards, collection, write-off and recovery practices; • knowledge of a borrower’s operations; • the quality of the Company’s credit review system; • the experience, ability and depth of the Company’s management and associates; • the effect of other external factors such as the regulatory and legal environments, or changes in technology; • actual and expected changes in international, national, regional, and local economic and business conditions in which the Company operates; and • risk factors in certain industry sectors not captured by the quantitative models. The magnitude of the impact of these factors on the Company’s qualitative assessment of the allowance for credit losses changes from period to period according to changes made by management in its assessment of these factors. The extent to which these factors change may be dependent on whether they are already reflected in quantitative loss estimates during the current period and the extent to which changes in these factors diverge from period to period. While the Company’s allowance methodologies strive to reflect all relevant credit risk factors, there continues to be uncertainty associated with, but not limited to, potential imprecision in the estimation process due to the inherent time lag of obtaining information and normal variations between expected and actual outcomes. The Company may hold additional qualitative reserves that are designed to provide coverage for losses attributable to such risk. Allowance for Individually Evaluated Loans When a loan no longer shares similar risk characteristics with other loans, such as in the case of certain nonaccrual loans, the Company estimates the allowance for loan losses on an individual loan basis. The allowance for loan losses for individually evaluated loans is measured as the difference between the recorded value of the loans and their fair value. For loans evaluated individually, the Company uses one of three different asset valuation measurement methods: (1) the fair value of collateral less costs to sell; (2) the present value of expected future cash flows; or (3) the loan's observable market price. If an individually evaluated loan is determined to be collateral dependent, the Company applies the fair value of the collateral less costs to sell method. If an individually evaluated loan is determined not to be collateral dependent, the Company uses the present value of future cash flows or the observable market value of the loan. • Collateral-Dependent Loans —
Goodwill	The Company’s goodwill impairment test is performed annually, as of December 31, or more frequently as events occur or circumstances change that would more-likely-than-not reduce the fair value of a reporting unit below its carrying value.
Litigation	Litigation — The Company is a party to various legal actions arising in the ordinary course of its business. In accordance with ASC 450, Contingencies,

Current Accounting Developmen_3

Current Accounting Developments and Summary of Significant Accounting Policies (Tables)	6 Months Ended
	Jun. 30, 2024
Accounting Policies [Abstract]
Schedule of New Accounting Pronouncements Adopted and Recent Accounting Pronouncements	Accounting Pronouncements Adopted in 2024 Standard Required Date of Adoption Description Effect on Financial Statements ASU 2023-02, Investments — Equity Method and Joint Ventures (Topic 323): Accounting for Investments in Tax Credit Structures Using the Proportional Amortization Method January 1, 2024 ASU 2023-02 expands the scope of the proportional amortization method (“PAM”) to equity tax credit investment programs if certain conditions are met. Previously, PAM could only be used for investments in low-income housing tax credit structures. Under this guidance, companies are able to elect, on a tax credit program-by-tax credit program basis, to apply PAM to all equity investments meeting the criteria in ASC 323-740-25-1. The amendments in this guidance must be applied on a modified retrospective or a retrospective basis. The Company adopted ASU 2023-02 on January 1, 2024, for all tax credit investments under a modified retrospective basis. The impact of the adoption decreased opening retained earnings on January 1, 2024 by $9 million.

Fair Value Measurement and Fa_2

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 ($ in thousands) Level 1 Level 2 Level 3 Total 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 ($ in thousands) Level 1 Level 2 Level 3 Total 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 — 1 — 1 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 $1.2 billion of fair value as of June 30, 2024 and December 31, 2023, respectively. (2) Represents the Visa C shares recognized at fair value in O ther assets on the Consolidated Balance Sheet and recorded gain in Other investment income on the Consolidated Statement of Income. See Note 3 — Fair Value Measurement and Fair Value of Financial Instruments to the Consolidated Financial Statements in this Form 10-Q for additional information. (3) Represents the balance sheet netting of derivative assets and liabilities and related cash collateral under master netting agreements or similar agreements. See Note 6 — Derivatives to the Consolidated Financial Statements in this Form 10-Q for additional information. (4) Equity contracts classified as derivative liabilities consist of performance-based RSUs granted as part of EWBC’s consideration in its investment in Rayliant.
Schedule Of Reconciliation Of The Beginning And Ending Balances Of Equity Contracts Measured At Fair Value On a Recurring Basis Using Significant Unobservable Inputs (Level 3)	The following table provides a reconciliation of the beginning and ending balances of these equity contracts for the three and six months ended June 30, 2024 and 2023: Three Months Ended June 30, Six Months Ended June 30, ($ in thousands) 2024 2023 2024 2023 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 Technique Unobservable Inputs Range 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 discount 47% 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 discount 47% 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 Techniques Unobservable Inputs Range of Inputs Weighted-Average of Inputs June 30, 2024 Loans held-for-investment $ 7,219 Fair value of collateral Discount 20% — 50% 24% (1) $ 13,793 Fair value of collateral Contract value NM NM $ 52,070 Fair value of property Selling cost 8% — 20% 10% (1) OREO $ 8,565 Fair value of property Selling cost 8% 8% December 31, 2023 Loans held-for-investment $ 16,328 Fair value of collateral Discount 15% — 75% 45% (1) $ 3,009 Fair value of collateral Contract value NM NM $ 26,555 Fair value of property Selling cost 8% 8% Affordable housing partnership, tax credit and CRA investments, net $ 868 Individual analysis of each investment Expected future tax benefits and distributions NM NM 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 ($ 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 ($ 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) 2024 2023 2024 2023 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 Amount Level 1 Level 2 Level 3 Estimated 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 Amount Level 1 Level 2 Level 3 Estimated 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

Securities Purchased under Re_2

Securities Purchased under Resale Agreements (Tables)	6 Months Ended
	Jun. 30, 2024
RESALE AND REPURCHASE AGREEMENTS [Abstract]
Schedule Of Balance Sheet Offsetting For Resale Agreements	The following table presents the resale agreements included on the Consolidated Balance Sheet as of June 30, 2024 and December 31, 2023: Gross Amounts of Recognized Assets Gross Amounts Offset on the Consolidated Balance Sheet Net Amounts of Assets Presented on the Consolidated Balance Sheet Gross Amounts Not Offset on the Consolidated Balance Sheet ($ in thousands) Collateral Received (1) Net Amount Resale agreements as of June 30, 2024 $ 485,000 $ — $ 485,000 $ (402,645) $ 82,355 Resale agreements as of December 31, 2023 $ 785,000 $ — $ 785,000 $ (715,358) $ 69,642 (1) Represents the fair value of assets the Company has received under resale agreements, limited for table presentation purposes to the amount of the recognized asset due from each counterparty. The application of collateral cannot reduce the net position below zero. Therefore, excess collateral, if any, is not reflected above.

Securities (Tables)

Securities (Tables)	6 Months Ended
	Jun. 30, 2024
Investments, Debt and Equity Securities [Abstract]
Schedule of Debt Securities, Available-for-Sale	The following tables present the amortized cost, gross unrealized gains and losses and fair value by major categories of AFS and HTM debt securities as of June 30, 2024 and December 31, 2023: June 30, 2024 ($ in thousands) Amortized Cost (1) Gross Unrealized Gains Gross Unrealized Losses Fair Value AFS debt securities: U.S. Treasury securities $ 676,291 $ — $ (52,534) $ 623,757 U.S. government agency and U.S. government-sponsored enterprise debt securities 309,956 — (49,568) 260,388 U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities (2) : Commercial mortgage-backed securities 498,281 113 (53,547) 444,847 Residential mortgage-backed securities 5,956,800 3,109 (241,091) 5,718,818 Municipal securities 295,437 34 (38,908) 256,563 Non-agency mortgage-backed securities: Commercial mortgage-backed securities 360,613 — (39,976) 320,637 Residential mortgage-backed securities 564,414 — (89,796) 474,618 Corporate debt securities 653,501 — (146,371) 507,130 Foreign government bonds 245,523 1,101 (12,900) 233,724 Asset-backed securities 39,061 — (468) 38,593 CLOs 44,500 — (47) 44,453 Total AFS debt securities 9,644,377 4,357 (725,206) 8,923,528 HTM debt securities: U.S. Treasury securities 532,294 — (44,587) 487,707 U.S. government agency and U.S. government-sponsored enterprise debt securities 1,003,094 — (200,199) 802,895 U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities (3) : Commercial mortgage-backed securities 490,502 — (90,358) 400,144 Residential mortgage-backed securities 724,039 — (151,928) 572,111 Municipal securities 188,321 — (45,951) 142,370 Total HTM debt securities 2,938,250 — (533,023) 2,405,227 Total debt securities $ 12,582,627 $ 4,357 $ (1,258,229) $ 11,328,755 December 31, 2023 ($ in thousands) Amortized Cost (1) Gross Unrealized Gains Gross Unrealized Losses Fair Value AFS debt securities: U.S. Treasury securities $ 1,112,587 $ 101 $ (52,313) $ 1,060,375 U.S. government agency and U.S. government-sponsored enterprise debt securities 412,086 — (47,640) 364,446 U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities (2) : Commercial mortgage-backed securities 531,377 158 (63,276) 468,259 Residential mortgage-backed securities 1,956,927 380 (229,713) 1,727,594 Municipal securities 297,283 75 (36,342) 261,016 Non-agency mortgage-backed securities: Commercial mortgage-backed securities 409,578 — (42,062) 367,516 Residential mortgage-backed securities 643,335 — (89,664) 553,671 Corporate debt securities 653,501 — (151,076) 502,425 Foreign government bonds 239,333 69 (11,528) 227,874 Asset-backed securities 43,234 — (934) 42,300 CLOs 617,250 — (4,389) 612,861 Total AFS debt securities 6,916,491 783 (728,937) 6,188,337 HTM debt securities: U.S. Treasury securities 529,548 — (40,997) 488,551 U.S. government agency and U.S. government-sponsored enterprise debt securities 1,001,836 — (186,904) 814,932 U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities (3) : Commercial mortgage-backed securities 493,348 — (88,968) 404,380 Residential mortgage-backed securities 742,436 — (142,119) 600,317 Municipal securities 188,872 — (43,081) 145,791 Total HTM debt securities 2,956,040 — (502,069) 2,453,971 Total debt securities $ 9,872,531 $ 783 $ (1,231,006) $ 8,642,308 (1) Amortized cost excludes accrued interest receivables which are presented within Other assets on the Consolidated Balance Sheet. As of both June 30, 2024 and December 31, 2023, the accrued interest receivables were $44 million. For the Company’s accounting policy related to debt securities’ accrued interest receivables, see Note 1 — Summary of Significant Accounting Policies — Significant Accounting Policies — Allowance for Credit Losses on Available-for-Sale Debt Securities and Allowance for Credit Losses on Held-to-Maturity Debt Securities to the Consolidated Financial Statements in the Company’s 2023 Form 10-K. (2) Includes GNMA AFS debt securities totaling $5.2 billion of both amortized cost and fair value as of June 30, 2024, and $1.3 billion of amortized cost and $1.2 billion of fair value as of December 31, 2023. (3) Includes GNMA HTM debt securities totaling $89 million of amortized cost and $71 million of fair value as of June 30, 2024, and $92 million of amortized cost and $75 million of fair value of as of December 31, 2023.
Schedule of Debt Securities, Held-to-Maturity	The following tables present the amortized cost, gross unrealized gains and losses and fair value by major categories of AFS and HTM debt securities as of June 30, 2024 and December 31, 2023: June 30, 2024 ($ in thousands) Amortized Cost (1) Gross Unrealized Gains Gross Unrealized Losses Fair Value AFS debt securities: U.S. Treasury securities $ 676,291 $ — $ (52,534) $ 623,757 U.S. government agency and U.S. government-sponsored enterprise debt securities 309,956 — (49,568) 260,388 U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities (2) : Commercial mortgage-backed securities 498,281 113 (53,547) 444,847 Residential mortgage-backed securities 5,956,800 3,109 (241,091) 5,718,818 Municipal securities 295,437 34 (38,908) 256,563 Non-agency mortgage-backed securities: Commercial mortgage-backed securities 360,613 — (39,976) 320,637 Residential mortgage-backed securities 564,414 — (89,796) 474,618 Corporate debt securities 653,501 — (146,371) 507,130 Foreign government bonds 245,523 1,101 (12,900) 233,724 Asset-backed securities 39,061 — (468) 38,593 CLOs 44,500 — (47) 44,453 Total AFS debt securities 9,644,377 4,357 (725,206) 8,923,528 HTM debt securities: U.S. Treasury securities 532,294 — (44,587) 487,707 U.S. government agency and U.S. government-sponsored enterprise debt securities 1,003,094 — (200,199) 802,895 U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities (3) : Commercial mortgage-backed securities 490,502 — (90,358) 400,144 Residential mortgage-backed securities 724,039 — (151,928) 572,111 Municipal securities 188,321 — (45,951) 142,370 Total HTM debt securities 2,938,250 — (533,023) 2,405,227 Total debt securities $ 12,582,627 $ 4,357 $ (1,258,229) $ 11,328,755 December 31, 2023 ($ in thousands) Amortized Cost (1) Gross Unrealized Gains Gross Unrealized Losses Fair Value AFS debt securities: U.S. Treasury securities $ 1,112,587 $ 101 $ (52,313) $ 1,060,375 U.S. government agency and U.S. government-sponsored enterprise debt securities 412,086 — (47,640) 364,446 U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities (2) : Commercial mortgage-backed securities 531,377 158 (63,276) 468,259 Residential mortgage-backed securities 1,956,927 380 (229,713) 1,727,594 Municipal securities 297,283 75 (36,342) 261,016 Non-agency mortgage-backed securities: Commercial mortgage-backed securities 409,578 — (42,062) 367,516 Residential mortgage-backed securities 643,335 — (89,664) 553,671 Corporate debt securities 653,501 — (151,076) 502,425 Foreign government bonds 239,333 69 (11,528) 227,874 Asset-backed securities 43,234 — (934) 42,300 CLOs 617,250 — (4,389) 612,861 Total AFS debt securities 6,916,491 783 (728,937) 6,188,337 HTM debt securities: U.S. Treasury securities 529,548 — (40,997) 488,551 U.S. government agency and U.S. government-sponsored enterprise debt securities 1,001,836 — (186,904) 814,932 U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities (3) : Commercial mortgage-backed securities 493,348 — (88,968) 404,380 Residential mortgage-backed securities 742,436 — (142,119) 600,317 Municipal securities 188,872 — (43,081) 145,791 Total HTM debt securities 2,956,040 — (502,069) 2,453,971 Total debt securities $ 9,872,531 $ 783 $ (1,231,006) $ 8,642,308 (1) Amortized cost excludes accrued interest receivables which are presented within Other assets on the Consolidated Balance Sheet. As of both June 30, 2024 and December 31, 2023, the accrued interest receivables were $44 million. For the Company’s accounting policy related to debt securities’ accrued interest receivables, see Note 1 — Summary of Significant Accounting Policies — Significant Accounting Policies — Allowance for Credit Losses on Available-for-Sale Debt Securities and Allowance for Credit Losses on Held-to-Maturity Debt Securities to the Consolidated Financial Statements in the Company’s 2023 Form 10-K. (2) Includes GNMA AFS debt securities totaling $5.2 billion of both amortized cost and fair value as of June 30, 2024, and $1.3 billion of amortized cost and $1.2 billion of fair value as of December 31, 2023. (3) Includes GNMA HTM debt securities totaling $89 million of amortized cost and $71 million of fair value as of June 30, 2024, and $92 million of amortized cost and $75 million of fair value of as of December 31, 2023.
Schedule of Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value	The following tables present the fair value and the associated gross unrealized losses of the Company’s AFS debt securities, aggregated by investment category and the length of time that the securities have been in a continuous unrealized loss position as of June 30, 2024 and December 31, 2023. June 30, 2024 Less Than 12 Months 12 Months or More Total ($ in thousands) Fair Value Gross Unrealized Losses Fair Value Gross Unrealized Losses Fair Value Gross Unrealized Losses AFS debt securities: U.S. Treasury securities $ — $ — $ 623,757 $ (52,534) $ 623,757 $ (52,534) U.S. government agency and U.S. government sponsored enterprise debt securities — — 260,388 (49,568) 260,388 (49,568) U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities: Commercial mortgage-backed securities — — 440,214 (53,547) 440,214 (53,547) Residential mortgage-backed securities 2,778,124 (5,016) 1,570,970 (236,075) 4,349,094 (241,091) Municipal securities 3,337 (32) 250,949 (38,876) 254,286 (38,908) Non-agency mortgage-backed securities: Commercial mortgage-backed securities — — 320,637 (39,976) 320,637 (39,976) Residential mortgage-backed securities — — 474,618 (89,796) 474,618 (89,796) Corporate debt securities — — 507,130 (146,371) 507,130 (146,371) Foreign government bonds 18,768 (66) 87,166 (12,834) 105,934 (12,900) Asset-backed securities — — 38,593 (468) 38,593 (468) CLOs — — 44,453 (47) 44,453 (47) Total AFS debt securities $ 2,800,229 $ (5,114) $ 4,618,875 $ (720,092) $ 7,419,104 $ (725,206) December 31, 2023 Less Than 12 Months 12 Months or More Total ($ in thousands) Fair Value Gross Unrealized Losses Fair Value Gross Unrealized Losses Fair Value Gross Unrealized Losses AFS debt securities: U.S. Treasury securities $ — $ — $ 623,978 $ (52,313) $ 623,978 $ (52,313) U.S. government agency and U.S. government-sponsored enterprise debt securities — — 364,446 (47,640) 364,446 (47,640) U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities: Commercial mortgage-backed securities — — 463,572 (63,276) 463,572 (63,276) Residential mortgage-backed securities 9,402 (558) 1,661,112 (229,155) 1,670,514 (229,713) Municipal securities 2,825 (15) 254,773 (36,327) 257,598 (36,342) Non-agency mortgage-backed securities: Commercial mortgage-backed securities 2,742 (4) 364,774 (42,058) 367,516 (42,062) Residential mortgage-backed securities — — 553,671 (89,664) 553,671 (89,664) Corporate debt securities — — 502,425 (151,076) 502,425 (151,076) Foreign government bonds 110,955 (144) 88,616 (11,384) 199,571 (11,528) Asset-backed securities — — 42,300 (934) 42,300 (934) CLOs — — 612,861 (4,389) 612,861 (4,389) Total AFS debt securities $ 125,924 $ (721) $ 5,532,528 $ (728,216) $ 5,658,452 $ (728,937)
Schedule of the Gross Realized Gains and Tax Expense, Available-for-Sale	The following table presents the gross realized gains from the sales and impairment write-off of AFS debt securities and the related tax expense (benefit) included in earnings for the three and six months ended June 30, 2024 and 2023: Three Months Ended June 30, Six Months Ended June 30, ($ in thousands) 2024 2023 2024 2023 Gross realized gains from sales $ 1,785 $ — $ 1,834 $ — Impairment write-off (1) $ — $ — $ — $ (10,000) Related tax expense (benefit) $ 528 $ — $ 542 $ (2,956) (1) During the first quarter of 2023, the Company recognized a $10 million impairment write-off on a subordinated debt security as a component of noninterest income in the Company’s Consolidated Statement of Income.
Schedule of Composition of Interest Income on Debt Securities	The following table presents the composition of interest income on debt securities for the three and six months ended June 30, 2024 and 2023: Three Months Ended June 30, Six Months Ended June 30, ($ in thousands) 2024 2023 2024 2023 Taxable interest $ 106,690 $ 64,139 $ 177,018 $ 125,188 Nontaxable interest 5,042 4,831 10,106 9,713 Total interest income on debt securities $ 111,732 $ 68,970 $ 187,124 $ 134,901
Schedule Of Contractual Maturities And Weighted Average Yields Of AFS And HTM Debt Securities	The following tables present the contractual maturities, amortized cost, fair value and weighted-average yields of AFS and HTM debt securities as of June 30, 2024. Expected maturities will differ from contractual maturities on certain securities as the issuers and borrowers of the underlying collateral may have the right to call or prepay obligations with or without prepayment penalties. ($ in thousands) Within One Year After One Year through Five Years After Five Years through Ten Years After Ten Years Total AFS debt securities: U.S. Treasury securities Amortized cost $ 34,929 $ 641,362 $ — $ — $ 676,291 Fair value 34,182 589,575 — — 623,757 Weighted-average yield (1) 1.83 % 1.17 % — % — % 1.21 % U.S. government agency and U.S. government-sponsored enterprise debt securities Amortized cost 1,238 44,158 127,831 136,729 309,956 Fair value 1,208 41,133 107,143 110,904 260,388 Weighted-average yield (1) 2.52 % 1.07 % 1.59 % 2.33 % 1.85 % U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities Amortized cost 3,565 41,983 126,229 6,283,304 6,455,081 Fair value 3,483 39,915 116,502 6,003,765 6,163,665 Weighted-average yield (1) (2) 2.74 % 2.98 % 2.82 % 5.46 % 5.39 % Municipal securities Amortized cost 3,605 33,531 9,619 248,682 295,437 Fair value 3,543 31,354 8,793 212,873 256,563 Weighted-average yield (1) (2) 2.43 % 2.29 % 3.22 % 2.23 % 2.27 % Non-agency mortgage-backed securities Amortized cost 75,391 20,848 — 828,788 925,027 Fair value 74,622 20,385 — 700,248 795,255 Weighted-average yield (1) 6.89 % 4.00 % — % 2.50 % 2.89 % Corporate debt securities Amortized cost — — 349,501 304,000 653,501 Fair value — — 297,135 209,995 507,130 Weighted-average yield (1) — % — % 3.50 % 1.97 % 2.79 % Foreign government bonds Amortized cost 18,834 126,689 50,000 50,000 245,523 Fair value 18,768 127,790 49,782 37,384 233,724 Weighted-average yield (1) 3.61 % 2.22 % 5.72 % 1.50 % 2.89 % Asset-backed securities Amortized cost — — — 39,061 39,061 Fair value — — — 38,593 38,593 Weighted-average yield (1) — % — % — % 6.06 % 6.06 % CLOs Amortized cost — — 44,500 — 44,500 Fair value — — 44,453 — 44,453 Weighted-average yield (1) — % — % 6.79 % — % 6.79 % Total AFS debt securities Amortized cost $ 137,562 $ 908,571 $ 707,680 $ 7,890,564 $ 9,644,377 Fair value $ 135,806 $ 850,152 $ 623,808 $ 7,313,762 $ 8,923,528 Weighted-average yield (1) 4.89 % 1.50 % 3.39 % 4.84 % 4.42 % ($ in thousands) Within One Year After One Year through Five Years After Five Years through Ten Years After Ten Years Total HTM debt securities: U.S. Treasury securities Amortized cost $ — $ 532,294 $ — $ — $ 532,294 Fair value — 487,707 — — 487,707 Weighted-average yield (1) — % 1.05 % — % — % 1.05 % U.S. government agency and U.S. government-sponsored enterprise debt securities Amortized cost — — 367,841 635,253 1,003,094 Fair value — — 311,312 491,583 802,895 Weighted-average yield (1) — % — % 1.89 % 1.90 % 1.90 % U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities Amortized cost — 4,777 94,499 1,115,265 1,214,541 Fair value — 4,339 79,701 888,215 972,255 Weighted-average yield (1) (2) — % 1.41 % 1.61 % 1.70 % 1.69 % Municipal securities Amortized cost — — — 188,321 188,321 Fair value — — — 142,370 142,370 Weighted-average yield (1) (2) — % — % — % 2.00 % 2.00 % Total HTM debt securities Amortized cost $ — $ 537,071 $ 462,340 $ 1,938,839 $ 2,938,250 Fair value $ — $ 492,046 $ 391,013 $ 1,522,168 $ 2,405,227 Weighted-average yield (1) — % 1.05 % 1.83 % 1.79 % 1.66 % (1) Weighted-average yields are computed based on amortized cost balances. (2) Yields on tax-exempt securities are not presented on a tax-equivalent basis.
Schedule Of Restricted Equity Securities	The following table presents the restricted equity securities included in Other assets on the Consolidated Balance Sheet as of June 30, 2024 and December 31, 2023: ($ in thousands) June 30, 2024 December 31, 2023 Federal Reserve Bank of San Francisco (“FRBSF”) stock $ 63,248 $ 62,561 FHLB stock 101,916 17,250 Total restricted equity securities $ 165,164 $ 79,811

Derivatives (Tables)

Derivatives (Tables)	6 Months Ended
	Jun. 30, 2024
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Schedule Of Notional And Gross Fair Values Of Derivatives	The following table presents the notional amounts and fair values of the Company’s derivatives as of June 30, 2024 and December 31, 2023. Certain derivative contracts are cleared though central clearing organizations where variation margin is applied daily as settlement to the fair values of the contracts. The fair values are presented on a gross basis prior to the application of bilateral collateral and master netting agreements, but after the application of variation margin payments as settlement to fair values of contracts cleared through central clearing organizations. Applying variation margin payments as settlement to the fair values of derivative contracts cleared through the London Clearing House (“LCH”) and the Chicago Mercantile Exchange (“CME”) resulted in reductions in the derivative asset and liability fair values by $28 million and $37 million, respectively, as of June 30, 2024. In comparison, applying variation margin payments as settlement to LCH- and CME-cleared derivative transactions resulted in reductions in both the derivative asset and liability fair values by $43 million as of December 31, 2023. Total derivative asset and liability fair values are adjusted to reflect the effects of legally enforceable master netting agreements and cash collateral received or paid. The resulting net derivative asset and liability fair values are included in Other assets and Accrued expenses and other liabilities , respectively, on the Consolidated Balance Sheet. June 30, 2024 December 31, 2023 Fair Value Fair Value ($ in thousands) Notional Amount Assets Liabilities Notional Amount Assets Liabilities Derivatives designated as hedging instruments: Cash flow hedges: Interest rate contracts $ 5,250,000 $ 11,484 $ 54,557 $ 5,250,000 $ 50,421 $ 13,124 Net investment hedges: Foreign exchange contracts — — — 81,480 3,394 — Total derivatives designated as hedging instruments $ 5,250,000 $ 11,484 $ 54,557 $ 5,331,480 $ 53,815 $ 13,124 Derivatives not designated as hedging instruments: Interest rate contracts $ 16,927,202 $ 448,106 $ 446,957 $ 17,387,909 $ 423,486 $ 420,812 Commodity contracts (1) — 60,946 70,900 — 79,604 121,670 Foreign exchange contracts 3,865,583 33,684 25,598 5,827,149 53,678 42,564 Credit contracts (2) 117,751 — 14 118,391 1 25 Equity contracts — 240 (3) 15,119 (4) — 336 (3) 15,119 (4) Total derivatives not designated as hedging instruments $ 20,910,536 $ 542,976 $ 558,588 $ 23,333,449 $ 557,105 $ 600,190 Gross derivative assets/liabilities $ 554,460 $ 613,145 $ 610,920 $ 613,314 Less: Master netting agreements (106,525) (106,525) (75,534) (75,534) Less: Cash collateral received (335,285) (2,665) (237,258) (636) Net derivative assets/liabilities $ 112,650 $ 503,955 $ 298,128 $ 537,144 (1) The notional amount of the Company’s commodity contracts totaled 18,230 thousand barrels of crude oil and 421,525 thousand units of natural gas, measured in million British thermal units (“MMBTUs”) as of June 30, 2024. In comparison, the notional amount of the Company’s commodity contracts totaled 18,631 thousand barrels of crude oil and 328,844 thousand MMBTUs of natural gas as of December 31, 2023. (2) The notional amount of the credit contracts reflects the Company’s pro-rata share of the underlying derivative instruments’ notional amount in RPAs. (3) The Company held warrant equity contracts in 10 private companies and one public company as of June 30, 2024, and 11 private companies and one public company as of December 31, 2023. (4) Equity contracts classified as derivative liabilities consist of 349,138 performance-based RSUs granted as part of EWBC’s consideration in its investment in Rayliant. The following table presents the notional amounts and the gross fair values of the interest rate and foreign exchange derivatives entered into with customers and with third-party financial institutions as economic hedges to customers’ positions as of June 30, 2024 and December 31, 2023: June 30, 2024 December 31, 2023 Fair Value Fair Value ($ in thousands) Notional Amount Assets Liabilities Notional Amount Assets Liabilities Customer-related positions: Interest rate contracts: Swaps $ 6,826,308 $ 9,729 $ 423,880 $ 6,835,822 $ 25,649 $ 377,388 Written options 1,369,229 — 9,929 1,522,531 — 12,756 Collars and corridors 259,081 96 2,496 322,732 440 4,481 Subtotal 8,454,618 9,825 436,305 8,681,085 26,089 394,625 Foreign exchange contracts: Forwards and spot 535,153 5,897 3,428 956,618 9,466 6,756 Swaps 1,197,938 7,515 10,558 1,588,491 5,801 18,118 Purchased options 88,000 2,051 — 136,000 1,839 — Subtotal 1,821,091 15,463 13,986 2,681,109 17,106 24,874 Total $ 10,275,709 $ 25,288 $ 450,291 $ 11,362,194 $ 43,195 $ 419,499 Economic hedges: Interest rate contracts: Swaps $ 6,844,274 $ 425,796 $ 10,552 $ 6,861,561 $ 380,123 $ 25,731 Purchased options 1,369,229 9,981 — 1,522,531 12,783 — Collars and corridors 259,081 2,504 100 322,732 4,491 456 Subtotal 8,472,584 438,281 10,652 8,706,824 397,397 26,187 Foreign exchange contracts: Forwards and spot 66,546 52 128 148,003 292 94 Swaps 1,889,946 18,169 9,433 2,862,037 36,280 15,757 Written options 88,000 — 2,051 136,000 — 1,839 Subtotal 2,044,492 18,221 11,612 3,146,040 36,572 17,690 Total $ 10,517,076 $ 456,502 $ 22,264 $ 11,852,864 $ 433,969 $ 43,877 The Company enters into energy commodity contracts with its customers in the oil and gas sector, which allow them to hedge against the risk of fluctuation in energy commodity prices. Offsetting contracts entered with third-party financial institutions are used as economic hedges to manage the Company’s exposure on its customer-related positions. The following table presents the notional amounts in units and the gross fair values of the commodity derivatives issued for customer-related positions and economic hedges as of June 30, 2024 and December 31, 2023: June 30, 2024 December 31, 2023 Fair Value Fair Value ($ and unit in thousands) Notional Units Assets Liabilities Notional Units Assets Liabilities Customer-related positions: Commodity contracts: Crude oil: Swaps 3,907 Barrels $ 13,897 $ 857 3,277 Barrels $ 3,735 $ 15,445 Collars 5,180 Barrels 8,366 43 5,966 Barrels 1,820 5,103 Subtotal 9,087 Barrels 22,263 900 9,243 Barrels 5,555 20,548 Natural gas: Swaps 148,337 MMBTUs 1,796 43,998 118,325 MMBTUs 438 73,793 Collars 62,277 MMBTUs 1,297 12,005 45,854 MMBTUs 21 20,400 Written options 1,710 MMBTUs 124 — 1,874 MMBTUs — 233 Subtotal 212,324 MMBTUs 3,217 56,003 166,053 MMBTUs 459 94,426 Total $ 25,480 $ 56,903 $ 6,014 $ 114,974 Economic hedges: Commodity contracts: Crude oil: Swaps 3,963 Barrels $ 1,308 $ 10,871 3,422 Barrels $ 9,166 $ 4,924 Collars 5,180 Barrels 3 1,983 5,966 Barrels 1,685 1,467 Subtotal 9,143 Barrels 1,311 12,854 9,388 Barrels 10,851 6,391 Natural gas: Swaps 145,824 MMBTUs 28,395 391 116,463 MMBTUs 49,941 305 Collars 61,667 MMBTUs 5,760 648 44,454 MMBTUs 12,565 — Purchased options 1,710 MMBTUs — 104 1,874 MMBTUs 233 — Subtotal 209,201 MMBTUs 34,155 1,143 162,791 MMBTUs 62,739 305 Total $ 35,466 $ 13,997 $ 73,590 $ 6,696
Schedule Of Pre-Tax Changes In AOCI From Cash Flows Hedges	The following table presents the pre-tax changes in AOCI from cash flow hedges for the three and six months ended June 30, 2024 and 2023. The after-tax impact of cash flow hedges on AOCI is shown in Note 14 — Accumulated Other Comprehensive Income (Loss) to the Consolidated Financial Statements in this Form-10-Q. Three Months Ended June 30, Six Months Ended June 30, ($ in thousands) 2024 2023 2024 2023 Gains (losses) recognized in AOCI: Interest rate contracts $ 25,095 $ (96,457) $ 115,471 $ (66,614) Gains (losses) reclassified from AOCI into earnings: Interest expense (for cash flow hedges on borrowings) $ — $ — $ — $ 696 Interest and dividend income (for cash flow hedges on loans) (24,594) (20,252) (49,199) (33,206) Noninterest income — — — 1,614 (1) Total $ (24,594) $ (20,252) $ (49,199) $ (30,896) (1) Represents the amounts in AOCI reclassified into earnings as a result that the forecasted cash flows were no longer probable to occur.
Schedule Of Gains and Losses On Derivative Instruments Qualified And Designated In Net Investment Hedges	The following table presents the pre-tax gains or losses recognized in AOCI on net investment hedges for the three and six months ended June 30, 2024 and 2023: Three Months Ended June 30, Six Months Ended June 30, ($ in thousands) 2024 2023 2024 2023 Gains recognized in AOCI $ — $ 3,899 $ 586 $ 2,823
Schedule Of The Net (Losses) Gains Recognized On The Company’s Consolidated Statement of Income Related To Derivatives Not Designated as Hedging Instruments	The following table presents the net gains (losses) recognized on the Company’s Consolidated Statement of Income related to derivatives not designated as hedging instruments for the three and six months ended June 30, 2024 and 2023: Three Months Ended June 30, Six Months Ended June 30, ($ in thousands) Classification on Consolidated Statement of Income 2024 2023 2024 2023 Derivatives not designated as hedging instruments: Interest rate contracts Customer derivative income $ 1,099 $ 1,222 $ 1,583 $ (1,261) Foreign exchange contracts Foreign exchange income 14,349 19,898 27,129 30,340 Credit contracts Customer derivative income 2 12 (3) 7 Equity contracts - warrants Lending fees (90) (14) (96) (60) Commodity contracts Customer derivative income 433 160 567 166 Net gains $ 15,793 $ 21,278 $ 29,180 $ 29,192
Schedule Of Gross Derivative Fair Values, The Balance Sheet Netting Adjustments And The Resulting Net Fair Values Recorded On The Consolidated Balance Sheet, As Well As The Cash and Non-Cash Collateral Associated With Master Netting Arrangements	The following tables present the gross derivative fair values, the balance sheet netting adjustments, and the resulting net fair values recorded on the Consolidated Balance Sheet, as well as the cash and noncash collateral associated with master netting arrangements. The gross amounts of derivative assets and liabilities are presented after the application of variation margin payments as settlements to the fair values of contracts cleared through central clearing organizations, where applicable. The collateral amounts in the following tables are limited to the outstanding balances of the related asset or liability. Therefore, instances of over-collateralization are not shown: ($ in thousands) As of June 30, 2024 Gross Amounts Offset on the Consolidated Balance Sheet Net Amounts Presented on the Consolidated Balance Sheet Gross Amounts Not Offset on the Consolidated Balance Sheet Gross Amounts Recognized (1) Master Netting Arrangements Cash Collateral Received (3) Security Collateral Received (5) Net Amount Derivative assets $ 554,460 $ (106,525) $ (335,285) $ 112,650 $ (78,411) $ 34,239 Gross Amounts Offset on the Consolidated Balance Sheet Net Amounts Presented on the Consolidated Balance Sheet Gross Amounts Not Offset on the Consolidated Balance Sheet Gross Amounts Recognized (2) Master Netting Arrangements Cash Collateral Pledged (4) Security Collateral Pledged (5) Net Amount Derivative liabilities $ 613,145 $ (106,525) $ (2,665) $ 503,955 $ — $ 503,955 ($ in thousands) As of December 31, 2023 Gross Amounts Offset on the Consolidated Balance Sheet Net Amounts Presented on the Consolidated Balance Sheet Gross Amounts Not Offset on the Consolidated Balance Sheet Gross Amounts Recognized (1) Master Netting Arrangements Cash Collateral Received (3) Security Collateral Received (5) Net Amount Derivative assets $ 610,920 $ (75,534) $ (237,258) $ 298,128 $ (246,259) $ 51,869 Gross Amounts Offset on the Consolidated Balance Sheet Net Amounts Presented on the Consolidated Balance Sheet Gross Amounts Not Offset on the Consolidated Balance Sheet Gross Amounts Recognized (2) Master Netting Arrangements Cash Collateral Pledged (4) Security Collateral Pledged (5) Net Amount Derivative liabilities $ 613,314 $ (75,534) $ (636) $ 537,144 $ — $ 537,144 (1) Includes $3 million of gross fair value assets with counterparties that were not subject to enforceable master netting arrangements or similar agreements as of both June 30, 2024 and December 31, 2023. (2) Includes $17 million and $16 million of gross fair value liabilities with counterparties that were not subject to enforceable master netting arrangements or similar agreements as of June 30, 2024 and December 31, 2023, respectively. (3) Gross cash collateral received under master netting arrangements or similar agreements was $356 million and $244 million as of June 30, 2024 and December 31, 2023, respectively. Of the gross cash collateral received, $335 million and $237 million were used to offset derivative assets as of June 30, 2024 and December 31, 2023, respectively. (4) Gross cash collateral pledged under master netting arrangements or similar agreements was $3 million and $1 million as of June 30, 2024 and December 31, 2023, respectively. Of the gross cash collateral pledged, $3 million and $1 million were used to offset derivative liabilities as of June 30, 2024 and December 31, 2023, respectively. (5) Represents the fair value of security collateral received or pledged limited to derivative assets or liabilities that are subject to enforceable master netting arrangements or similar agreements. U.S. GAAP does not permit the netting of noncash collateral on the Consolidated Balance Sheet but requires the disclosure of such amounts.

Loans Receivable and Allowanc_2

Loans Receivable and Allowance for Credit Losses (Tables)	6 Months Ended
	Jun. 30, 2024
Loans and Leases Receivable Disclosure [Abstract]
Schedule Of Composition Of Loans Held-For-Investment	The following table presents the composition of the Company’s loans held-for-investment outstanding as of June 30, 2024 and December 31, 2023: ($ in thousands) June 30, 2024 December 31, 2023 Commercial: C&I $ 16,875,009 $ 16,581,079 CRE: CRE 14,562,595 14,777,081 Multifamily residential 5,100,210 5,023,163 Construction and land 664,793 663,868 Total CRE 20,327,598 20,464,112 Total commercial 37,202,607 37,045,191 Consumer: Residential mortgage: Single-family residential 13,747,769 13,383,060 HELOCs 1,761,379 1,722,204 Total residential mortgage 15,509,148 15,105,264 Other consumer 56,154 60,327 Total consumer 15,565,302 15,165,591 Total loans held-for-investment (1) $ 52,767,909 $ 52,210,782 Allowance for loan losses (683,794) (668,743) Loans held-for-investment, net (1) $ 52,084,115 $ 51,542,039 (1) Includes
Schedule Of Loans Held-For-Investment By Loan Portfolio Segments, Internal Risk Ratings, Gross Write-Offs And Vintage Year	The following tables summarize the Company’s loans held-for-investment and year-to-date gross write-offs by loan portfolio segments, internal risk ratings and vintage year as of the periods presented. The vintage year is the year of loan origination, renewal or major modification. Revolving loans that are converted to term loans presented in the tables below are excluded from term loans by vintage year columns. June 30, 2024 Term Loans by Origination Year ($ in thousands) 2024 2023 2022 2021 2020 Prior Revolving Loans Revolving Loans Converted to Term Loans (1) Total Commercial: C&I: Pass $ 1,053,645 $ 2,013,510 $ 1,248,640 $ 1,047,295 $ 286,440 $ 352,329 $ 10,369,005 $ 23,548 $ 16,394,412 Criticized (accrual) 511 30,279 115,671 80,715 1,908 60,126 124,427 — 413,637 Criticized (nonaccrual) 3,911 14,606 22,752 9,484 3,335 11,929 943 — 66,960 Total C&I 1,058,067 2,058,395 1,387,063 1,137,494 291,683 424,384 10,494,375 23,548 16,875,009 Gross write-offs for the six months ended June 30, 2024 (2) — 337 11,753 14,342 1,212 1,528 19 — 29,191 CRE: Pass 726,897 2,337,637 3,885,787 2,053,076 1,371,437 3,573,736 100,131 49,863 14,098,564 Criticized (accrual) 11,005 66,071 55,768 31,633 67,955 185,529 — 14,790 432,751 Criticized (nonaccrual) — 1,750 — 11,020 469 18,041 — — 31,280 Subtotal CRE 737,902 2,405,458 3,941,555 2,095,729 1,439,861 3,777,306 100,131 64,653 14,562,595 Gross write-offs for the six months ended June 30, 2024 (2) — — — — — 2,261 — — 2,261 Multifamily residential: Pass 162,350 671,221 1,480,502 792,114 624,947 1,297,867 17,263 1,268 5,047,532 Criticized (accrual) — — 13,380 31,723 — 2,968 — — 48,071 Criticized (nonaccrual) — — — — — 4,607 — — 4,607 Subtotal multifamily residential 162,350 671,221 1,493,882 823,837 624,947 1,305,442 17,263 1,268 5,100,210 Gross write-offs for the six months ended June 30, 2024 — — — — — 6 — — 6 Construction and land: Pass 15,157 314,253 228,865 88,236 — 6,271 — — 652,782 Criticized (accrual) — — 695 — — — — — 695 Criticized (nonaccrual) — — 11,316 — — — — — 11,316 Subtotal construction and land 15,157 314,253 240,876 88,236 — 6,271 — — 664,793 Gross write-offs for the six months ended June 30, 2024 — — 2,144 — — — — — 2,144 Total CRE 915,409 3,390,932 5,676,313 3,007,802 2,064,808 5,089,019 117,394 65,921 20,327,598 Total CRE gross write-offs for the six months ended June 30, 2024 (2) — — 2,144 — — 2,267 — — 4,411 Total commercial $ 1,973,476 $ 5,449,327 $ 7,063,376 $ 4,145,296 $ 2,356,491 $ 5,513,403 $ 10,611,769 $ 89,469 $ 37,202,607 Total commercial gross write-offs for the six months ended June 30, 2024 (2) $ — $ 337 $ 13,897 $ 14,342 $ 1,212 $ 3,795 $ 19 $ — $ 33,602 June 30, 2024 Term Loans by Origination Year ($ in thousands) 2024 2023 2022 2021 2020 Prior Revolving Loans Revolving Loans Converted to Term Loans (1) Total Consumer: Residential mortgage: Single-family residential: Pass (3) $ 1,162,393 $ 2,965,129 $ 3,214,153 $ 2,175,945 $ 1,504,722 $ 2,676,170 $ — $ — $ 13,698,512 Criticized (accrual) 353 1,166 1,701 1,589 1,120 6,077 — — 12,006 Criticized (nonaccrual) (3) 2,028 11,293 5,201 3,067 2,179 13,483 — — 37,251 Subtotal single-family residential mortgage 1,164,774 2,977,588 3,221,055 2,180,601 1,508,021 2,695,730 — — 13,747,769 Gross write-offs for the six months ended June 30, 2024 (2) — — — — — 9 — — 9 HELOCs: Pass 4,382 3,797 4,712 2,576 3,847 8,253 1,589,193 126,170 1,742,930 Criticized (accrual) — 1,221 1,072 339 603 993 503 488 5,219 Criticized (nonaccrual) 517 1,208 2,095 930 — 4,513 — 3,967 13,230 Subtotal HELOCs 4,899 6,226 7,879 3,845 4,450 13,759 1,589,696 130,625 1,761,379 Total residential mortgage 1,169,673 2,983,814 3,228,934 2,184,446 1,512,471 2,709,489 1,589,696 130,625 15,509,148 Total residential mortgage gross write-offs for the six months ended June 30, 2024 (2) — — — — — 9 — — 9 Other consumer: Pass 3,886 37 19,907 133 — 6,858 22,113 — 52,934 Criticized (accrual) 15 — — — — — 3,000 — 3,015 Criticized (nonaccrual) — — — — — — 205 — 205 Total other consumer 3,901 37 19,907 133 — 6,858 25,318 — 56,154 Gross write-offs for the six months ended June 30, 2024 (2) — — — — — — 22 — 22 Total consumer $ 1,173,574 $ 2,983,851 $ 3,248,841 $ 2,184,579 $ 1,512,471 $ 2,716,347 $ 1,615,014 $ 130,625 $ 15,565,302 Total consumer gross write-offs for the six months ended June 30, 2024 (2) $ — $ — $ — $ — $ — $ 9 $ 22 $ — $ 31 Total loans held-for-investment: Pass $ 3,128,710 $ 8,305,584 $ 10,082,566 $ 6,159,375 $ 3,791,393 $ 7,921,484 $ 12,097,705 $ 200,849 $ 51,687,666 Criticized (accrual) 11,884 98,737 188,287 145,999 71,586 255,693 127,930 15,278 915,394 Criticized (nonaccrual) 6,456 28,857 41,364 24,501 5,983 52,573 1,148 3,967 164,849 Total $ 3,147,050 $ 8,433,178 $ 10,312,217 $ 6,329,875 $ 3,868,962 $ 8,229,750 $ 12,226,783 $ 220,094 $ 52,767,909 Total loans held-for-investment gross write-offs for the six months ended June 30, 2024 (2) $ — $ 337 $ 13,897 $ 14,342 $ 1,212 $ 3,804 $ 41 $ — $ 33,633 December 31, 2023 Term Loans by Origination Year ($ in thousands) 2023 2022 2021 2020 2019 Prior Revolving Loans Revolving Loans Converted to Term Loans (1) Total Commercial: C&I: Pass $ 2,314,463 $ 1,628,560 $ 1,296,936 $ 331,982 $ 245,173 $ 164,159 $ 10,053,757 $ 20,143 $ 16,055,173 Criticized (accrual) 105,119 67,899 120,574 15,064 40,920 22,098 117,196 — 488,870 Criticized (nonaccrual) 2,104 7,916 131 4,819 2,979 18,137 950 — 37,036 Total C&I 2,421,686 1,704,375 1,417,641 351,865 289,072 204,394 10,171,903 20,143 16,581,079 Gross write-offs for the year ended December 31, 2023 (2) 350 10,454 424 3,758 9,748 2,648 1,593 — 28,975 CRE: Pass 2,492,915 4,086,385 2,216,257 1,428,724 1,600,844 2,494,382 92,851 62,771 14,475,129 Criticized (accrual) 36,855 34,485 30,336 48,250 24,437 104,340 — — 278,703 Criticized (nonaccrual) — — — — 444 22,805 — — 23,249 Subtotal CRE 2,529,770 4,120,870 2,246,593 1,476,974 1,625,725 2,621,527 92,851 62,771 14,777,081 Gross write-offs for the year ended December 31, 2023 (2) — — — — — 1,329 — — 1,329 Multifamily residential: Pass 665,780 1,481,161 808,333 612,408 498,491 857,713 8,690 1,281 4,933,857 Criticized (accrual) — 3,356 54,614 — 693 25,974 — — 84,637 Criticized (nonaccrual) — — — — — 4,669 — — 4,669 Subtotal multifamily residential 665,780 1,484,517 862,947 612,408 499,184 888,356 8,690 1,281 5,023,163 Gross write-offs for the year ended December 31, 2023 — — — — — 3 — — 3 Construction and land: Pass 209,775 280,151 120,724 39,928 808 5,501 6,981 — 663,868 Subtotal construction and land 209,775 280,151 120,724 39,928 808 5,501 6,981 — 663,868 Total CRE 3,405,325 5,885,538 3,230,264 2,129,310 2,125,717 3,515,384 108,522 64,052 20,464,112 Total CRE gross write-offs for the year ended December 31, 2023 (2) — — — — — 1,332 — — 1,332 Total commercial $ 5,827,011 $ 7,589,913 $ 4,647,905 $ 2,481,175 $ 2,414,789 $ 3,719,778 $ 10,280,425 $ 84,195 $ 37,045,191 Total commercial gross write-offs for the year ended December 31, 2023 (2) $ 350 $ 10,454 $ 424 $ 3,758 $ 9,748 $ 3,980 $ 1,593 $ — $ 30,307 December 31, 2023 Term Loans by Origination Year ($ in thousands) 2023 2022 2021 2020 2019 Prior Revolving Loans Revolving Loans Converted to Term Loans (1) Total Consumer: Residential mortgage: Single-family residential: Pass (4) $ 3,188,830 $ 3,340,789 $ 2,279,802 $ 1,594,525 $ 980,686 $ 1,959,974 $ — $ — $ 13,344,606 Criticized (accrual) 2,680 4,471 566 1,440 1,503 4,167 — — 14,827 Criticized (nonaccrual) (3) 4,466 837 3,902 2,081 3,626 8,715 — — 23,627 Subtotal single-family residential mortgage 3,195,976 3,346,097 2,284,270 1,598,046 985,815 1,972,856 — — 13,383,060 HELOCs: Pass 3,641 3,882 1,734 3,153 729 9,251 1,551,074 126,280 1,699,744 Criticized (accrual) 565 1,219 1,872 101 185 1,470 2,548 1,089 9,049 Criticized (nonaccrual) 815 856 413 72 584 6,863 279 3,529 13,411 Subtotal HELOCs 5,021 5,957 4,019 3,326 1,498 17,584 1,553,901 130,898 1,722,204 Gross write-offs for the year ended December 31, 2023 (2) — — — — — 41 — 6 47 Total residential mortgage 3,200,997 3,352,054 2,288,289 1,601,372 987,313 1,990,440 1,553,901 130,898 15,105,264 Total residential mortgage gross write-offs for the year ended December 31, 2023 (2) — — — — — 41 — 6 47 Other consumer: Pass 2,286 18,098 135 — — 13,244 26,432 — 60,195 Criticized (nonaccrual) — — — — — — 132 — 132 Total other consumer 2,286 18,098 135 — — 13,244 26,564 — 60,327 Total consumer $ 3,203,283 $ 3,370,152 $ 2,288,424 $ 1,601,372 $ 987,313 $ 2,003,684 $ 1,580,465 $ 130,898 $ 15,165,591 Total consumer gross write-offs for the year ended December 31, 2023 (2) $ — $ — $ — $ — $ — $ 41 $ — $ 6 $ 47 Total by Risk Rating: Pass $ 8,877,690 $ 10,839,026 $ 6,723,921 $ 4,010,720 $ 3,326,731 $ 5,504,224 $ 11,739,785 $ 210,475 $ 51,232,572 Criticized (accrual) 145,219 111,430 207,962 64,855 67,738 158,049 119,744 1,089 876,086 Criticized (nonaccrual) 7,385 9,609 4,446 6,972 7,633 61,189 1,361 3,529 102,124 Total $ 9,030,294 $ 10,960,065 $ 6,936,329 $ 4,082,547 $ 3,402,102 $ 5,723,462 $ 11,860,890 $ 215,093 $ 52,210,782 Total loans held-for-investment gross write-offs for the year ended December 31, 2023 (2) $ 350 $ 10,454 $ 424 $ 3,758 $ 9,748 $ 4,021 $ 1,593 $ 6 $ 30,354 (1) $1 million and $8 million of total commercial loans, comprised o f C&I and CRE re volving loans, converted to term loans during the three and six months ended June 30, 2024, respectively. In comparison, $1 million and $14 million of total commercial loans, primarily comprised of CRE revolving loans converted to term loans during the three and six months ended June 30, 2023, respectively. $18 million and $28 million of total consumer loans, comprised of HELOCs, converted to term loans during the three and six months ended June 30, 2024, respectively. In comparison, $10 million and $14 million of total consumer loans, comprised of HELOCs, converted to term loans during the three and six months ended June 30, 2023, respectively. (2) Excludes gross write-offs associated with loans the Company sold or settled. (3) As of both June 30, 2024 and December 31, 2023, $1 million of nonaccrual loans whose payments were guaranteed by the Federal Housing Administration were classified with a “Pass” rating.
Schedule Of Aging Analysis Of Loans	The following tables present the aging analysis of loans held-for-investment as of June 30, 2024 and December 31, 2023: June 30, 2024 ($ in thousands) Current Accruing Loans Accruing Loans 30-59 Days Past Due Accruing Loans 60-89 Days Past Due Total Accruing Past Due Loans Total Nonaccrual Loans Total Loans Commercial: C&I $ 16,785,688 $ 12,851 $ 9,510 $ 22,361 $ 66,960 $ 16,875,009 CRE: CRE 14,518,793 11,627 895 12,522 31,280 14,562,595 Multifamily residential 5,094,712 891 — 891 4,607 5,100,210 Construction and land 653,477 — — — 11,316 664,793 Total CRE 20,266,982 12,518 895 13,413 47,203 20,327,598 Total commercial 37,052,670 25,369 10,405 35,774 114,163 37,202,607 Consumer: Residential mortgage: Single-family residential 13,667,351 29,993 12,141 42,134 38,284 13,747,769 HELOCs 1,729,694 13,236 5,219 18,455 13,230 1,761,379 Total residential mortgage 15,397,045 43,229 17,360 60,589 51,514 15,509,148 Other consumer 55,706 158 85 243 205 56,154 Total consumer 15,452,751 43,387 17,445 60,832 51,719 15,565,302 Total $ 52,505,421 $ 68,756 $ 27,850 $ 96,606 $ 165,882 $ 52,767,909 December 31, 2023 ($ in thousands) Current Accruing Loans Accruing Loans 30-59 Days Past Due Accruing Loans 60-89 Days Past Due Total Accruing Past Due Loans Total Nonaccrual Loans Total Loans Commercial: C&I $ 16,508,394 $ 28,550 $ 7,099 $ 35,649 $ 37,036 $ 16,581,079 CRE: CRE 14,750,315 1,719 1,798 3,517 23,249 14,777,081 Multifamily residential 5,017,897 597 — 597 4,669 5,023,163 Construction and land 650,617 13,251 — 13,251 — 663,868 Total CRE 20,418,829 15,567 1,798 17,365 27,918 20,464,112 Total commercial 36,927,223 44,117 8,897 53,014 64,954 37,045,191 Consumer: Residential mortgage: Single-family residential 13,313,455 29,285 15,943 45,228 24,377 13,383,060 HELOCs 1,687,301 12,266 9,226 21,492 13,411 1,722,204 Total residential mortgage 15,000,756 41,551 25,169 66,720 37,788 15,105,264 Other consumer 56,930 3,123 142 3,265 132 60,327 Total consumer 15,057,686 44,674 25,311 69,985 37,920 15,165,591 Total $ 51,984,909 $ 88,791 $ 34,208 $ 122,999 $ 102,874 $ 52,210,782
Schedule Of Amortized Cost Of Loans On Nonaccrual Status With No Related Allowance For Loan Losses	The following table presents the ($ in thousands) June 30, 2024 December 31, 2023 Commercial: C&I $ 50,808 $ 33,089 CRE 30,674 22,653 Multifamily residential 4,210 4,235 Construction and land 11,316 — Total commercial 97,008 59,977 Consumer: Single-family residential 14,461 4,852 HELOCs 7,057 7,256 Total consumer 21,518 12,108 Total nonaccrual loans with no related allowance for loan losses $ 118,526 $ 72,085
Schedule Of Modified Loans	The following tables present the amortized cost of loans that were modified during the three and six months ended June 30, 2024 and 2023 by loan class and modification type: Three Months Ended June 30, 2024 Modification Type ($ in thousands) Term Extension Payment Delay Combination: Term Extension/ Payment Delay Combination: Rate Reduction/ Payment Delay Total Modification as a % of Loan Class Commercial: C&I $ 11,901 $ 5,658 $ 2,951 $ — $ 20,510 0.12 % CRE — — — 11,020 11,020 0.05 % Total commercial 11,901 5,658 2,951 11,020 31,530 Consumer: Single-family residential — 4,791 — — 4,791 0.03 % HELOCs — 2,053 — — 2,053 0.12 % Other consumer 3,000 — — — 3,000 5.34 % Total consumer 3,000 6,844 — — 9,844 Total $ 14,901 $ 12,502 $ 2,951 $ 11,020 $ 41,374 Three Months Ended June 30, 2023 Modification Type ($ in thousands) Term Extension Payment Delay Combination: Term Extension/ Payment Delay Combination: Rate Reduction/ Term Extension Combination: Principal Forgiveness/ Rate Reduction/ Term Extension Total Modification as a % of Loan Class Commercial: C&I $ 13,475 $ 12,788 $ — $ — $ 298 $ 26,561 0.17 % CRE — — — 32,791 — 32,791 0.16 % Total commercial 13,475 12,788 — 32,791 298 59,352 Consumer: Single-family residential — 5,085 551 — — 5,636 0.05 % HELOCs — 978 — — — 978 0.05 % Total consumer — 6,063 551 — — 6,614 Total $ 13,475 $ 18,851 $ 551 $ 32,791 $ 298 $ 65,966 Six Months Ended June 30, 2024 Modification Type ($ in thousands) Term Extension Payment Delay Combination: Term Extension/ Payment Delay Combination: Rate Reduction/ Payment Delay Total Modification as a % of Loan Class Commercial: C&I $ 15,601 $ 25,886 $ 2,951 $ — $ 44,438 0.26 % CRE 24,321 — — 30,570 54,891 0.27 % Total commercial 39,922 25,886 2,951 30,570 99,329 Consumer: Single-family residential — 8,528 — — 8,528 0.06 % HELOCs — 6,881 — 517 7,398 0.42 % Other consumer 3,000 — — — 3,000 5.34 % Total consumer 3,000 15,409 — 517 18,926 Total $ 42,922 $ 41,295 $ 2,951 $ 31,087 $ 118,255 Six Months Ended June 30, 2023 Modification Type ($ in thousands) Term Extension Payment Delay Combination: Term Extension/ Payment Delay Combination: Rate Reduction/ Term Extension Combination: Principal Forgiveness/ Rate Reduction/ Term Extension Total Modification as a % of Loan Class Commercial: C&I $ 33,098 $ 26,799 $ — $ — $ 298 $ 60,195 0.38 % CRE 526 — — 32,791 — 33,317 0.17 % Total commercial 33,624 26,799 — 32,791 298 93,512 Consumer: Single-family residential — 5,085 551 — — 5,636 0.05 % HELOCs — 978 726 — — 1,704 0.09 % Total consumer — 6,063 1,277 — — 7,340 Total $ 33,624 $ 32,862 $ 1,277 $ 32,791 $ 298 $ 100,852 The following tables present the financial effects of the loan modifications for the three and six months ended June 30, 2024 and 2023 by loan class and modification type: Financial Effects of Loan Modifications for the Three Months Ended June 30, 2024 2023 ($ in thousands) Weighted-Average Interest Rate Reduction Weighted-Average Term Extension (in years) Weighted-Average Payment Delay Principal Forgiveness Weighted-Average Interest Rate Reduction Weighted-Average Term Extension (in years) Weighted-Average Payment Delay (in years) Commercial: C&I — % 2.0 2.0 $ 345 (1) 8.50 % (1) 1.7 0.6 CRE 2.50 % 0.0 1.2 — 3.00 % 2.5 0.0 Consumer: Single-family residential — % 0.0 0.8 — — % 9.7 0.9 HELOCs — % 0.0 0.7 — — % 0.0 0.6 Other consumer — % 0.8 0.0 — — % 0.0 0.0 Financial Effects of Loan Modifications for the Six Months Ended June 30, 2024 2023 ($ in thousands) Weighted-Average Interest Rate Reduction Weighted-Average Term Extension (in years) Weighted-Average Payment Delay Principal Forgiveness Weighted-Average Interest Rate Reduction Weighted-Average Term Extension (in years) Weighted-Average Payment Delay (in years) Commercial: C&I — % 2.0 1.5 $ 345 (1) 8.50 % (1) 1.5 0.8 CRE 2.66 % 1.5 1.0 — 3.00 % 2.5 0.0 Consumer: Single-family residential — % 0.0 0.8 — — % 9.7 0.9 HELOCs 0.25 % 0.0 2.8 — — % 14.8 0.5 Other consumer — % 0.8 0.0 — — % 0.0 0.0 (1) Comprised of a C&I loan modified during the three and six months ended June 30, 2023 where the interest is waived in addition to principal forgiveness. Loans Modified Subsequently Defaulted During Three Months Ended June 30, 2024 ($ in thousands) Term Extension Payment Delay Combination: Rate Reduction/ Payment Delay Combination: Term Extension/ Payment Delay Total Commercial: C&I $ — $ 5,658 $ — $ — $ 5,658 Total commercial — 5,658 — — 5,658 Consumer: Single-family residential — 3,613 — 2,438 6,051 HELOCs — 941 1,149 — 2,090 Total consumer — 4,554 1,149 2,438 8,141 Total $ — $ 10,212 $ 1,149 $ 2,438 $ 13,799 Loans Modified Subsequently Defaulted During the Six Months Ended June 30, 2024 ($ in thousands) Term Extension Payment Delay Combination: Rate Reduction/ Payment Delay Combination: Term Extension/ Payment Delay Total Commercial: C&I $ 7,829 $ 5,658 $ — $ — $ 13,487 Total commercial 7,829 5,658 — — 13,487 Consumer: Single-family residential — 7,575 — 2,823 10,398 HELOCs — 941 1,149 — 2,090 Total consumer — 8,516 1,149 2,823 12,488 Total $ 7,829 $ 14,174 $ 1,149 $ 2,823 $ 25,975
Schedule of Financing Receivable, Modified, Payment Performance	The Company monitors the performance of modified loans to borrowers experiencing financial difficulty to understand the effectiveness of its modification efforts. The following tables present the performance of loans that were modified in the twelve months ended June 30, 2024. For the comparative period, the amounts represent the performance of loans that were modified in the six months ended June 30, 2023, subsequent to the adoption of ASU 2022-02 on January 1, 2023: Payment Performance as of June 30, 2024 ($ in thousands) Current 30 - 89 Days Past Due 90+ Days Past Due Total Commercial: C&I $ 67,004 $ — $ 7,829 $ 74,833 CRE 54,892 — — 54,892 Total commercial 121,896 — 7,829 129,725 Consumer: Single-family residential 8,261 1,325 8,240 17,826 HELOCs 6,396 3,296 1,210 10,902 Other consumer 3,000 — — 3,000 Total consumer 17,657 4,621 9,450 31,728 Total $ 139,553 $ 4,621 $ 17,279 $ 161,453 Payment Performance as of June 30, 2023 ($ in thousands) Current 30 - 89 Days Past Due 90+ Days Past Due Total Commercial: C&I $ 48,206 $ 7,000 $ 4,989 $ 60,195 CRE 33,317 — — 33,317 Total commercial 81,523 7,000 4,989 93,512 Consumer: Single-family residential 5,045 591 — 5,636 HELOCs 1,704 — — 1,704 Total consumer 6,749 591 — 7,340 Total $ 88,272 $ 7,591 $ 4,989 $ 100,852
Schedule of Financing Receivable Credit Quality Indicators, Key Credit Risk Characteristics and Macroeconomic Variables	The following table provides key credit risk characteristics and macroeconomic variables that the Company uses to estimate the expected credit losses by portfolio segment: Portfolio Segment Risk Characteristics Macroeconomic Variables C&I Age percentage, size at origination, delinquency status, sector and risk rating Unemployment rate, Gross Domestic Product (“GDP”), and U.S. Treasury rates (1) CRE, Multifamily residential, and Construction and land Delinquency status, maturity date, collateral value, property type, and geographic location Unemployment rate, GDP, and U.S. Treasury rates Single-family residential and HELOCs FICO score, delinquency status, maturity date, collateral value, and geographic location Unemployment rate, GDP, and Home Price Indices Other consumer Loss rate approach Immaterial (2) (1) Macroeconomic variables were updated due to model redevelopment. (2) Macroeconomic variables are included in the qualitative estimate.
Schedule Of Activity In The Allowance For Credit Losses	The following tables summarize the activity in the allowance for loan losses by portfolio segments for the three and six months ended June 30, 2024 and 2023: Three Months Ended June 30, 2024 Commercial Consumer CRE Residential Mortgage ($ in thousands) C&I CRE Multifamily Residential Construction and Land Single-Family Residential HELOCs Other Consumer Total Allowance for loan losses, beginning of period $ 373,631 $ 187,460 $ 37,418 $ 10,819 $ 55,922 $ 3,563 $ 1,467 $ 670,280 Provision for (reversal of) credit losses on loans (a) 17,783 18,287 2,628 4,422 (6,366) (232) 240 36,762 Gross charge-offs (13,134) (11,103) — (920) (35) — (130) (25,322) Gross recoveries 1,817 150 208 1 2 9 — 2,187 Total net (charge-offs) recoveries (11,317) (10,953) 208 (919) (33) 9 (130) (23,135) Foreign currency translation adjustment (113) — — — — — — (113) Allowance for loan losses, end of period $ 379,984 $ 194,794 $ 40,254 $ 14,322 $ 49,523 $ 3,340 $ 1,577 $ 683,794 Three Months Ended June 30, 2023 Commercial Consumer CRE Residential Mortgage ($ in thousands) C&I CRE Multifamily Residential Construction and Land Single-Family Residential HELOCs Other Consumer Total Allowance for loan losses, beginning of period $ 376,325 $ 155,067 $ 24,526 $ 9,322 $ 48,007 $ 4,971 $ 1,675 $ 619,893 Provision for (reversal of) credit losses on loans (a) 5,259 15,685 (1,604) 1,995 3,501 (444) (367) 24,025 Gross charge-offs (7,335) (2,366) — — — (6) (48) (9,755) Gross recoveries 2,065 119 16 8 5 5 — 2,218 Total net (charge-offs) recoveries (5,270) (2,247) 16 8 5 (1) (48) (7,537) Foreign currency translation adjustment (981) — — — — — — (981) Allowance for loan losses, end of period $ 375,333 $ 168,505 $ 22,938 $ 11,325 $ 51,513 $ 4,526 $ 1,260 $ 635,400 Six Months Ended June 30, 2024 Commercial Consumer CRE Residential Mortgage ($ in thousands) C&I CRE Multifamily Residential Construction and Land Single-Family Residential HELOCs Other Consumer Total Allowance for loan losses, beginning of period $ 392,685 $ 170,592 $ 34,375 $ 10,469 $ 55,018 $ 3,947 $ 1,657 $ 668,743 Provision for (reversal of) credit losses on loans (a) 18,057 37,419 5,660 5,803 (5,467) (664) 108 60,916 Gross charge-offs (34,132) (13,501) (6) (2,144) (35) — (188) (50,006) Gross recoveries 3,527 284 225 194 7 57 — 4,294 Total net (charge-offs) recoveries (30,605) (13,217) 219 (1,950) (28) 57 (188) (45,712) Foreign currency translation adjustment (153) — — — — — — (153) Allowance for loan losses, end of period $ 379,984 $ 194,794 $ 40,254 $ 14,322 $ 49,523 $ 3,340 $ 1,577 $ 683,794 Six Months Ended June 30, 2023 Commercial Consumer CRE Residential Mortgage ($ in thousands) C&I CRE Multifamily Residential Construction and Land Single-Family Residential HELOCs Other Consumer Total Allowance for loan losses, December 31, 2022 $ 371,700 $ 149,864 $ 23,373 $ 9,109 $ 35,564 $ 4,475 $ 1,560 $ 595,645 Impact of ASU 2022-02 adoption 5,683 337 6 — 1 1 — 6,028 Allowance for loan losses, beginning of period 377,383 150,201 23,379 9,109 35,565 4,476 1,560 601,673 Provision for (reversal of) credit losses on loans (a) 4,581 20,361 (469) 2,205 15,943 136 (212) 42,545 Gross charge-offs (9,235) (2,372) — — — (97) (88) (11,792) Gross recoveries 3,276 315 28 11 5 11 — 3,646 Total net (charge-offs) recoveries (5,959) (2,057) 28 11 5 (86) (88) (8,146) Foreign currency translation adjustment (672) — — — — — — (672) Allowance for loan losses, end of period $ 375,333 $ 168,505 $ 22,938 $ 11,325 $ 51,513 $ 4,526 $ 1,260 $ 635,400 Three Months Ended June 30, Six Months Ended June 30, ($ in thousands) 2024 2023 2024 2023 Unfunded credit facilities Allowance for unfunded credit commitments, beginning of period $ 38,544 $ 27,741 $ 37,698 $ 26,264 Provision for credit losses on unfunded credit commitments (b) 238 1,975 1,084 3,455 Foreign currency translation adjustment 1 12 1 9 Allowance for unfunded credit commitments, end of period $ 38,783 $ 29,728 $ 38,783 $ 29,728 Provision for credit losses (a) + (b) $ 37,000 $ 26,000 $ 62,000 $ 46,000
Schedule Of Carrying Value Of Loans Transferred, Loans Sold and Purchased For the Held-For-Investment Portfolio	The following tables provide information on the carrying value of loans transferred, sold and purchased for the held-for-investment portfolio, during the three and six months ended June 30, 2024 and 2023: Three Months Ended June 30, 2024 Commercial Consumer CRE Residential Mortgage ($ in thousands) C&I CRE Construction and Land Single-Family Residential Total Loans transferred from held-for-investment to held-for-sale (1) $ 138,923 $ — $ 718 $ — $ 139,641 Sales (2)(3) $ 133,906 $ — $ 718 $ — $ 134,624 Purchases $ 170,175 (4) $ — $ — $ 111,864 $ 282,039 Three Months Ended June 30, 2023 Commercial Consumer CRE Residential Mortgage ($ in thousands) C&I CRE Construction Single-Family Residential Total Loans transferred from held-for-investment to held-for-sale (1) $ 111,396 $ — $ 8,154 $ — $ 119,550 Sales (2)(3) $ 115,735 $ — $ 8,154 $ — $ 123,889 Purchases $ 38,279 (4) $ — $ — $ 79,137 $ 117,416 Six Months Ended June 30, 2024 Commercial Consumer Total CRE Residential Mortgage ($ in thousands) C&I CRE Construction Single-Family Residential Loans transferred from held-for-investment to held-for-sale (1) $ 338,897 $ — $ 718 $ — $ 339,615 Sales (2)(3) $ 321,108 $ — $ 718 $ 965 $ 322,791 Purchases $ 203,519 (4) $ — $ — $ 186,600 $ 390,119 Six Months Ended June 30, 2023 Commercial Consumer Total CRE Residential Mortgage ($ in thousands) C&I CRE Construction and Land Single-Family Residential Loans transferred from held-for-investment to held-for-sale (1) $ 268,272 $ 3,600 $ 8,154 $ — $ 280,026 Sales (2)(3) $ 291,667 $ 3,600 $ 8,154 $ — $ 303,421 Purchases $ 60,962 (4) $ — $ — $ 211,136 $ 272,098 (1) Includes write-downs of $1 million to the allowance for loan losses related to loans transferred from held-for-investment to held-for-sale for both the three and six months ended June 30, 2024, and $308 thousand and $1 million for the three and six months ended June 30, 2023, respectively. (2) Includes originated loans sold of $95 million and $187 million for the three and six months ended June 30, 2024, respectively, and $92 million and $203 million for the three and six months ended June 30, 2023, respectively. Originated loans sold consisted primarily of C&I loans for each of the three and six months ended June 30, 2024 and 2023. (3) Includes $40 million and $136 million of purchased loans sold in the secondary market for the three and six months ended June 30, 2024, respectively, and $32 million and $100 million for the three and six months ended June 30, 2023, respectively. (4) C&I loan purchases were comprised of syndicated C&I term loans.

Affordable Housing Partnershi_2

Affordable Housing Partnership, Tax Credit and Community Reinvestment Act Investments, Net (Tables)	6 Months Ended
	Jun. 30, 2024
Investments in Qualified Affordable Housing Partnerships, Tax Credit and Other Investments, Net and Variable Interest Entities [Abstract]
Schedule of Affordable Housing, Tax Credit and CRA Investments, Net and Related Unfunded Commitments	The following table presents the investments and unfunded commitments of the Company’s affordable housing partnership, tax credit, and CRA investments, net as of June 30, 2024 and December 31, 2023: June 30, 2024 December 31, 2023 ($ in thousands) Assets Liabilities - Unfunded Commitments (1) Assets Liabilities - Unfunded Commitments (1) PAM: Affordable housing partnership investments $ 475,751 $ 293,387 $ 419,785 $ 251,746 Tax credit and CRA investments 211,591 107,010 — — Equity method of accounting and other: Tax credits and CRA investments 269,086 152,123 485,251 298,990 Total $ 956,428 $ 552,520 $ 905,036 $ 550,736 (1) Included in Accrued expenses and other liabilities on the Consolidated Balance Sheet.
Schedule of Additional Information related to the Affordable Housing, Tax Credit and CRA Investments, Net	The following table presents additional information related to the investments in affordable housing partnership, tax credit and CRA investments for the three and six months ended June 30, 2024 and 2023: Three Months Ended June 30, Six Months Ended June 30, ($ in thousands) 2024 2023 2024 2023 Tax credits and benefits (1) : PAM: Affordable housing partnership investments $ 15,612 $ 15,304 $ 34,031 $ 31,398 Tax credit and CRA investments 26,304 — 53,453 — Equity method of accounting and other: Tax credit and CRA investments 21,543 58,404 34,137 72,902 Total tax credits and benefits $ 63,459 $ 73,708 $ 121,621 $ 104,300 Amortization: PAM: Affordable housing partnership investments (2) $ 9,774 $ 10,506 $ 23,643 $ 23,172 Tax credit and CRA investments (3) 20,015 — 43,316 — Equity method of accounting and other: Tax credit and CRA investments (4) (5) 16,052 55,914 29,259 66,024 Total amortization $ 45,841 $ 66,420 $ 96,218 $ 89,196 (1) Included in Income tax expense on the Consolidated Statement of Income for the three and six months ended June 30, 2024 and 2023. (2) Amortization related to investments in qualified affordable housing partnerships under PAM was recorded in Income tax expense on the Consolidated Statement of Income for the three and six months ended June 30, 2024 and 2023. (3) Due to the adoption of ASU 2023-02 on January 1, 2024, amortization related to qualifying tax credit investments under PAM was recorded in Income tax expense on the Consolidated Statement of Income for the three and six months ended June 30, 2024. (4) Amortization related to tax credit and CRA investments was recognized in Amortization of tax credit and CRA investments as part of noninterest expense on the Consolidated Statement Income for the three and six months ended June 30, 2024 and 2023. (5) Includes net impairment recoveries of $1 million and $2 million for the three and six months ended June 30, 2023, respectively, primarily related to historic tax credits. In comparison, there were no impairment recoveries or losses for three or six months ended June 30, 2024.

Short-Term Borrowings and Lon_2

Short-Term Borrowings and Long-Term Debt (Tables)	6 Months Ended
	Jun. 30, 2024
Debt Disclosure [Abstract]
Schedule of Debt	The following table presents details of the Company’s short-term and BTFP borrowings, FHLB advances, and long-term debt as of June 30, 2024 and December 31, 2023: June 30, 2024 December 31, 2023 ($ in thousands) Interest Rates Maturity Dates Amount Amount Bank BTFP borrowings 4.37% 3/19/2024 $ — $ 4,500,000 FHLB advances (1) — floating (2) 5.51% — 5.58% 2024 — 2025 $ 3,500,000 $ — Parent company Junior subordinated debt (3) — floating (2) 7.15% 12/15/2035 $ 31,844 $ 148,249 (1) The weighted-average interest rate for FHLB advances was 5.54% as of June 30, 2024. (2) Floating interest rates are based on the Secured Overnight Financing Rate plus the established spread. (3) The weighted-average interest rates for junior subordinated debt were 7.15% and 6.87% as of June 30, 2024 and December 31, 2023, respectively.

Commitments and Contingencies (

Commitments and Contingencies (Tables)	6 Months Ended
	Jun. 30, 2024
Commitments and Contingencies Disclosure [Abstract]
Schedule of Credit-Related Commitments	The following table presents the Company’s credit-related commitments as of June 30, 2024 and December 31, 2023: June 30, 2024 December 31, 2023 ($ in thousands) Expire in One Year or Less Expire After One Year Through Three Years Expire After Three Years Through Five Years Expire After Five Years Total Total Loan commitments $ 4,769,476 $ 3,376,989 $ 632,152 $ 143,822 $ 8,922,439 $ 9,141,447 Commercial letters of credit and standby letters of credit (“SBLCs”) 1,206,498 357,450 150,329 1,122,720 2,836,997 2,610,761 Total $ 5,975,974 $ 3,734,439 $ 782,481 $ 1,266,542 $ 11,759,436 $ 11,752,208
Schedule of Guarantees Outstanding	The following table presents the maximum potential future payments and carrying value of loans sold or securitized with recourse as of June 30, 2024 and December 31, 2023: Maximum Potential Future Payments Carrying Value (1) June 30, 2024 December 31, 2023 June 30, 2024 December 31, 2023 ($ in thousands) Expire in One Year or Less Expire After One Year Through Three Years Expire After Three Years Through Five Years Expire After Five Years Total Total Total Total Single-family residential loans sold or securitized with recourse $ 3 $ 15 $ 25 $ 4,698 $ 4,741 $ 5,888 $ 4,741 $ 5,888 Multifamily residential loans sold or securitized with recourse — — 155 14,841 14,996 14,996 18,445 19,020 Total $ 3 $ 15 $ 180 $ 19,539 $ 19,737 $ 20,884 $ 23,186 $ 24,908 (1) Represents the unpaid principal balance.

Stock Compensation Plans (Table

Stock Compensation Plans (Tables)	6 Months Ended
	Jun. 30, 2024
Share-Based Payment Arrangement [Abstract]
Schedule of Stock Compensation Expense and Related Net Tax Benefit	The following table presents a summary of the total share-based compensation expense and the related net tax benefits associated with the Company’s various employee share-based compensation plans for the three and six months ended June 30, 2024 and 2023: Three Months Ended June 30, Six Months Ended June 30, ($ in thousands) 2024 2023 2024 2023 Stock compensation costs $ 10,666 $ 9,364 $ 23,654 $ 20,439 Related net tax benefits for stock compensation plans $ 9 $ 525 $ 792 $ 8,815
Schedule of Activity for Time-Based and Performance-Based Restricted Stock Units	The following table presents a summary of the activities for the Company’s time- and performance-based RSUs that were settled in shares for the six months ended June 30, 2024. The number of performance-based RSUs stated below reflects the number of awards granted on the grant date. Time-Based RSUs Performance-Based RSUs Shares Weighted-Average Grant Date Fair Value Shares Weighted-Average Grant Date Fair Value Outstanding, January 1, 2024 1,206,518 $ 74.29 276,223 $ 78.59 Granted 522,454 75.77 97,798 80.28 Vested (305,954) 71.68 (91,960) 77.67 Forfeited (36,948) 74.89 — — Outstanding, June 30, 2024 1,386,070 $ 75.41 282,061 $ 79.48

Stockholders' Equity and Earn_2

Stockholders' Equity and Earnings Per Share (Tables)	6 Months Ended
	Jun. 30, 2024
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, 2024 and 2023. 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 in the Company’s 2023 Form 10-K. ($ and shares in thousands, except per share data) Three Months Ended June 30, Six Months Ended June 30, 2024 2023 2024 2023 Basic: Net income $ 288,230 $ 312,031 $ 573,305 $ 634,470 Weighted-average number of shares outstanding 138,980 141,468 139,195 141,291 Basic EPS $ 2.07 $ 2.21 $ 4.12 $ 4.49 Diluted: Net income $ 288,230 $ 312,031 $ 573,305 $ 634,470 Weighted-average number of shares outstanding 138,980 141,468 139,195 141,291 Add: Dilutive impact of unvested RSUs 821 408 852 619 Diluted weighted-average number of shares outstanding 139,801 141,876 140,047 141,910 Diluted EPS $ 2.06 $ 2.20 $ 4.09 $ 4.47

Accumulated Other Comprehensi_2

Accumulated Other Comprehensive Income (Loss) (Tables)	6 Months Ended
	Jun. 30, 2024
Equity [Abstract]
Schedule Of The Changes In Components Of Accumulated Other Comprehensive Income Balances	The following table presents the changes in the components of AOCI balances for the three and six months ended June 30, 2024 and 2023: ($ in thousands) Debt Securities (1) Cash Flow Hedges Foreign Currency Translation Adjustments (2) Total Balance, April 1, 2023 $ (640,734) $ (20,918) $ (18,342) $ (679,994) Net unrealized losses arising during the period (43,618) (68,207) (7,249) (119,074) Amounts reclassified from AOCI 2,816 14,320 — 17,136 Changes, net of tax (40,802) (53,887) (7,249) (101,938) Balance, June 30, 2023 $ (681,536) $ (74,805) $ (25,591) $ (781,932) Balance, April 1, 2024 $ (601,510) $ (43,706) $ (17,517) $ (662,733) Net unrealized gains (losses) arising during the period 8,773 (17,678) (1,311) (10,216) Amounts reclassified from AOCI 1,451 17,325 — 18,776 Changes, net of tax 10,224 (353) (1,311) 8,560 Balance, June 30, 2024 $ (591,286) $ (44,059) $ (18,828) $ (654,173) ($ in thousands) Debt Securities (1) Cash Flow Hedges Foreign Currency Translation Adjustments (2) Total Balance, January 1, 2023 $ (694,815) $ (49,531) $ (21,283) $ (765,629) Net unrealized gains (losses) arising during the period 657 (47,121) (4,308) (50,772) Amounts reclassified from AOCI 12,622 21,847 — 34,469 Changes, net of tax 13,279 (25,274) (4,308) (16,303) Balance, June 30, 2023 $ (681,536) $ (74,805) $ (25,591) $ (781,932) Balance, January 1, 2024 $ (601,881) $ 2,624 $ (21,339) $ (620,596) Net unrealized gains (losses) arising during the period 6,491 (81,340) 2,511 (72,338) Amounts reclassified from AOCI 4,104 34,657 — 38,761 Changes, net of tax 10,595 (46,683) 2,511 (33,577) Balance, June 30, 2024 $ (591,286) $ (44,059) $ (18,828) $ (654,173) (1) Includes after-tax unamortized losses related to AFS debt securities that were transferred to HTM in 2022. (2) Represents foreign currency translation adjustments related to the Company’s net investment in non-U.S. operations, including related hedges. The functional currency and reporting currency of the Company’s foreign subsidiary was RMB and USD, respectively.
Schedule Of Components Of Other Comprehensive Income (Loss), Reclassifications To Net Income And The Related Tax Effects	The following table presents the components of other comprehensive income (loss), reclassifications to net income and the related tax effects for the three and six months ended June 30, 2024 and 2023: Three Months Ended June 30, 2024 2023 ($ in thousands) Before-Tax Tax Effect Net-of-Tax Before-Tax Tax Effect Net-of-Tax Debt securities: Net unrealized gains (losses) on AFS debt securities arising during the period $ 12,421 $ (3,648) $ 8,773 $ (61,939) $ 18,321 $ (43,618) Reclassification adjustments: Net realized gains on AFS debt securities reclassified into net income (1) (1,785) 528 (1,257) — — — Amortization of unrealized losses on transferred debt securities (2) 3,845 (1,137) 2,708 3,998 (1,182) 2,816 Net change 14,481 (4,257) 10,224 (57,941) 17,139 (40,802) Cash flow hedges: Net unrealized losses arising during the period (25,095) 7,417 (17,678) (96,457) 28,250 (68,207) Net realized losses reclassified into net income (3) 24,594 (7,269) 17,325 20,252 (5,932) 14,320 Net change (501) 148 (353) (76,205) 22,318 (53,887) Foreign currency translation adjustments, net of hedges: Net unrealized losses arising during the period (1,311) — (1,311) (6,107) (1,142) (7,249) Net change (1,311) — (1,311) (6,107) (1,142) (7,249) Other comprehensive income (loss) $ 12,669 $ (4,109) $ 8,560 $ (140,253) $ 38,315 $ (101,938) Six Months Ended June 30, 2024 2023 ($ in thousands) Before-Tax Tax Effect Net-of-Tax Before-Tax Tax Effect Net-of-Tax Debt securities: Net unrealized gains arising during the period $ 9,139 $ (2,648) $ 6,491 $ 921 $ (264) $ 657 Reclassification adjustments: Net realized (gains) losses on AFS debt securities reclassified into net income (1) (1,834) 542 (1,292) 10,000 (4) (2,956) 7,044 Amortization of unrealized losses on transferred securities (2) 7,661 (2,265) 5,396 7,919 (2,341) 5,578 Net change 14,966 (4,371) 10,595 18,840 (5,561) 13,279 Cash flow hedges: Net unrealized losses arising during the period (115,471) 34,131 (81,340) (66,614) 19,493 (47,121) Net realized losses reclassified into net income (3) 49,199 (14,542) 34,657 30,896 (9,049) 21,847 Net change (66,272) 19,589 (46,683) (35,718) 10,444 (25,274) Foreign currency translation adjustments, net of hedges: Net unrealized gains (losses) arising during the period 2,684 (173) 2,511 (3,481) (827) (4,308) Net change 2,684 (173) 2,511 (3,481) (827) (4,308) Other comprehensive loss $ (48,622) $ 15,045 $ (33,577) $ (20,359) $ 4,056 $ (16,303) (1) Pre-tax amounts were reported in Net gains (losses) on AFS debt securities on the Consolidated Statement of Income. (2) Represents unrealized losses amortized over the remaining lives of securities that were transferred from the AFS to HTM portfolio in 2022. (3) Pre-tax amounts related to cash flow hedges on variable rate loans and long-term borrowings, where applicable, were reported in Interest and dividend income and in Interest expense, respectively , on the Consolidated Statement of Income. In the first quarter of 2023, the pre-tax amount also included the terminated cash flow hedge where the forecasted cash flows were no longer probable to occur and was reported in Noninterest income on the Consolidated Statement of Income. (4) Represents the loss related to an AFS debt security that was written off in the first quarter of 2023.

Business Segments (Tables)

Business Segments (Tables)	6 Months Ended
	Jun. 30, 2024
Segment Reporting [Abstract]
Schedule Of Operating Results And Other Key Financial Measures For The Individual Operating Segments	The following tables present the operating results and other key financial measures for the individual operating segments as of and for the three and six months ended June 30, 2024 and 2023: ($ in thousands) Consumer and Business Banking Commercial Banking Other Total Three Months Ended June 30, 2024 Net interest income (loss) before provision for credit losses $ 293,292 $ 260,780 $ (843) $ 553,229 (Reversal of) provision for credit losses (3,245) 40,245 — 37,000 Noninterest income 26,769 50,720 7,184 84,673 Noninterest expense 108,124 92,064 36,246 236,434 Segment income (loss) before income taxes 215,182 179,191 (29,905) 364,468 Segment net income $ 151,578 $ 126,441 $ 10,211 $ 288,230 As of June 30, 2024 Segment assets $ 19,909,978 $ 35,510,954 $ 17,047,340 $ 72,468,272 ($ in thousands) Consumer and Business Banking Commercial Banking Other Total Three Months Ended June 30, 2023 Net interest income (loss) before provision for credit losses $ 307,522 $ 263,040 $ (3,816) $ 566,746 Provision for credit losses 5,524 20,476 — 26,000 Noninterest income 27,120 42,538 8,973 78,631 Noninterest expense 107,027 88,333 66,429 261,789 Segment income (loss) before income taxes 222,091 196,769 (61,272) 357,588 Segment net income $ 156,853 $ 139,030 $ 16,148 $ 312,031 As of June 30, 2023 Segment assets $ 18,411,209 $ 33,754,957 $ 16,366,515 $ 68,532,681 ($ in thousands) Consumer and Business Banking Commercial Banking Other Total Six Months Ended June 30, 2024 Net interest income before provision for credit losses $ 585,056 $ 521,129 $ 12,183 $ 1,118,368 (Reversal of) provision for credit losses (680) 62,680 — 62,000 Noninterest income 52,311 97,186 14,164 163,661 Noninterest expense 227,424 198,371 57,514 483,309 Segment income (loss) before income taxes 410,623 357,264 (31,167) 736,720 Segment net income $ 289,250 $ 252,022 $ 32,033 $ 573,305 As of June 30, 2024 Segment assets $ 19,909,978 $ 35,510,954 $ 17,047,340 $ 72,468,272 ($ in thousands) Consumer and Business Banking Commercial Banking Other Total Six Months Ended June 30, 2023 Net interest income before reversal of credit losses $ 611,764 $ 499,763 $ 55,080 $ 1,166,607 Provision for credit losses 20,536 25,464 — 46,000 Noninterest income (loss) 53,122 86,137 (650) 138,609 Noninterest expense 220,850 175,581 83,805 480,236 Segment income (loss) before income taxes 423,500 384,855 (29,375) 778,980 Segment net income $ 299,100 $ 273,487 $ 61,883 $ 634,470 As of June 30, 2023 Segment assets $ 18,411,209 $ 33,754,957 $ 16,366,515 $ 68,532,681

Basis of Presentation (Details)

Basis of Presentation (Details)	Jun. 30, 2024 trust
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of wholly-owned subsidiaries that are statutory business trusts (the Trusts)	1

Current Accounting Developmen_4

Current Accounting Developments and Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Jan. 01, 2024	Dec. 31, 2023
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Retained earnings	$ 6,873,653		$ 6,465,230
Accounting Standards Update 2023-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Retained earnings		$ 9,000

Fair Value Measurement and Fa_3

Fair Value Measurement and Fair Value of Financial Instruments - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2024	Sep. 30, 2023	Apr. 08, 2024
Level 1 | Fair Value, Measurements, Recurring
Schedule of Equity Method Investments [Line Items]
Equity securities	$ 471
Equity securities, gain	$ 422
Common Stock | Visa B1
Schedule of Equity Method Investments [Line Items]
Common stock, shares held (in shares)			2,266
Common Stock | Visa B2
Schedule of Equity Method Investments [Line Items]
Common stock, shares held (in shares)			1,133
Common Stock | Visa C
Schedule of Equity Method Investments [Line Items]
Common stock, shares held (in shares)			449
Rayliant Global Advisors Limited
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership (percent)		49.99%
Number of shares (in shares)		349,138
Payments to acquire equity method investments		$ 95,000
Rayliant Global Advisors Limited | Performance-based RSUs | Minimum
Schedule of Equity Method Investments [Line Items]
Shares based upon Rayliant’s achievement of specified financial performance conditions (as percentage)		20%
Rayliant Global Advisors Limited | Performance-based RSUs | Maximum
Schedule of Equity Method Investments [Line Items]
Shares based upon Rayliant’s achievement of specified financial performance conditions (as percentage)		200%

Fair Value Measurement and Fa_4

Fair Value Measurement and Fair Value of Financial Instruments - Schedule Of Financial Assets (Liabilities) Measured At Fair Value On a Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Affordable housing partnership, tax credit and CRA investments, net:
Total affordable housing partnership, tax credit and CRA investments, net	$ 956,428	$ 905,036
Derivative
Derivative assets - Fair value	554,460	610,920
Net derivative assets	112,650	298,128
Derivative liabilities - Fair value	613,145	613,314
Net derivative liabilities	503,955	537,144
Fair Value	8,923,528	6,188,337
Government National Mortgage Association (GNMA)
Derivative
Fair Value	5,200,000	1,200,000
U.S. Treasury securities
Derivative
Fair Value	623,757	1,060,375
U.S. government agency and U.S. government-sponsored enterprise debt securities
Derivative
Fair Value	260,388	364,446
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities - Commercial mortgage-backed securities
Derivative
Fair Value	444,847	468,259
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities - Residential mortgage-backed securities
Derivative
Fair Value	5,718,818	1,727,594
Municipal securities
Derivative
Fair Value	256,563	261,016
Non-agency commercial mortgage-backed securities
Derivative
Fair Value	320,637	367,516
Non-agency residential mortgage-backed securities
Derivative
Fair Value	474,618	553,671
Corporate debt securities
Derivative
Fair Value	507,130	502,425
Foreign government bonds
Derivative
Fair Value	233,724	227,874
Asset-backed securities
Derivative
Fair Value	38,593	42,300
Collateralized loan obligations (“CLOs”)
Derivative
Fair Value	44,453	612,861
Fair Value, Measurements, Recurring
Available-for-sale debt securities
Fair Value	8,923,528	6,188,337
Affordable housing partnership, tax credit and CRA investments, net:
Equity securities	24,602	24,659
Total affordable housing partnership, tax credit and CRA investments, net	24,602	24,659
Other assets
Equity securities	471
Total other assets	471
Derivative
Derivative assets - Fair value	554,460	610,920
Netting adjustments	(441,810)	(312,792)
Net derivative assets	112,650	298,128
Derivative liabilities - Fair value	613,145	613,314
Netting adjustments	(109,190)	(76,170)
Net derivative liabilities	503,955	537,144
Fair Value, Measurements, Recurring | Interest rate contracts
Derivative
Derivative assets - Fair value	459,590	473,907
Derivative liabilities - Fair value	501,514	433,936
Fair Value, Measurements, Recurring | Foreign exchange contracts
Derivative
Derivative assets - Fair value	33,684	57,072
Derivative liabilities - Fair value	25,598	42,564
Fair Value, Measurements, Recurring | Equity contracts
Derivative
Derivative assets - Fair value	240	336
Derivative liabilities - Fair value	15,119	15,119
Fair Value, Measurements, Recurring | Credit contracts
Derivative
Derivative assets - Fair value		1
Derivative liabilities - Fair value	14	25
Fair Value, Measurements, Recurring | Commodity contracts
Derivative
Derivative assets - Fair value	60,946	79,604
Derivative liabilities - Fair value	70,900	121,670
Fair Value, Measurements, Recurring | U.S. Treasury securities
Available-for-sale debt securities
Fair Value	623,757	1,060,375
Fair Value, Measurements, Recurring | U.S. government agency and U.S. government-sponsored enterprise debt securities
Available-for-sale debt securities
Fair Value	260,388	364,446
Fair Value, Measurements, Recurring | U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities - Commercial mortgage-backed securities
Available-for-sale debt securities
Fair Value	444,847	468,259
Fair Value, Measurements, Recurring | U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities - Residential mortgage-backed securities
Available-for-sale debt securities
Fair Value	5,718,818	1,727,594
Fair Value, Measurements, Recurring | Municipal securities
Available-for-sale debt securities
Fair Value	256,563	261,016
Fair Value, Measurements, Recurring | Non-agency commercial mortgage-backed securities
Available-for-sale debt securities
Fair Value	320,637	367,516
Fair Value, Measurements, Recurring | Non-agency residential mortgage-backed securities
Available-for-sale debt securities
Fair Value	474,618	553,671
Fair Value, Measurements, Recurring | Corporate debt securities
Available-for-sale debt securities
Fair Value	507,130	502,425
Fair Value, Measurements, Recurring | Foreign government bonds
Available-for-sale debt securities
Fair Value	233,724	227,874
Fair Value, Measurements, Recurring | Asset-backed securities
Available-for-sale debt securities
Fair Value	38,593	42,300
Fair Value, Measurements, Recurring | Collateralized loan obligations (“CLOs”)
Available-for-sale debt securities
Fair Value	44,453	612,861
Fair Value, Measurements, Recurring | Level 1
Available-for-sale debt securities
Fair Value	623,757	1,060,375
Affordable housing partnership, tax credit and CRA investments, net:
Equity securities	20,443	20,509
Total affordable housing partnership, tax credit and CRA investments, net	20,443	20,509
Other assets
Total other assets	471
Derivative
Derivative assets - Fair value	0	0
Netting adjustments	0	0
Net derivative assets	0	0
Derivative liabilities - Fair value	0	0
Netting adjustments	0	0
Net derivative liabilities	0	0
Fair Value, Measurements, Recurring | Level 1 | Interest rate contracts
Derivative
Derivative assets - Fair value	0	0
Derivative liabilities - Fair value	0	0
Fair Value, Measurements, Recurring | Level 1 | Foreign exchange contracts
Derivative
Derivative assets - Fair value	0	0
Derivative liabilities - Fair value	0	0
Fair Value, Measurements, Recurring | Level 1 | Equity contracts
Derivative
Derivative assets - Fair value	0	0
Derivative liabilities - Fair value	0	0
Fair Value, Measurements, Recurring | Level 1 | Credit contracts
Derivative
Derivative assets - Fair value		0
Derivative liabilities - Fair value	0	0
Fair Value, Measurements, Recurring | Level 1 | Commodity contracts
Derivative
Derivative assets - Fair value	0	0
Derivative liabilities - Fair value	0	0
Fair Value, Measurements, Recurring | Level 1 | U.S. Treasury securities
Available-for-sale debt securities
Fair Value	623,757	1,060,375
Fair Value, Measurements, Recurring | Level 1 | U.S. government agency and U.S. government-sponsored enterprise debt securities
Available-for-sale debt securities
Fair Value	0	0
Fair Value, Measurements, Recurring | Level 1 | U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities - Commercial mortgage-backed securities
Available-for-sale debt securities
Fair Value	0	0
Fair Value, Measurements, Recurring | Level 1 | U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities - Residential mortgage-backed securities
Available-for-sale debt securities
Fair Value	0	0
Fair Value, Measurements, Recurring | Level 1 | Municipal securities
Available-for-sale debt securities
Fair Value	0	0
Fair Value, Measurements, Recurring | Level 1 | Non-agency commercial mortgage-backed securities
Available-for-sale debt securities
Fair Value	0	0
Fair Value, Measurements, Recurring | Level 1 | Non-agency residential mortgage-backed securities
Available-for-sale debt securities
Fair Value	0	0
Fair Value, Measurements, Recurring | Level 1 | Corporate debt securities
Available-for-sale debt securities
Fair Value	0	0
Fair Value, Measurements, Recurring | Level 1 | Foreign government bonds
Available-for-sale debt securities
Fair Value	0	0
Fair Value, Measurements, Recurring | Level 1 | Asset-backed securities
Available-for-sale debt securities
Fair Value	0	0
Fair Value, Measurements, Recurring | Level 1 | Collateralized loan obligations (“CLOs”)
Available-for-sale debt securities
Fair Value	0	0
Fair Value, Measurements, Recurring | Level 2
Available-for-sale debt securities
Fair Value	8,299,771	5,127,962
Affordable housing partnership, tax credit and CRA investments, net:
Equity securities	4,159	4,150
Total affordable housing partnership, tax credit and CRA investments, net	4,159	4,150
Other assets
Equity securities	0
Total other assets	0
Derivative
Derivative assets - Fair value	554,220	610,584
Netting adjustments	(441,810)	(312,792)
Net derivative assets	112,410	297,792
Derivative liabilities - Fair value	598,026	598,195
Netting adjustments	(109,190)	(76,170)
Net derivative liabilities	488,836	522,025
Fair Value, Measurements, Recurring | Level 2 | Interest rate contracts
Derivative
Derivative assets - Fair value	459,590	473,907
Derivative liabilities - Fair value	501,514	433,936
Fair Value, Measurements, Recurring | Level 2 | Foreign exchange contracts
Derivative
Derivative assets - Fair value	33,684	57,072
Derivative liabilities - Fair value	25,598	42,564
Fair Value, Measurements, Recurring | Level 2 | Equity contracts
Derivative
Derivative assets - Fair value	0	0
Derivative liabilities - Fair value	0	0
Fair Value, Measurements, Recurring | Level 2 | Credit contracts
Derivative
Derivative assets - Fair value		1
Derivative liabilities - Fair value	14	25
Fair Value, Measurements, Recurring | Level 2 | Commodity contracts
Derivative
Derivative assets - Fair value	60,946	79,604
Derivative liabilities - Fair value	70,900	121,670
Fair Value, Measurements, Recurring | Level 2 | U.S. Treasury securities
Available-for-sale debt securities
Fair Value	0	0
Fair Value, Measurements, Recurring | Level 2 | U.S. government agency and U.S. government-sponsored enterprise debt securities
Available-for-sale debt securities
Fair Value	260,388	364,446
Fair Value, Measurements, Recurring | Level 2 | U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities - Commercial mortgage-backed securities
Available-for-sale debt securities
Fair Value	444,847	468,259
Fair Value, Measurements, Recurring | Level 2 | U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities - Residential mortgage-backed securities
Available-for-sale debt securities
Fair Value	5,718,818	1,727,594
Fair Value, Measurements, Recurring | Level 2 | Municipal securities
Available-for-sale debt securities
Fair Value	256,563	261,016
Fair Value, Measurements, Recurring | Level 2 | Non-agency commercial mortgage-backed securities
Available-for-sale debt securities
Fair Value	320,637	367,516
Fair Value, Measurements, Recurring | Level 2 | Non-agency residential mortgage-backed securities
Available-for-sale debt securities
Fair Value	474,618	553,671
Fair Value, Measurements, Recurring | Level 2 | Corporate debt securities
Available-for-sale debt securities
Fair Value	507,130	502,425
Fair Value, Measurements, Recurring | Level 2 | Foreign government bonds
Available-for-sale debt securities
Fair Value	233,724	227,874
Fair Value, Measurements, Recurring | Level 2 | Asset-backed securities
Available-for-sale debt securities
Fair Value	38,593	42,300
Fair Value, Measurements, Recurring | Level 2 | Collateralized loan obligations (“CLOs”)
Available-for-sale debt securities
Fair Value	44,453	612,861
Fair Value, Measurements, Recurring | Level 3
Available-for-sale debt securities
Fair Value	0	0
Affordable housing partnership, tax credit and CRA investments, net:
Equity securities	0	0
Total affordable housing partnership, tax credit and CRA investments, net	0	0
Other assets
Equity securities	0
Total other assets	0
Derivative
Derivative assets - Fair value	240	336
Netting adjustments	0	0
Net derivative assets	240	336
Derivative liabilities - Fair value	15,119	15,119
Netting adjustments	0	0
Net derivative liabilities	15,119	15,119
Fair Value, Measurements, Recurring | Level 3 | Interest rate contracts
Derivative
Derivative assets - Fair value	0	0
Derivative liabilities - Fair value	0	0
Fair Value, Measurements, Recurring | Level 3 | Foreign exchange contracts
Derivative
Derivative assets - Fair value	0	0
Derivative liabilities - Fair value	0	0
Fair Value, Measurements, Recurring | Level 3 | Equity contracts
Derivative
Derivative assets - Fair value	240	336
Derivative liabilities - Fair value	15,119	15,119
Fair Value, Measurements, Recurring | Level 3 | Credit contracts
Derivative
Derivative assets - Fair value		0
Derivative liabilities - Fair value	0	0
Fair Value, Measurements, Recurring | Level 3 | Commodity contracts
Derivative
Derivative assets - Fair value	0	0
Derivative liabilities - Fair value	0	0
Fair Value, Measurements, Recurring | Level 3 | U.S. Treasury securities
Available-for-sale debt securities
Fair Value	0	0
Fair Value, Measurements, Recurring | Level 3 | U.S. government agency and U.S. government-sponsored enterprise debt securities
Available-for-sale debt securities
Fair Value	0	0
Fair Value, Measurements, Recurring | Level 3 | U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities - Commercial mortgage-backed securities
Available-for-sale debt securities
Fair Value	0	0
Fair Value, Measurements, Recurring | Level 3 | U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities - Residential mortgage-backed securities
Available-for-sale debt securities
Fair Value	0	0
Fair Value, Measurements, Recurring | Level 3 | Municipal securities
Available-for-sale debt securities
Fair Value	0	0
Fair Value, Measurements, Recurring | Level 3 | Non-agency commercial mortgage-backed securities
Available-for-sale debt securities
Fair Value	0	0
Fair Value, Measurements, Recurring | Level 3 | Non-agency residential mortgage-backed securities
Available-for-sale debt securities
Fair Value	0	0
Fair Value, Measurements, Recurring | Level 3 | Corporate debt securities
Available-for-sale debt securities
Fair Value	0	0
Fair Value, Measurements, Recurring | Level 3 | Foreign government bonds
Available-for-sale debt securities
Fair Value	0	0
Fair Value, Measurements, Recurring | Level 3 | Asset-backed securities
Available-for-sale debt securities
Fair Value	0	0
Fair Value, Measurements, Recurring | Level 3 | Collateralized loan obligations (“CLOs”)
Available-for-sale debt securities
Fair Value	$ 0	$ 0

Fair Value Measurement and Fa_5

Fair Value Measurement and Fair Value of Financial Instruments - 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) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Derivative liabilities:
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]			Lending fees
Equity contracts | Fair Value, Measurements, Recurring
Derivative assets:
Beginning balance	$ 330	$ 277	$ 336	$ 323
Total losses included in earnings	(90)	(14)	(96)	(60)
Ending balance	240	263	240	263
Derivative liabilities:
Beginning balance	15,119	0	15,119	0
Total gains (losses) included in earnings	0	0	0	0
Ending balance	$ 15,119	$ 0	$ 15,119	$ 0

Fair Value Measurement and Fa_6

Fair Value Measurement and Fair Value of Financial Instruments - Schedule Of Quantitative Information About Significant Unobservable Inputs Used In The Valuation Of Level 3 Fair Value Measurements (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Derivative Assets
Derivative assets - Fair value	$ 554,460	$ 610,920
Derivative Liabilities
Derivative liabilities - Fair value	613,145	613,314
Fair Value, Measurements, Recurring
Derivative Assets
Derivative assets - Fair value	554,460	610,920
Derivative Liabilities
Derivative liabilities - Fair value	613,145	613,314
Fair Value, Measurements, Nonrecurring
Derivative Liabilities
Loans held-for-investment, fair value disclosure	73,082	45,892
Fair Value, Measurements, Nonrecurring | OREO
Derivative Liabilities
Assets measured at fair value	8,565
Fair Value, Measurements, Nonrecurring | Tax credit investments
Derivative Liabilities
Assets measured at fair value		868
Level 3 | Fair Value, Measurements, Recurring
Derivative Assets
Derivative assets - Fair value	240	336
Derivative Liabilities
Derivative liabilities - Fair value	15,119	15,119
Level 3 | Fair Value, Measurements, Nonrecurring
Derivative Liabilities
Loans held-for-investment, fair value disclosure	73,082	45,892
Level 3 | Fair Value, Measurements, Nonrecurring | OREO
Derivative Liabilities
Assets measured at fair value	8,565
Level 3 | Fair Value, Measurements, Nonrecurring | Tax credit investments
Derivative Liabilities
Assets measured at fair value		868
Level 3 | Fair Value, Measurements, Nonrecurring | Fair value of collateral
Derivative Liabilities
Loans held-for-investment, fair value disclosure	7,219	16,328
Level 3 | Fair Value, Measurements, Nonrecurring | Fair value of collateral
Derivative Liabilities
Loans held-for-investment, fair value disclosure	13,793	3,009
Level 3 | Fair Value, Measurements, Nonrecurring | Fair value of property
Derivative Liabilities
Loans held-for-investment, fair value disclosure	52,070	26,555
Level 3 | Fair Value, Measurements, Nonrecurring | Fair value of property | OREO
Derivative Liabilities
Assets measured at fair value	$ 8,565
Level 3 | Fair Value, Measurements, Nonrecurring | Individual analysis of each investment | Tax credit investments
Derivative Liabilities
Assets measured at fair value		$ 868
Level 3 | Fair Value, Measurements, Nonrecurring | Selling cost | Fair value of property
Derivative Liabilities
Loans held-for-investment, measurement input		8%
OREO, measurement input	0.08
Level 3 | Fair Value, Measurements, Nonrecurring | Minimum | Discount | Fair value of collateral
Derivative Liabilities
Loans held-for-investment, measurement input	20%	15%
Level 3 | Fair Value, Measurements, Nonrecurring | Minimum | Selling cost | Fair value of property
Derivative Liabilities
Loans held-for-investment, measurement input	8%
Level 3 | Fair Value, Measurements, Nonrecurring | Maximum | Discount | Fair value of collateral
Derivative Liabilities
Loans held-for-investment, measurement input	50%	75%
Level 3 | Fair Value, Measurements, Nonrecurring | Maximum | Selling cost | Fair value of property
Derivative Liabilities
Loans held-for-investment, measurement input	20%
Level 3 | Fair Value, Measurements, Nonrecurring | Weighted Average | Discount | Fair value of collateral
Derivative Liabilities
Loans held-for-investment, measurement input	24%	45%
Level 3 | Fair Value, Measurements, Nonrecurring | Weighted Average | Selling cost | Fair value of property
Derivative Liabilities
Loans held-for-investment, measurement input	10%	8%
OREO, measurement input	0.08
Equity contracts | Fair Value, Measurements, Recurring
Derivative Assets
Derivative assets - Fair value	$ 240	$ 336
Derivative Liabilities
Derivative liabilities - Fair value	15,119	15,119
Equity contracts | Level 3 | Fair Value, Measurements, Recurring
Derivative Assets
Derivative assets - Fair value	240	336
Derivative Liabilities
Derivative liabilities - Fair value	$ 15,119	$ 15,119
Equity contracts | Level 3 | Fair Value, Measurements, Recurring | Liquidity discount
Derivative Liabilities
Measurement input	47%	47%
Equity contracts | Level 3 | Fair Value, Measurements, Recurring | Payout % designated based on operating revenue and operating EBITDA of investee
Derivative Liabilities
Measurement input	84%	84%
Equity contracts | Level 3 | Fair Value, Measurements, Recurring | Minimum | Equity volatility | Black-Scholes option pricing model
Derivative Liabilities
Measurement input	34%	37%
Equity contracts | Level 3 | Fair Value, Measurements, Recurring | Maximum | Equity volatility | Black-Scholes option pricing model
Derivative Liabilities
Measurement input	48%	48%
Equity contracts | Level 3 | Fair Value, Measurements, Recurring | Weighted Average | Equity volatility | Black-Scholes option pricing model
Derivative Liabilities
Measurement input	44%	45%
Equity contracts | Level 3 | Fair Value, Measurements, Recurring | Weighted Average | Liquidity discount
Derivative Liabilities
Measurement input	47%	47%
Equity contracts | Level 3 | Fair Value, Measurements, Recurring | Weighted Average | Payout % designated based on operating revenue and operating EBITDA of investee
Derivative Liabilities
Measurement input	84%	84%

Fair Value Measurement and Fa_7

Fair Value Measurement and Fair Value of Financial Instruments - Schedule Of Carrying Amounts Of Assets That Were Still Held And Had Fair Value Adjustments Measured On a Nonrecurring Basis (Details) - Fair Value, Measurements, Nonrecurring - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Fair Value, Assets Measured on a Nonrecurring Basis
Loans held-for-investment, fair value disclosure	$ 73,082	$ 45,892
OREO
Fair Value, Assets Measured on a Nonrecurring Basis
Assets measured at fair value	8,565
Tax credit investments
Fair Value, Assets Measured on a Nonrecurring Basis
Assets measured at fair value		868
Commercial lending
Fair Value, Assets Measured on a Nonrecurring Basis
Loans held-for-investment, fair value disclosure	72,990	44,688
Commercial lending | C&I
Fair Value, Assets Measured on a Nonrecurring Basis
Loans held-for-investment, fair value disclosure	44,605	22,035
Commercial lending | CRE
Fair Value, Assets Measured on a Nonrecurring Basis
Loans held-for-investment, fair value disclosure	17,069	22,653
Commercial lending | Construction and land
Fair Value, Assets Measured on a Nonrecurring Basis
Loans held-for-investment, fair value disclosure	11,316
Consumer lending
Fair Value, Assets Measured on a Nonrecurring Basis
Loans held-for-investment, fair value disclosure	92	1,204
Consumer lending | HELOCs
Fair Value, Assets Measured on a Nonrecurring Basis
Loans held-for-investment, fair value disclosure		1,204
Consumer lending | Single-family residential
Fair Value, Assets Measured on a Nonrecurring Basis
Loans held-for-investment, fair value disclosure	92
Level 1
Fair Value, Assets Measured on a Nonrecurring Basis
Loans held-for-investment, fair value disclosure	0	0
Level 1 | OREO
Fair Value, Assets Measured on a Nonrecurring Basis
Assets measured at fair value	0
Level 1 | Tax credit investments
Fair Value, Assets Measured on a Nonrecurring Basis
Assets measured at fair value		0
Level 1 | Commercial lending
Fair Value, Assets Measured on a Nonrecurring Basis
Loans held-for-investment, fair value disclosure	0	0
Level 1 | Commercial lending | C&I
Fair Value, Assets Measured on a Nonrecurring Basis
Loans held-for-investment, fair value disclosure	0	0
Level 1 | Commercial lending | CRE
Fair Value, Assets Measured on a Nonrecurring Basis
Loans held-for-investment, fair value disclosure	0	0
Level 1 | Commercial lending | Construction and land
Fair Value, Assets Measured on a Nonrecurring Basis
Loans held-for-investment, fair value disclosure	0
Level 1 | Consumer lending
Fair Value, Assets Measured on a Nonrecurring Basis
Loans held-for-investment, fair value disclosure	0	0
Level 1 | Consumer lending | HELOCs
Fair Value, Assets Measured on a Nonrecurring Basis
Loans held-for-investment, fair value disclosure		0
Level 1 | Consumer lending | Single-family residential
Fair Value, Assets Measured on a Nonrecurring Basis
Loans held-for-investment, fair value disclosure	0
Level 2
Fair Value, Assets Measured on a Nonrecurring Basis
Loans held-for-investment, fair value disclosure	0	0
Level 2 | OREO
Fair Value, Assets Measured on a Nonrecurring Basis
Assets measured at fair value	0
Level 2 | Tax credit investments
Fair Value, Assets Measured on a Nonrecurring Basis
Assets measured at fair value		0
Level 2 | Commercial lending
Fair Value, Assets Measured on a Nonrecurring Basis
Loans held-for-investment, fair value disclosure	0	0
Level 2 | Commercial lending | C&I
Fair Value, Assets Measured on a Nonrecurring Basis
Loans held-for-investment, fair value disclosure	0	0
Level 2 | Commercial lending | CRE
Fair Value, Assets Measured on a Nonrecurring Basis
Loans held-for-investment, fair value disclosure	0	0
Level 2 | Commercial lending | Construction and land
Fair Value, Assets Measured on a Nonrecurring Basis
Loans held-for-investment, fair value disclosure	0
Level 2 | Consumer lending
Fair Value, Assets Measured on a Nonrecurring Basis
Loans held-for-investment, fair value disclosure	0	0
Level 2 | Consumer lending | HELOCs
Fair Value, Assets Measured on a Nonrecurring Basis
Loans held-for-investment, fair value disclosure		0
Level 2 | Consumer lending | Single-family residential
Fair Value, Assets Measured on a Nonrecurring Basis
Loans held-for-investment, fair value disclosure	0
Level 3
Fair Value, Assets Measured on a Nonrecurring Basis
Loans held-for-investment, fair value disclosure	73,082	45,892
Level 3 | OREO
Fair Value, Assets Measured on a Nonrecurring Basis
Assets measured at fair value	8,565
Level 3 | Tax credit investments
Fair Value, Assets Measured on a Nonrecurring Basis
Assets measured at fair value		868
Level 3 | Commercial lending
Fair Value, Assets Measured on a Nonrecurring Basis
Loans held-for-investment, fair value disclosure	72,990	44,688
Level 3 | Commercial lending | C&I
Fair Value, Assets Measured on a Nonrecurring Basis
Loans held-for-investment, fair value disclosure	44,605	22,035
Level 3 | Commercial lending | CRE
Fair Value, Assets Measured on a Nonrecurring Basis
Loans held-for-investment, fair value disclosure	17,069	22,653
Level 3 | Commercial lending | Construction and land
Fair Value, Assets Measured on a Nonrecurring Basis
Loans held-for-investment, fair value disclosure	11,316
Level 3 | Consumer lending
Fair Value, Assets Measured on a Nonrecurring Basis
Loans held-for-investment, fair value disclosure	92	1,204
Level 3 | Consumer lending | HELOCs
Fair Value, Assets Measured on a Nonrecurring Basis
Loans held-for-investment, fair value disclosure		$ 1,204
Level 3 | Consumer lending | Single-family residential
Fair Value, Assets Measured on a Nonrecurring Basis
Loans held-for-investment, fair value disclosure	$ 92

Fair Value Measurement and Fa_8

Fair Value Measurement and Fair Value of Financial Instruments - Schedule Of Increase (Decrease) In Fair Value Of Assets For Which a Fair Value Adjustment Was Recognized, Nonrecurring Basis (Details) - Fair Value, Measurements, Nonrecurring - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Loans held-for-investment
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	$ (17,967)	$ (12,671)	$ (30,580)	$ (13,926)
Loans held-for-investment | Commercial lending
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	(17,944)	(12,671)	(29,173)	(13,926)
Loans held-for-investment | Commercial lending | C&I
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	(14,764)	(10,419)	(24,769)	(11,674)
Loans held-for-investment | Commercial lending | CRE
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	(2,260)	(2,252)	(2,260)	(2,252)
Loans held-for-investment | Commercial lending | Construction and land
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	(920)	0	(2,144)	0
Loans held-for-investment | Commercial lending | Total CRE
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	(3,180)	(2,252)	(4,404)	(2,252)
Loans held-for-investment | Consumer lending
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	(23)	0	(1,407)	0
Loans held-for-investment | Consumer lending | Single-family residential
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	(23)	0	(1,407)	0
Tax credit investments
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	0	(961)	0	(787)
OREO
Fair Value, Assets Measured on a Nonrecurring Basis
Increase (decrease) in value of assets	$ (2,576)	$ 0	$ (2,576)	$ 0

Fair Value Measurement and Fa_9

Fair Value Measurement and Fair Value of Financial Instruments - Schedule Of The Carrying And Fair Value Estimates Per The Fair Value Hierarchy Of Financial Instruments Measured On a Nonrecurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Financial assets:
Cash and cash equivalents	$ 4,365,691	$ 4,614,984
Interest-bearing deposits with banks	24,530	10,498
Securities purchased under resale agreements (“resale agreements”)	485,000	785,000
HTM debt securities	2,938,250	2,956,040
Restricted equity securities, at cost	165,164	79,811
Financial liabilities:
Federal Home Loan Bank (“FHLB”) advances	3,500,000	0
Carrying Amount
Financial assets:
Cash and cash equivalents	4,365,691	4,614,984
Interest-bearing deposits with banks	24,530	10,498
Securities purchased under resale agreements (“resale agreements”)	485,000	785,000
HTM debt securities	2,938,250	2,956,040
Restricted equity securities, at cost	165,164	79,811
Loans held-for-sale	18,909	116
Loans held-for-investment, net	52,084,115	51,542,039
Mortgage servicing rights	5,903	6,602
Accrued interest receivable	329,442	331,490
Financial liabilities:
Demand, checking, savings and money market deposits	38,229,098	38,048,974
Time deposits	21,770,687	18,043,464
Federal Home Loan Bank (“FHLB”) advances	3,500,000
BTFP borrowings		4,500,000
Long-term debt	31,844	148,249
Accrued interest payable	63,078	205,430
Estimated Fair Value
Financial assets:
Cash and cash equivalents	4,365,691	4,614,984
Interest-bearing deposits with banks	24,530	10,498
Securities purchased under resale agreements (“resale agreements”)	390,522	699,056
HTM debt securities	2,405,227	2,453,971
Restricted equity securities, at cost	165,164	79,811
Loans held-for-sale	18,909	116
Loans held-for-investment, net	50,340,499	50,256,565
Mortgage servicing rights	10,385	9,470
Accrued interest receivable	329,442	331,490
Financial liabilities:
Demand, checking, savings and money market deposits	38,229,098	38,048,974
Time deposits	21,726,174	18,004,951
Federal Home Loan Bank (“FHLB”) advances	3,504,276
BTFP borrowings		4,500,000
Long-term debt	30,316	150,896
Accrued interest payable	63,078	205,430
Estimated Fair Value | Level 1
Financial assets:
Cash and cash equivalents	4,365,691	4,614,984
Interest-bearing deposits with banks	0	0
Securities purchased under resale agreements (“resale agreements”)	0	0
HTM debt securities	487,707	488,551
Restricted equity securities, at cost	0	0
Loans held-for-sale	0	0
Loans held-for-investment, net	0	0
Mortgage servicing rights	0	0
Accrued interest receivable	0	0
Financial liabilities:
Demand, checking, savings and money market deposits	0	0
Time deposits	0	0
Federal Home Loan Bank (“FHLB”) advances	0
BTFP borrowings		0
Long-term debt	0	0
Accrued interest payable	0	0
Estimated Fair Value | Level 2
Financial assets:
Cash and cash equivalents	0	0
Interest-bearing deposits with banks	24,530	10,498
Securities purchased under resale agreements (“resale agreements”)	390,522	699,056
HTM debt securities	1,917,520	1,965,420
Restricted equity securities, at cost	165,164	79,811
Loans held-for-sale	18,909	116
Loans held-for-investment, net	0	0
Mortgage servicing rights	0	0
Accrued interest receivable	329,442	331,490
Financial liabilities:
Demand, checking, savings and money market deposits	38,229,098	38,048,974
Time deposits	21,726,174	18,004,951
Federal Home Loan Bank (“FHLB”) advances	3,504,276
BTFP borrowings		4,500,000
Long-term debt	30,316	150,896
Accrued interest payable	63,078	205,430
Estimated Fair Value | Level 3
Financial assets:
Cash and cash equivalents	0	0
Interest-bearing deposits with banks	0	0
Securities purchased under resale agreements (“resale agreements”)	0	0
HTM debt securities	0	0
Restricted equity securities, at cost	0	0
Loans held-for-sale	0	0
Loans held-for-investment, net	50,340,499	50,256,565
Mortgage servicing rights	10,385	9,470
Accrued interest receivable	0	0
Financial liabilities:
Demand, checking, savings and money market deposits	0	0
Time deposits	0	0
Federal Home Loan Bank (“FHLB”) advances	0
BTFP borrowings		0
Long-term debt	0	0
Accrued interest payable	$ 0	$ 0

Securities Purchased under Re_3

Securities Purchased under Resale Agreements - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
RESALE AND REPURCHASE AGREEMENTS
Gross resale agreements	$ 485,000		$ 485,000		$ 785,000
Average yield	1.56%	2.42%	2.66%	2.46%

Securities Purchased under Re_4

Securities Purchased under Resale Agreements - Schedule Of Balance Sheet Offsetting For Resale And Repurchase Agreements (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Resale Agreements
Gross Amounts of Recognized Assets	$ 485,000	$ 785,000
Gross Amounts Offset on the Consolidated Balance Sheet	0	0
Net Amounts of Assets Presented on the Consolidated Balance Sheet	485,000	785,000
Securities Purchased under Agreements to Resell Gross Amounts Not Offset [Abstract]
Gross Amounts  Not Offset on the Collateral Received	(402,645)	(715,358)
Net Amount	$ 82,355	$ 69,642

Securities - Schedule of Debt S

Securities - Schedule of Debt Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
AFS debt securities:
Amortized Cost	$ 9,644,377	$ 6,916,491
Gross Unrealized Gains	4,357	783
Gross Unrealized Losses	(725,206)	(728,937)
Fair Value	8,923,528	6,188,337
HTM debt securities:
Amortized Cost	2,938,250	2,956,040
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(533,023)	(502,069)
Fair Value	2,405,227	2,453,971
Total debt securities
Amortized Cost	12,582,627	9,872,531
Gross Unrealized Gains	4,357	783
Gross Unrealized Losses	(1,258,229)	(1,231,006)
Fair Value	11,328,755	8,642,308
AFS and HTM, accrued interest	44,000	44,000
Government National Mortgage Association (GNMA)
AFS debt securities:
Amortized Cost	5,200,000	1,300,000
Fair Value	5,200,000	1,200,000
HTM debt securities:
Amortized Cost	89,000	92,000
Fair Value	71,000	75,000
U.S. Treasury securities
AFS debt securities:
Amortized Cost	676,291	1,112,587
Gross Unrealized Gains	0	101
Gross Unrealized Losses	(52,534)	(52,313)
Fair Value	623,757	1,060,375
HTM debt securities:
Amortized Cost	532,294	529,548
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(44,587)	(40,997)
Fair Value	487,707	488,551
U.S. government agency and U.S. government-sponsored enterprise debt securities
AFS debt securities:
Amortized Cost	309,956	412,086
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(49,568)	(47,640)
Fair Value	260,388	364,446
HTM debt securities:
Amortized Cost	1,003,094	1,001,836
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(200,199)	(186,904)
Fair Value	802,895	814,932
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities - Commercial mortgage-backed securities
AFS debt securities:
Amortized Cost	498,281	531,377
Gross Unrealized Gains	113	158
Gross Unrealized Losses	(53,547)	(63,276)
Fair Value	444,847	468,259
HTM debt securities:
Amortized Cost	490,502	493,348
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(90,358)	(88,968)
Fair Value	400,144	404,380
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities - Residential mortgage-backed securities
AFS debt securities:
Amortized Cost	5,956,800	1,956,927
Gross Unrealized Gains	3,109	380
Gross Unrealized Losses	(241,091)	(229,713)
Fair Value	5,718,818	1,727,594
HTM debt securities:
Amortized Cost	724,039	742,436
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(151,928)	(142,119)
Fair Value	572,111	600,317
Municipal securities
AFS debt securities:
Amortized Cost	295,437	297,283
Gross Unrealized Gains	34	75
Gross Unrealized Losses	(38,908)	(36,342)
Fair Value	256,563	261,016
HTM debt securities:
Amortized Cost	188,321	188,872
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(45,951)	(43,081)
Fair Value	142,370	145,791
Non-agency commercial mortgage-backed securities
AFS debt securities:
Amortized Cost	360,613	409,578
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(39,976)	(42,062)
Fair Value	320,637	367,516
Non-agency residential mortgage-backed securities
AFS debt securities:
Amortized Cost	564,414	643,335
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(89,796)	(89,664)
Fair Value	474,618	553,671
Corporate debt securities
AFS debt securities:
Amortized Cost	653,501	653,501
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(146,371)	(151,076)
Fair Value	507,130	502,425
Foreign government bonds
AFS debt securities:
Amortized Cost	245,523	239,333
Gross Unrealized Gains	1,101	69
Gross Unrealized Losses	(12,900)	(11,528)
Fair Value	233,724	227,874
Asset-backed securities
AFS debt securities:
Amortized Cost	39,061	43,234
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(468)	(934)
Fair Value	38,593	42,300
Collateralized loan obligations (“CLOs”)
AFS debt securities:
Amortized Cost	44,500	617,250
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(47)	(4,389)
Fair Value	$ 44,453	$ 612,861

Securities - Schedule of Debt_2

Securities - Schedule of Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Schedule of Available-for-sale Debt Securities
Available-for-sale debt securities, Less than 12 Months, Fair Value	$ 2,800,229	$ 125,924
Available-for-sale debt securities, Gross Unrealized Loss, Less than 12 Months	(5,114)	(721)
Available-for-sale debt securities, 12 Months or More, Fair Value	4,618,875	5,532,528
Available-for-sale debt securities, Gross Unrealized Loss, 12 Months or More	(720,092)	(728,216)
Available-for-sale debt securities fair value, Total	7,419,104	5,658,452
Available-for-sale debt securities, Gross Unrealized Loss, Total	(725,206)	(728,937)
U.S. Treasury securities
Schedule of Available-for-sale Debt Securities
Available-for-sale debt securities, Less than 12 Months, Fair Value	0	0
Available-for-sale debt securities, Gross Unrealized Loss, Less than 12 Months	0	0
Available-for-sale debt securities, 12 Months or More, Fair Value	623,757	623,978
Available-for-sale debt securities, Gross Unrealized Loss, 12 Months or More	(52,534)	(52,313)
Available-for-sale debt securities fair value, Total	623,757	623,978
Available-for-sale debt securities, Gross Unrealized Loss, Total	(52,534)	(52,313)
U.S. government agency and U.S. government-sponsored enterprise debt securities
Schedule of Available-for-sale Debt Securities
Available-for-sale debt securities, Less than 12 Months, Fair Value	0	0
Available-for-sale debt securities, Gross Unrealized Loss, Less than 12 Months	0	0
Available-for-sale debt securities, 12 Months or More, Fair Value	260,388	364,446
Available-for-sale debt securities, Gross Unrealized Loss, 12 Months or More	(49,568)	(47,640)
Available-for-sale debt securities fair value, Total	260,388	364,446
Available-for-sale debt securities, Gross Unrealized Loss, Total	(49,568)	(47,640)
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities - Commercial mortgage-backed securities
Schedule of Available-for-sale Debt Securities
Available-for-sale debt securities, Less than 12 Months, Fair Value	0	0
Available-for-sale debt securities, Gross Unrealized Loss, Less than 12 Months	0	0
Available-for-sale debt securities, 12 Months or More, Fair Value	440,214	463,572
Available-for-sale debt securities, Gross Unrealized Loss, 12 Months or More	(53,547)	(63,276)
Available-for-sale debt securities fair value, Total	440,214	463,572
Available-for-sale debt securities, Gross Unrealized Loss, Total	(53,547)	(63,276)
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities - Residential mortgage-backed securities
Schedule of Available-for-sale Debt Securities
Available-for-sale debt securities, Less than 12 Months, Fair Value	2,778,124	9,402
Available-for-sale debt securities, Gross Unrealized Loss, Less than 12 Months	(5,016)	(558)
Available-for-sale debt securities, 12 Months or More, Fair Value	1,570,970	1,661,112
Available-for-sale debt securities, Gross Unrealized Loss, 12 Months or More	(236,075)	(229,155)
Available-for-sale debt securities fair value, Total	4,349,094	1,670,514
Available-for-sale debt securities, Gross Unrealized Loss, Total	(241,091)	(229,713)
Municipal securities
Schedule of Available-for-sale Debt Securities
Available-for-sale debt securities, Less than 12 Months, Fair Value	3,337	2,825
Available-for-sale debt securities, Gross Unrealized Loss, Less than 12 Months	(32)	(15)
Available-for-sale debt securities, 12 Months or More, Fair Value	250,949	254,773
Available-for-sale debt securities, Gross Unrealized Loss, 12 Months or More	(38,876)	(36,327)
Available-for-sale debt securities fair value, Total	254,286	257,598
Available-for-sale debt securities, Gross Unrealized Loss, Total	(38,908)	(36,342)
Non-agency commercial mortgage-backed securities
Schedule of Available-for-sale Debt Securities
Available-for-sale debt securities, Less than 12 Months, Fair Value	0	2,742
Available-for-sale debt securities, Gross Unrealized Loss, Less than 12 Months	0	(4)
Available-for-sale debt securities, 12 Months or More, Fair Value	320,637	364,774
Available-for-sale debt securities, Gross Unrealized Loss, 12 Months or More	(39,976)	(42,058)
Available-for-sale debt securities fair value, Total	320,637	367,516
Available-for-sale debt securities, Gross Unrealized Loss, Total	(39,976)	(42,062)
Non-agency residential mortgage-backed securities
Schedule of Available-for-sale Debt Securities
Available-for-sale debt securities, Less than 12 Months, Fair Value	0	0
Available-for-sale debt securities, Gross Unrealized Loss, Less than 12 Months	0	0
Available-for-sale debt securities, 12 Months or More, Fair Value	474,618	553,671
Available-for-sale debt securities, Gross Unrealized Loss, 12 Months or More	(89,796)	(89,664)
Available-for-sale debt securities fair value, Total	474,618	553,671
Available-for-sale debt securities, Gross Unrealized Loss, Total	(89,796)	(89,664)
Corporate debt securities
Schedule of Available-for-sale Debt Securities
Available-for-sale debt securities, Less than 12 Months, Fair Value	0	0
Available-for-sale debt securities, Gross Unrealized Loss, Less than 12 Months	0	0
Available-for-sale debt securities, 12 Months or More, Fair Value	507,130	502,425
Available-for-sale debt securities, Gross Unrealized Loss, 12 Months or More	(146,371)	(151,076)
Available-for-sale debt securities fair value, Total	507,130	502,425
Available-for-sale debt securities, Gross Unrealized Loss, Total	(146,371)	(151,076)
Foreign government bonds
Schedule of Available-for-sale Debt Securities
Available-for-sale debt securities, Less than 12 Months, Fair Value	18,768	110,955
Available-for-sale debt securities, Gross Unrealized Loss, Less than 12 Months	(66)	(144)
Available-for-sale debt securities, 12 Months or More, Fair Value	87,166	88,616
Available-for-sale debt securities, Gross Unrealized Loss, 12 Months or More	(12,834)	(11,384)
Available-for-sale debt securities fair value, Total	105,934	199,571
Available-for-sale debt securities, Gross Unrealized Loss, Total	(12,900)	(11,528)
Asset-backed securities
Schedule of Available-for-sale Debt Securities
Available-for-sale debt securities, Less than 12 Months, Fair Value	0	0
Available-for-sale debt securities, Gross Unrealized Loss, Less than 12 Months	0	0
Available-for-sale debt securities, 12 Months or More, Fair Value	38,593	42,300
Available-for-sale debt securities, Gross Unrealized Loss, 12 Months or More	(468)	(934)
Available-for-sale debt securities fair value, Total	38,593	42,300
Available-for-sale debt securities, Gross Unrealized Loss, Total	(468)	(934)
Collateralized loan obligations (“CLOs”)
Schedule of Available-for-sale Debt Securities
Available-for-sale debt securities, Less than 12 Months, Fair Value	0	0
Available-for-sale debt securities, Gross Unrealized Loss, Less than 12 Months	0	0
Available-for-sale debt securities, 12 Months or More, Fair Value	44,453	612,861
Available-for-sale debt securities, Gross Unrealized Loss, 12 Months or More	(47)	(4,389)
Available-for-sale debt securities fair value, Total	44,453	612,861
Available-for-sale debt securities, Gross Unrealized Loss, Total	$ (47)	$ (4,389)

Securities - Narrative (Details

Securities - Narrative (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2024 USD ($) security	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($) security	Jun. 30, 2023 USD ($)	Dec. 31, 2023 USD ($) security
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Number of available-for-sale debt securities in an unrealized loss position | security	567		567		547
Debt Securities, AFS, allowance for credit loss | $	$ 0		$ 0		$ 0
Provision (reversal of provision) for credit losses | $	0	$ 0	0	$ 0
HTM securities allowance for credit loss | $	0		0		0
Asset Pledged as Collateral
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
AFS and HTM debt securities carrying value | $	$ 5,600,000,000		$ 5,600,000,000		$ 7,000,000,000
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Number of available-for-sale debt securities in an unrealized loss position | security	304		304		255
Non-agency mortgage-backed securities
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Number of available-for-sale debt securities in an unrealized loss position | security	91		91		99
Corporate debt securities
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Number of available-for-sale debt securities in an unrealized loss position | security	66		66		66

Securities - Schedule of the Gr

Securities - Schedule of the Gross Realized Gains and Tax Expense, Available-for-Sale (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023
Investments, Debt and Equity Securities [Abstract]
Gross realized gains from sales	$ 1,785	$ 0		$ 1,834	$ 0
Available-for-sale, impairment write-off on subordinated debt	0	0	$ (10,000)	0	(10,000)
Related tax expense (benefit)	$ 528	$ 0		$ 542	$ (2,956)

Securities - Schedule of Compos

Securities - Schedule of Composition of Interest Income on Debt Securities (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Investments, Debt and Equity Securities [Abstract]
Taxable interest	$ 106,690	$ 64,139	$ 177,018	$ 125,188
Nontaxable interest	5,042	4,831	10,106	9,713
Total interest income on debt securities	$ 111,732	$ 68,970	$ 187,124	$ 134,901

Securities - Scheduled Contract

Securities - Scheduled Contractual Maturities of AFS (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Amortized cost
Within One Year	$ 137,562
After One Year through Five Years	908,571
After Five Years through Ten Years	707,680
After Ten Years	7,890,564
Amortized Cost	9,644,377	$ 6,916,491
Fair value
Within One Year	135,806
After One Year through Five Years	850,152
After Five Years through Ten Years	623,808
After Ten Years	7,313,762
Total	$ 8,923,528
Weighted Average Yield
Within One Year	4.89%
After One Year through Five Years	1.50%
After Five Years through Ten Years	3.39%
After Ten Years	4.84%
Total	4.42%
U.S. Treasury securities
Amortized cost
Within One Year	$ 34,929
After One Year through Five Years	641,362
After Five Years through Ten Years	0
After Ten Years	0
Amortized Cost	676,291
Fair value
Within One Year	34,182
After One Year through Five Years	589,575
After Five Years through Ten Years	0
After Ten Years	0
Total	$ 623,757
Weighted Average Yield
Within One Year	1.83%
After One Year through Five Years	1.17%
After Five Years through Ten Years	0%
After Ten Years	0%
Total	1.21%
U.S. government agency and U.S. government-sponsored enterprise debt securities
Amortized cost
Within One Year	$ 1,238
After One Year through Five Years	44,158
After Five Years through Ten Years	127,831
After Ten Years	136,729
Amortized Cost	309,956
Fair value
Within One Year	1,208
After One Year through Five Years	41,133
After Five Years through Ten Years	107,143
After Ten Years	110,904
Total	$ 260,388
Weighted Average Yield
Within One Year	2.52%
After One Year through Five Years	1.07%
After Five Years through Ten Years	1.59%
After Ten Years	2.33%
Total	1.85%
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities
Amortized cost
Within One Year	$ 3,565
After One Year through Five Years	41,983
After Five Years through Ten Years	126,229
After Ten Years	6,283,304
Amortized Cost	6,455,081
Fair value
Within One Year	3,483
After One Year through Five Years	39,915
After Five Years through Ten Years	116,502
After Ten Years	6,003,765
Total	$ 6,163,665
Weighted Average Yield
Within One Year	2.74%
After One Year through Five Years	2.98%
After Five Years through Ten Years	2.82%
After Ten Years	5.46%
Total	5.39%
Municipal securities
Amortized cost
Within One Year	$ 3,605
After One Year through Five Years	33,531
After Five Years through Ten Years	9,619
After Ten Years	248,682
Amortized Cost	295,437
Fair value
Within One Year	3,543
After One Year through Five Years	31,354
After Five Years through Ten Years	8,793
After Ten Years	212,873
Total	$ 256,563
Weighted Average Yield
Within One Year	2.43%
After One Year through Five Years	2.29%
After Five Years through Ten Years	3.22%
After Ten Years	2.23%
Total	2.27%
Non-agency mortgage-backed securities
Amortized cost
Within One Year	$ 75,391
After One Year through Five Years	20,848
After Five Years through Ten Years	0
After Ten Years	828,788
Amortized Cost	925,027
Fair value
Within One Year	74,622
After One Year through Five Years	20,385
After Five Years through Ten Years	0
After Ten Years	700,248
Total	$ 795,255
Weighted Average Yield
Within One Year	6.89%
After One Year through Five Years	4%
After Five Years through Ten Years	0%
After Ten Years	2.50%
Total	2.89%
Corporate debt securities
Amortized cost
Within One Year	$ 0
After One Year through Five Years	0
After Five Years through Ten Years	349,501
After Ten Years	304,000
Amortized Cost	653,501
Fair value
Within One Year	0
After One Year through Five Years	0
After Five Years through Ten Years	297,135
After Ten Years	209,995
Total	$ 507,130
Weighted Average Yield
Within One Year	0%
After One Year through Five Years	0%
After Five Years through Ten Years	3.50%
After Ten Years	1.97%
Total	2.79%
Foreign government bonds
Amortized cost
Within One Year	$ 18,834
After One Year through Five Years	126,689
After Five Years through Ten Years	50,000
After Ten Years	50,000
Amortized Cost	245,523
Fair value
Within One Year	18,768
After One Year through Five Years	127,790
After Five Years through Ten Years	49,782
After Ten Years	37,384
Total	$ 233,724
Weighted Average Yield
Within One Year	3.61%
After One Year through Five Years	2.22%
After Five Years through Ten Years	5.72%
After Ten Years	1.50%
Total	2.89%
Asset-backed securities
Amortized cost
Within One Year	$ 0
After One Year through Five Years	0
After Five Years through Ten Years	0
After Ten Years	39,061
Amortized Cost	39,061
Fair value
Within One Year	0
After One Year through Five Years	0
After Five Years through Ten Years	0
After Ten Years	38,593
Total	$ 38,593
Weighted Average Yield
Within One Year	0%
After One Year through Five Years	0%
After Five Years through Ten Years	0%
After Ten Years	6.06%
Total	6.06%
Collateralized loan obligations (“CLOs”)
Amortized cost
Within One Year	$ 0
After One Year through Five Years	0
After Five Years through Ten Years	44,500
After Ten Years	0
Amortized Cost	44,500
Fair value
Within One Year	0
After One Year through Five Years	0
After Five Years through Ten Years	44,453
After Ten Years	0
Total	$ 44,453
Weighted Average Yield
Within One Year	0%
After One Year through Five Years	0%
After Five Years through Ten Years	6.79%
After Ten Years	0%
Total	6.79%

Securities - Scheduled Contra_2

Securities - Scheduled Contractual Maturities of HTM Debt Securities (Details) $ in Thousands	Jun. 30, 2024 USD ($)
Amortized cost
Within One Year	$ 0
After One Year through Five Years	537,071
After Five Years through Ten Years	462,340
After Ten Years	1,938,839
Total	2,938,250
Fair value
Within One Year	0
After One Year through Five Years	492,046
After Five Years through Ten Years	391,013
After Ten Years	1,522,168
Total	$ 2,405,227
Weighted Average Yield
Within One Year	0%
After One Year through Five Years	1.05%
After Five Years through Ten Years	1.83%
After Ten Years	1.79%
Total	1.66%
U.S. Treasury securities
Amortized cost
Within One Year	$ 0
After One Year through Five Years	532,294
After Five Years through Ten Years	0
After Ten Years	0
Total	532,294
Fair value
Within One Year	0
After One Year through Five Years	487,707
After Five Years through Ten Years	0
After Ten Years	0
Total	$ 487,707
Weighted Average Yield
Within One Year	0%
After One Year through Five Years	1.05%
After Five Years through Ten Years	0%
After Ten Years	0%
Total	1.05%
U.S. government agency and U.S. government-sponsored enterprise debt securities
Amortized cost
Within One Year	$ 0
After One Year through Five Years	0
After Five Years through Ten Years	367,841
After Ten Years	635,253
Total	1,003,094
Fair value
Within One Year	0
After One Year through Five Years	0
After Five Years through Ten Years	311,312
After Ten Years	491,583
Total	$ 802,895
Weighted Average Yield
Within One Year	0%
After One Year through Five Years	0%
After Five Years through Ten Years	1.89%
After Ten Years	1.90%
Total	1.90%
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities
Amortized cost
Within One Year	$ 0
After One Year through Five Years	4,777
After Five Years through Ten Years	94,499
After Ten Years	1,115,265
Total	1,214,541
Fair value
Within One Year	0
After One Year through Five Years	4,339
After Five Years through Ten Years	79,701
After Ten Years	888,215
Total	$ 972,255
Weighted Average Yield
Within One Year	0%
After One Year through Five Years	1.41%
After Five Years through Ten Years	1.61%
After Ten Years	1.70%
Total	1.69%
Municipal securities
Amortized cost
Within One Year	$ 0
After One Year through Five Years	0
After Five Years through Ten Years	0
After Ten Years	188,321
Total	188,321
Fair value
Within One Year	0
After One Year through Five Years	0
After Five Years through Ten Years	0
After Ten Years	142,370
Total	$ 142,370
Weighted Average Yield
Within One Year	0%
After One Year through Five Years	0%
After Five Years through Ten Years	0%
After Ten Years	2%
Total	2%

Securities - Schedule Of Restri

Securities - Schedule Of Restricted Equity Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Investments, Debt and Equity Securities [Abstract]
Federal Reserve Bank of San Francisco (“FRBSF”) stock	$ 63,248	$ 62,561
FHLB stock	101,916	17,250
Total restricted equity securities	$ 165,164	$ 79,811

Derivatives - Narrative (Detail

Derivatives - Narrative (Details)	6 Months Ended	12 Months Ended
	Jun. 30, 2024 USD ($) Contract	Dec. 31, 2023 USD ($) Contract
Derivative [Line Items]
Gross amounts recognized	$ 554,460,000	$ 610,920,000
Derivative liabilities - Fair value	613,145,000	613,314,000
Derivative instruments designated as hedging instruments
Derivative [Line Items]
Gross amounts recognized	11,484,000	53,815,000
Derivative liabilities - Fair value	54,557,000	13,124,000
Notional amount	5,250,000,000	5,331,480,000
Derivatives not designated as hedging instruments
Derivative [Line Items]
Gross amounts recognized	542,976,000	557,105,000
Derivative liabilities - Fair value	558,588,000	600,190,000
Notional amount	20,910,536,000	23,333,449,000
Interest rate contracts | Derivatives not designated as hedging instruments
Derivative [Line Items]
Gross amounts recognized	448,106,000	423,486,000
Derivative liabilities - Fair value	446,957,000	420,812,000
Notional amount	16,927,202,000	17,387,909,000
Interest rate contracts | Derivatives not designated as hedging instruments | LCH
Derivative [Line Items]
Gross amounts recognized	28,000,000	43,000,000
Derivative liabilities - Fair value	37,000,000	43,000,000
Interest rate contracts | Cash Flow Hedging | Derivative instruments designated as hedging instruments
Derivative [Line Items]
Gross amounts recognized	11,484,000	50,421,000
Derivative liabilities - Fair value	54,557,000	13,124,000
Notional amount	5,250,000,000	5,250,000,000
Net unrealized losses, net of tax, recorded in AOCI expected to be reclassified into earnings during next 12 months	43,000,000
Foreign exchange contracts | Derivatives not designated as hedging instruments
Derivative [Line Items]
Gross amounts recognized	33,684,000	53,678,000
Derivative liabilities - Fair value	25,598,000	42,564,000
Notional amount	$ 3,865,583,000	$ 5,827,149,000
Foreign exchange contracts | Derivatives not designated as hedging instruments | Maximum
Derivative [Line Items]
Original maturity (in years)	1 year	1 year
Credit contracts | Derivatives not designated as hedging instruments
Derivative [Line Items]
Gross amounts recognized	$ 0	$ 1,000
Derivative liabilities - Fair value	14,000	25,000
Notional amount	$ 117,751,000	$ 118,391,000
Credit contracts | Derivatives not designated as hedging instruments | RPAs
Derivative [Line Items]
Weighted average remaining maturity of outstanding RPAs	2 years 3 months 18 days	2 years 9 months 18 days
Maximum exposure of RPAs with protection sold	$ 63,000	$ 177,000
Credit contracts | Derivatives not designated as hedging instruments | Long
Derivative [Line Items]
Notional amount	$ 25,000,000	$ 25,000,000
Number of instruments held | Contract	1	1
Credit-risk-related contingent features
Derivative [Line Items]
Aggregate fair value of derivative instruments in net liability position	$ 2,000,000	$ 9,000
Collateral posted	2,000,000	$ 0
Commercial Banking | Interest rate contracts | Cash Flow Hedging | Derivative instruments designated as hedging instruments
Derivative [Line Items]
Notional amount	$ 5,300,000,000

Derivatives - Schedule Of Notio

Derivatives - Schedule Of Notional And Gross Fair Values Of Derivatives (Details) MMBTU in Thousands, Boe in Thousands, $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2024 USD ($) MMBTU Boe company shares	Dec. 31, 2023 USD ($) Boe MMBTU company shares
Derivative Assets
Derivative assets - Fair value	$ 554,460	$ 610,920
Less: Master Netting Arrangements	(106,525)	(75,534)
Less: Cash collateral received	(335,285)	(237,258)
Net derivative assets	112,650	298,128
Derivative Liabilities
Gross amounts recognized	613,145	613,314
Less: Master Netting Arrangements	(106,525)	(75,534)
Amount used to offset against derivative liabilities	(2,665)	(636)
Net derivative liabilities	$ 503,955	$ 537,144
Performance-Based RSUs | Rayliant Global Advisors Limited
Derivative Liabilities
Derivative liability granted number of shares | shares	349,138	349,138
Crude oil
Derivative Liabilities
Derivative, nonmonetary notional amount, energy measure | Boe	18,230	18,631
Natural gas
Derivative Liabilities
Derivative, nonmonetary notional amount, energy measure | MMBTU	421,525	328,844
Derivative instruments designated as hedging instruments
Derivative Instruments
Notional amount	$ 5,250,000	$ 5,331,480
Derivative Assets
Derivative assets - Fair value	11,484	53,815
Derivative Liabilities
Gross amounts recognized	54,557	13,124
Derivatives not designated as hedging instruments
Derivative Instruments
Notional amount	20,910,536	23,333,449
Derivative Assets
Derivative assets - Fair value	542,976	557,105
Derivative Liabilities
Gross amounts recognized	558,588	600,190
Interest rate contracts | Derivatives not designated as hedging instruments
Derivative Instruments
Notional amount	16,927,202	17,387,909
Derivative Assets
Derivative assets - Fair value	448,106	423,486
Derivative Liabilities
Gross amounts recognized	446,957	420,812
Interest rate contracts | Cash Flow Hedging | Derivative instruments designated as hedging instruments
Derivative Instruments
Notional amount	5,250,000	5,250,000
Derivative Assets
Derivative assets - Fair value	11,484	50,421
Derivative Liabilities
Gross amounts recognized	54,557	13,124
Commodity contracts | Derivatives not designated as hedging instruments
Derivative Instruments
Notional amount	0	0
Derivative Assets
Derivative assets - Fair value	60,946	79,604
Derivative Liabilities
Gross amounts recognized	70,900	121,670
Foreign exchange contracts | Derivatives not designated as hedging instruments
Derivative Instruments
Notional amount	3,865,583	5,827,149
Derivative Assets
Derivative assets - Fair value	33,684	53,678
Derivative Liabilities
Gross amounts recognized	25,598	42,564
Foreign exchange contracts | Net Investment Hedging | Derivative instruments designated as hedging instruments
Derivative Instruments
Notional amount	0	81,480
Derivative Assets
Derivative assets - Fair value	0	3,394
Derivative Liabilities
Gross amounts recognized	0	0
Credit contracts | Derivatives not designated as hedging instruments
Derivative Instruments
Notional amount	117,751	118,391
Derivative Assets
Derivative assets - Fair value	0	1
Derivative Liabilities
Gross amounts recognized	14	25
Equity contracts | Derivatives not designated as hedging instruments
Derivative Instruments
Notional amount	0	0
Derivative Assets
Derivative assets - Fair value	240	336
Derivative Liabilities
Gross amounts recognized	$ 15,119	$ 15,119
Public Companies | Derivatives not designated as hedging instruments
Derivative Liabilities
Number of companies that issued the equity (issuers portion only) | company	1	1
Private Companies | Derivatives not designated as hedging instruments
Derivative Liabilities
Number of companies that issued the equity (issuers portion only) | company	10	11

Derivatives - Schedule Of Pre-T

Derivatives - Schedule Of Pre-Tax Changes In AOCI From Cash Flows Hedges (Details) - Derivative instruments designated as hedging instruments - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Interest rate contracts | Cash Flow Hedging
Derivative [Line Items]
Gains (losses) recognized in AOCI:	$ 25,095	$ (96,457)	$ 115,471	$ (66,614)
Gains (losses) reclassified from AOCI into earnings:	(24,594)	(20,252)	(49,199)	(30,896)
Interest rate contracts | Cash Flow Hedging | Interest expense (for cash flow hedges on borrowings)
Derivative [Line Items]
Gains (losses) reclassified from AOCI into earnings:	0	0	0	696
Interest rate contracts | Cash Flow Hedging | Interest and dividend income (for cash flow hedges on loans)
Derivative [Line Items]
Gains (losses) reclassified from AOCI into earnings:	(24,594)	(20,252)	(49,199)	(33,206)
Interest rate contracts | Cash Flow Hedging | Noninterest income
Derivative [Line Items]
Gains (losses) reclassified from AOCI into earnings:	0	0	0	1,614
Foreign exchange contracts | Net Investment Hedging
Derivative [Line Items]
Gains recognized in AOCI	$ 0	$ 3,899	$ 586	$ 2,823

Derivatives - Schedule of Deriv

Derivatives - Schedule of Derivatives Not Designated as Hedging Instruments (Details) MMBTU in Thousands, Boe in Thousands, $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2024 USD ($) MMBTU Boe	Dec. 31, 2023 USD ($) MMBTU Boe
Derivative [Line Items]
Derivative assets - Fair value	$ 554,460	$ 610,920
Derivative liabilities - Fair value	$ 613,145	$ 613,314
Crude oil
Derivative [Line Items]
Derivative, nonmonetary notional amount, energy measure | Boe	18,230	18,631
Natural gas
Derivative [Line Items]
Derivative, nonmonetary notional amount, energy measure | MMBTU	421,525	328,844
Customer-related positions:
Derivative [Line Items]
Notional amount	$ 10,275,709	$ 11,362,194
Derivative assets - Fair value	25,288	43,195
Derivative liabilities - Fair value	450,291	419,499
Other economic hedges:
Derivative [Line Items]
Notional amount	10,517,076	11,852,864
Derivative assets - Fair value	456,502	433,969
Derivative liabilities - Fair value	22,264	43,877
Interest rate contracts | Customer-related positions:
Derivative [Line Items]
Notional amount	8,454,618	8,681,085
Derivative assets - Fair value	9,825	26,089
Derivative liabilities - Fair value	436,305	394,625
Interest rate contracts | Other economic hedges:
Derivative [Line Items]
Notional amount	8,472,584	8,706,824
Derivative assets - Fair value	438,281	397,397
Derivative liabilities - Fair value	10,652	26,187
Interest rate contracts | Swaps | Customer-related positions:
Derivative [Line Items]
Notional amount	6,826,308	6,835,822
Derivative assets - Fair value	9,729	25,649
Derivative liabilities - Fair value	423,880	377,388
Interest rate contracts | Swaps | Other economic hedges:
Derivative [Line Items]
Notional amount	6,844,274	6,861,561
Derivative assets - Fair value	425,796	380,123
Derivative liabilities - Fair value	10,552	25,731
Interest rate contracts | Written options | Customer-related positions:
Derivative [Line Items]
Notional amount	1,369,229	1,522,531
Derivative assets - Fair value	0	0
Derivative liabilities - Fair value	9,929	12,756
Interest rate contracts | Collars and corridors | Customer-related positions:
Derivative [Line Items]
Notional amount	259,081	322,732
Derivative assets - Fair value	96	440
Derivative liabilities - Fair value	2,496	4,481
Interest rate contracts | Collars and corridors | Other economic hedges:
Derivative [Line Items]
Notional amount	259,081	322,732
Derivative assets - Fair value	2,504	4,491
Derivative liabilities - Fair value	100	456
Interest rate contracts | Purchased options | Other economic hedges:
Derivative [Line Items]
Notional amount	1,369,229	1,522,531
Derivative assets - Fair value	9,981	12,783
Derivative liabilities - Fair value	0	0
Foreign exchange contracts | Customer-related positions:
Derivative [Line Items]
Notional amount	1,821,091	2,681,109
Derivative assets - Fair value	15,463	17,106
Derivative liabilities - Fair value	13,986	24,874
Foreign exchange contracts | Other economic hedges:
Derivative [Line Items]
Notional amount	2,044,492	3,146,040
Derivative assets - Fair value	18,221	36,572
Derivative liabilities - Fair value	11,612	17,690
Foreign exchange contracts | Swaps | Customer-related positions:
Derivative [Line Items]
Notional amount	1,197,938	1,588,491
Derivative assets - Fair value	7,515	5,801
Derivative liabilities - Fair value	10,558	18,118
Foreign exchange contracts | Swaps | Other economic hedges:
Derivative [Line Items]
Notional amount	1,889,946	2,862,037
Derivative assets - Fair value	18,169	36,280
Derivative liabilities - Fair value	9,433	15,757
Foreign exchange contracts | Written options | Other economic hedges:
Derivative [Line Items]
Notional amount	88,000	136,000
Derivative assets - Fair value	0	0
Derivative liabilities - Fair value	2,051	1,839
Foreign exchange contracts | Forwards and spot | Customer-related positions:
Derivative [Line Items]
Notional amount	535,153	956,618
Derivative assets - Fair value	5,897	9,466
Derivative liabilities - Fair value	3,428	6,756
Foreign exchange contracts | Forwards and spot | Other economic hedges:
Derivative [Line Items]
Notional amount	66,546	148,003
Derivative assets - Fair value	52	292
Derivative liabilities - Fair value	128	94
Foreign exchange contracts | Purchased options | Customer-related positions:
Derivative [Line Items]
Notional amount	88,000	136,000
Derivative assets - Fair value	2,051	1,839
Derivative liabilities - Fair value	0	0
Commodity contracts | Customer-related positions:
Derivative [Line Items]
Derivative assets - Fair value	25,480	6,014
Derivative liabilities - Fair value	56,903	114,974
Commodity contracts | Customer-related positions: | Crude oil
Derivative [Line Items]
Derivative assets - Fair value	22,263	5,555
Derivative liabilities - Fair value	$ 900	$ 20,548
Derivative, nonmonetary notional amount, energy measure | Boe	9,087	9,243
Commodity contracts | Customer-related positions: | Natural gas
Derivative [Line Items]
Derivative assets - Fair value	$ 3,217	$ 459
Derivative liabilities - Fair value	$ 56,003	$ 94,426
Derivative, nonmonetary notional amount, energy measure | MMBTU	212,324	166,053
Commodity contracts | Other economic hedges:
Derivative [Line Items]
Derivative assets - Fair value	$ 35,466	$ 73,590
Derivative liabilities - Fair value	13,997	6,696
Commodity contracts | Other economic hedges: | Crude oil
Derivative [Line Items]
Derivative assets - Fair value	1,311	10,851
Derivative liabilities - Fair value	$ 12,854	$ 6,391
Derivative, nonmonetary notional amount, energy measure | Boe	9,143	9,388
Commodity contracts | Other economic hedges: | Natural gas
Derivative [Line Items]
Derivative assets - Fair value	$ 34,155	$ 62,739
Derivative liabilities - Fair value	$ 1,143	$ 305
Derivative, nonmonetary notional amount, energy measure | MMBTU	209,201	162,791
Commodity contracts | Swaps | Customer-related positions: | Crude oil
Derivative [Line Items]
Derivative assets - Fair value	$ 13,897	$ 3,735
Derivative liabilities - Fair value	$ 857	$ 15,445
Derivative, nonmonetary notional amount, energy measure | Boe	3,907	3,277
Commodity contracts | Swaps | Customer-related positions: | Natural gas
Derivative [Line Items]
Derivative assets - Fair value	$ 1,796	$ 438
Derivative liabilities - Fair value	$ 43,998	$ 73,793
Derivative, nonmonetary notional amount, energy measure | MMBTU	148,337	118,325
Commodity contracts | Swaps | Other economic hedges: | Crude oil
Derivative [Line Items]
Derivative assets - Fair value	$ 1,308	$ 9,166
Derivative liabilities - Fair value	$ 10,871	$ 4,924
Derivative, nonmonetary notional amount, energy measure | Boe	3,963	3,422
Commodity contracts | Swaps | Other economic hedges: | Natural gas
Derivative [Line Items]
Derivative assets - Fair value	$ 28,395	$ 49,941
Derivative liabilities - Fair value	$ 391	$ 305
Derivative, nonmonetary notional amount, energy measure | MMBTU	145,824	116,463
Commodity contracts | Written options | Customer-related positions: | Natural gas
Derivative [Line Items]
Derivative assets - Fair value	$ 124	$ 0
Derivative liabilities - Fair value	$ 0	$ 233
Derivative, nonmonetary notional amount, energy measure | MMBTU	1,710	1,874
Commodity contracts | Purchased options | Other economic hedges: | Natural gas
Derivative [Line Items]
Derivative assets - Fair value	$ 0	$ 233
Derivative liabilities - Fair value	$ 104	$ 0
Derivative, nonmonetary notional amount, energy measure | MMBTU	1,710	1,874
Commodity contracts | Collars | Customer-related positions: | Crude oil
Derivative [Line Items]
Derivative assets - Fair value	$ 8,366	$ 1,820
Derivative liabilities - Fair value	$ 43	$ 5,103
Derivative, nonmonetary notional amount, energy measure | Boe	5,180	5,966
Commodity contracts | Collars | Customer-related positions: | Natural gas
Derivative [Line Items]
Derivative assets - Fair value	$ 1,297	$ 21
Derivative liabilities - Fair value	$ 12,005	$ 20,400
Derivative, nonmonetary notional amount, energy measure | MMBTU	62,277	45,854
Commodity contracts | Collars | Other economic hedges: | Crude oil
Derivative [Line Items]
Derivative assets - Fair value	$ 3	$ 1,685
Derivative liabilities - Fair value	$ 1,983	$ 1,467
Derivative, nonmonetary notional amount, energy measure | Boe	5,180	5,966
Commodity contracts | Collars | Other economic hedges: | Natural gas
Derivative [Line Items]
Derivative assets - Fair value	$ 5,760	$ 12,565
Derivative liabilities - Fair value	$ 648	$ 0
Derivative, nonmonetary notional amount, energy measure | MMBTU	61,667	44,454

Derivatives - Schedule Of The N

Derivatives - Schedule Of The Net (Losses) Gains Recognized On The Company’s Consolidated Statement of Income Related To Derivatives Not Designated as Hedging Instruments (Details) - Derivatives not designated as hedging instruments - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Derivative Instruments, Gain (Loss) [Line Items]
Net gains	$ 15,793	$ 21,278	$ 29,180	$ 29,192
Interest rate contracts | Customer derivative income
Derivative Instruments, Gain (Loss) [Line Items]
Net gains	1,099	1,222	1,583	(1,261)
Foreign exchange contracts | Foreign exchange income
Derivative Instruments, Gain (Loss) [Line Items]
Net gains	14,349	19,898	27,129	30,340
Credit contracts | Customer derivative income
Derivative Instruments, Gain (Loss) [Line Items]
Net gains	2	12	(3)	7
Equity contracts | Lending fees
Derivative Instruments, Gain (Loss) [Line Items]
Net gains	(90)	(14)	(96)	(60)
Commodity contracts | Customer derivative income
Derivative Instruments, Gain (Loss) [Line Items]
Net gains	$ 433	$ 160	$ 567	$ 166

Derivatives - Schedule Of Gross

Derivatives - Schedule Of Gross Derivative Fair Values, The Balance Sheet Netting Adjustments And The Resulting Net Fair Values Recorded, Cash and Non-Cash Collateral Associated With Master Netting Arrangements (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Derivative assets
Derivative assets - Fair value	$ 554,460	$ 610,920
Less: Master netting agreements	(106,525)	(75,534)
Less: Cash collateral received	(335,285)	(237,258)
Net derivative assets	112,650	298,128
Less: Security Collateral Received	(78,411)	(246,259)
Derivative Asset, Including Not Subject to Master Netting Arrangement, after Offset and Deduction, Total	34,239	51,869
Contracts not subject to master netting arrangements, gross amounts recognized	3,000	3,000
Derivative, cash collateral received, including amount offset by fair value assets, and excess cash amount	(356,000)	244,000
Derivative liabilities
Gross amounts recognized	613,145	613,314
Less: Master netting agreements	(106,525)	(75,534)
Less: Cash collateral received	(2,665)	(636)
Net derivative liabilities	503,955	537,144
Less: Security Collateral Pledged	0	0
Derivative Liability, Including Not Subject to Master Netting Arrangement, after Offset and Deduction, Total	503,955	537,144
Contracts not subject to master netting arrangements, gross amounts recognized	17,000	16,000
Derivative, cash collateral posted against derivative liabilities, including amount offset the derivative fair value liabilities, and excess cash amount	$ 3,000	$ 1,000
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Accrued expenses and other liabilities	Accrued expenses and other liabilities

Loans Receivable and Allowanc_3

Loans Receivable and Allowance for Credit Losses - Schedule Of Composition Of Loans Held-For-Investment (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Jun. 30, 2023	Mar. 31, 2023	Jan. 01, 2023	Dec. 31, 2022
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES
Loans held-for-investment	$ 52,767,909		$ 52,210,782
Allowance for loan losses	(683,794)	$ (670,280)	(668,743)	$ (635,400)	$ (619,893)	$ (601,673)	$ (595,645)
Loans held-for-investment, net	52,084,115		51,542,039
Net deferred loan fees and net unamortized premiums	(53,000)		(71,000)
Commercial lending
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES
Loans held-for-investment	37,202,607		37,045,191
Commercial lending | C&I
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES
Loans held-for-investment	16,875,009		16,581,079
Allowance for loan losses	(379,984)	(373,631)	(392,685)	(375,333)	(376,325)	(377,383)	(371,700)
Commercial lending | CRE
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES
Loans held-for-investment	14,562,595		14,777,081
Allowance for loan losses	(194,794)	(187,460)	(170,592)	(168,505)	(155,067)	(150,201)	(149,864)
Commercial lending | Construction and land
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES
Loans held-for-investment	664,793		663,868
Allowance for loan losses	(14,322)	(10,819)	(10,469)	(11,325)	(9,322)	(9,109)	(9,109)
Commercial lending | Total CRE
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES
Loans held-for-investment	20,327,598		20,464,112
Commercial lending | Multifamily residential
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES
Loans held-for-investment	5,100,210		5,023,163
Allowance for loan losses	(40,254)	(37,418)	(34,375)	(22,938)	(24,526)	(23,379)	(23,373)
Consumer lending
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES
Loans held-for-investment	15,565,302		15,165,591
Consumer lending | HELOCs
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES
Loans held-for-investment	1,761,379		1,722,204
Allowance for loan losses	(3,340)	(3,563)	(3,947)	(4,526)	(4,971)	(4,476)	(4,475)
Consumer lending | Total residential mortgage
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES
Loans held-for-investment	15,509,148		15,105,264
Consumer lending | Other consumer
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES
Loans held-for-investment	56,154		60,327
Allowance for loan losses	(1,577)	(1,467)	(1,657)	(1,260)	(1,675)	(1,560)	(1,560)
Consumer lending | Single-family residential
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES
Loans held-for-investment	13,747,769		13,383,060
Allowance for loan losses	$ (49,523)	$ (55,922)	$ (55,018)	$ (51,513)	$ (48,007)	$ (35,565)	$ (35,564)

Loans Receivable and Allowanc_4

Loans Receivable and Allowance for Credit Losses - Composition of Loans Held-for-Investment- Narrative (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES
Accrued interest receivable	$ 266,000	$ 267,000
Total	52,767,909	52,210,782
Asset Pledged as Collateral
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES
Total	$ 37,000,000	$ 37,200,000

Loans Receivable and Allowanc_5

Loans Receivable and Allowance for Credit Losses - Schedule Of Loans Held-For-Investment By Loan Portfolio Segments, Internal Risk Ratings, Gross Write-Offs And Vintage Year (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	$ 3,147,050		$ 3,147,050		$ 9,030,294
Year 2	8,433,178		8,433,178		10,960,065
Year 3	10,312,217		10,312,217		6,936,329
Year 4	6,329,875		6,329,875		4,082,547
Year 5	3,868,962		3,868,962		3,402,102
Prior	8,229,750		8,229,750		5,723,462
Revolving Loans	12,226,783		12,226,783		11,860,890
Revolving Loans Converted to Term Loans	220,094		220,094		215,093
Total	52,767,909		52,767,909		52,210,782
Gross write-offs Total	1,000	$ 308	1,000	$ 1,000
Pass
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	3,128,710		3,128,710		8,877,690
Year 2	8,305,584		8,305,584		10,839,026
Year 3	10,082,566		10,082,566		6,723,921
Year 4	6,159,375		6,159,375		4,010,720
Year 5	3,791,393		3,791,393		3,326,731
Prior	7,921,484		7,921,484		5,504,224
Revolving Loans	12,097,705		12,097,705		11,739,785
Revolving Loans Converted to Term Loans	200,849		200,849		210,475
Total	51,687,666		51,687,666		51,232,572
Pass | Federal Housing Administration Loan
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Total Nonaccrual Loans	1,000		1,000		1,000
Criticized (accrual)
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	11,884		11,884		145,219
Year 2	98,737		98,737		111,430
Year 3	188,287		188,287		207,962
Year 4	145,999		145,999		64,855
Year 5	71,586		71,586		67,738
Prior	255,693		255,693		158,049
Revolving Loans	127,930		127,930		119,744
Revolving Loans Converted to Term Loans	15,278		15,278		1,089
Total	915,394		915,394		876,086
Criticized (nonaccrual)
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	6,456		6,456		7,385
Year 2	28,857		28,857		9,609
Year 3	41,364		41,364		4,446
Year 4	24,501		24,501		6,972
Year 5	5,983		5,983		7,633
Prior	52,573		52,573		61,189
Revolving Loans	1,148		1,148		1,361
Revolving Loans Converted to Term Loans	3,967		3,967		3,529
Total	164,849		164,849		102,124
Gross write-offs
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Gross write-offs year 1			0		350
Gross write-offs year 2			337		10,454
Gross write-offs year 3			13,897		424
Gross write-offs year 4			14,342		3,758
Gross write-offs year 5			1,212		9,748
Gross write-offs Prior			3,804		4,021
Gross write-offs Revolving Loans			41		1,593
Gross write-offs Revolving Loans Converted to Term Loans			0		6
Gross write-offs Total			33,633		30,354
Consumer Loan
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Converted to term loan	18,000	10,000	28,000	14,000
Commercial lending
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	1,973,476		1,973,476		5,827,011
Year 2	5,449,327		5,449,327		7,589,913
Year 3	7,063,376		7,063,376		4,647,905
Year 4	4,145,296		4,145,296		2,481,175
Year 5	2,356,491		2,356,491		2,414,789
Prior	5,513,403		5,513,403		3,719,778
Revolving Loans	10,611,769		10,611,769		10,280,425
Revolving Loans Converted to Term Loans	89,469		89,469		84,195
Total	37,202,607		37,202,607		37,045,191
Converted to term loan	1,000	$ 1,000	8,000	$ 14,000
Commercial lending | Gross write-offs
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Gross write-offs year 1			0		350
Gross write-offs year 2			337		10,454
Gross write-offs year 3			13,897		424
Gross write-offs year 4			14,342		3,758
Gross write-offs year 5			1,212		9,748
Gross write-offs Prior			3,795		3,980
Gross write-offs Revolving Loans			19		1,593
Gross write-offs Revolving Loans Converted to Term Loans			0		0
Gross write-offs Total			33,602		30,307
Commercial lending | C&I
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	1,058,067		1,058,067		2,421,686
Year 2	2,058,395		2,058,395		1,704,375
Year 3	1,387,063		1,387,063		1,417,641
Year 4	1,137,494		1,137,494		351,865
Year 5	291,683		291,683		289,072
Prior	424,384		424,384		204,394
Revolving Loans	10,494,375		10,494,375		10,171,903
Revolving Loans Converted to Term Loans	23,548		23,548		20,143
Total	16,875,009		16,875,009		16,581,079
Commercial lending | C&I | Pass
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	1,053,645		1,053,645		2,314,463
Year 2	2,013,510		2,013,510		1,628,560
Year 3	1,248,640		1,248,640		1,296,936
Year 4	1,047,295		1,047,295		331,982
Year 5	286,440		286,440		245,173
Prior	352,329		352,329		164,159
Revolving Loans	10,369,005		10,369,005		10,053,757
Revolving Loans Converted to Term Loans	23,548		23,548		20,143
Total	16,394,412		16,394,412		16,055,173
Commercial lending | C&I | Criticized (accrual)
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	511		511		105,119
Year 2	30,279		30,279		67,899
Year 3	115,671		115,671		120,574
Year 4	80,715		80,715		15,064
Year 5	1,908		1,908		40,920
Prior	60,126		60,126		22,098
Revolving Loans	124,427		124,427		117,196
Revolving Loans Converted to Term Loans	0		0		0
Total	413,637		413,637		488,870
Commercial lending | C&I | Criticized (nonaccrual)
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	3,911		3,911		2,104
Year 2	14,606		14,606		7,916
Year 3	22,752		22,752		131
Year 4	9,484		9,484		4,819
Year 5	3,335		3,335		2,979
Prior	11,929		11,929		18,137
Revolving Loans	943		943		950
Revolving Loans Converted to Term Loans	0		0		0
Total	66,960		66,960		37,036
Commercial lending | C&I | Gross write-offs
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Gross write-offs year 1			0		350
Gross write-offs year 2			337		10,454
Gross write-offs year 3			11,753		424
Gross write-offs year 4			14,342		3,758
Gross write-offs year 5			1,212		9,748
Gross write-offs Prior			1,528		2,648
Gross write-offs Revolving Loans			19		1,593
Gross write-offs Revolving Loans Converted to Term Loans			0		0
Gross write-offs Total			29,191		28,975
Commercial lending | CRE
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	737,902		737,902		2,529,770
Year 2	2,405,458		2,405,458		4,120,870
Year 3	3,941,555		3,941,555		2,246,593
Year 4	2,095,729		2,095,729		1,476,974
Year 5	1,439,861		1,439,861		1,625,725
Prior	3,777,306		3,777,306		2,621,527
Revolving Loans	100,131		100,131		92,851
Revolving Loans Converted to Term Loans	64,653		64,653		62,771
Total	14,562,595		14,562,595		14,777,081
Commercial lending | CRE | Pass
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	726,897		726,897		2,492,915
Year 2	2,337,637		2,337,637		4,086,385
Year 3	3,885,787		3,885,787		2,216,257
Year 4	2,053,076		2,053,076		1,428,724
Year 5	1,371,437		1,371,437		1,600,844
Prior	3,573,736		3,573,736		2,494,382
Revolving Loans	100,131		100,131		92,851
Revolving Loans Converted to Term Loans	49,863		49,863		62,771
Total	14,098,564		14,098,564		14,475,129
Commercial lending | CRE | Criticized (accrual)
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	11,005		11,005		36,855
Year 2	66,071		66,071		34,485
Year 3	55,768		55,768		30,336
Year 4	31,633		31,633		48,250
Year 5	67,955		67,955		24,437
Prior	185,529		185,529		104,340
Revolving Loans	0		0		0
Revolving Loans Converted to Term Loans	14,790		14,790		0
Total	432,751		432,751		278,703
Commercial lending | CRE | Criticized (nonaccrual)
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	0		0		0
Year 2	1,750		1,750		0
Year 3	0		0		0
Year 4	11,020		11,020		0
Year 5	469		469		444
Prior	18,041		18,041		22,805
Revolving Loans	0		0		0
Revolving Loans Converted to Term Loans	0		0		0
Total	31,280		31,280		23,249
Commercial lending | CRE | Gross write-offs
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Gross write-offs year 1			0		0
Gross write-offs year 2			0		0
Gross write-offs year 3			0		0
Gross write-offs year 4			0		0
Gross write-offs year 5			0		0
Gross write-offs Prior			2,261		1,329
Gross write-offs Revolving Loans			0		0
Gross write-offs Revolving Loans Converted to Term Loans			0		0
Gross write-offs Total			2,261		1,329
Commercial lending | Construction and land
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	15,157		15,157		209,775
Year 2	314,253		314,253		280,151
Year 3	240,876		240,876		120,724
Year 4	88,236		88,236		39,928
Year 5	0		0		808
Prior	6,271		6,271		5,501
Revolving Loans	0		0		6,981
Revolving Loans Converted to Term Loans	0		0		0
Total	664,793		664,793		663,868
Commercial lending | Construction and land | Pass
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	15,157		15,157		209,775
Year 2	314,253		314,253		280,151
Year 3	228,865		228,865		120,724
Year 4	88,236		88,236		39,928
Year 5	0		0		808
Prior	6,271		6,271		5,501
Revolving Loans	0		0		6,981
Revolving Loans Converted to Term Loans	0		0		0
Total	652,782		652,782		663,868
Commercial lending | Construction and land | Criticized (accrual)
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	0		0
Year 2	0		0
Year 3	695		695
Year 4	0		0
Year 5	0		0
Prior	0		0
Revolving Loans	0		0
Revolving Loans Converted to Term Loans	0		0
Total	695		695
Commercial lending | Construction and land | Criticized (nonaccrual)
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	0		0
Year 2	0		0
Year 3	11,316		11,316
Year 4	0		0
Year 5	0		0
Prior	0		0
Revolving Loans	0		0
Revolving Loans Converted to Term Loans	0		0
Total	11,316		11,316
Commercial lending | Construction and land | Gross write-offs
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Gross write-offs year 1			0
Gross write-offs year 2			0
Gross write-offs year 3			2,144
Gross write-offs year 4			0
Gross write-offs year 5			0
Gross write-offs Prior			0
Gross write-offs Revolving Loans			0
Gross write-offs Revolving Loans Converted to Term Loans			0
Gross write-offs Total			2,144
Commercial lending | Total CRE
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	915,409		915,409		3,405,325
Year 2	3,390,932		3,390,932		5,885,538
Year 3	5,676,313		5,676,313		3,230,264
Year 4	3,007,802		3,007,802		2,129,310
Year 5	2,064,808		2,064,808		2,125,717
Prior	5,089,019		5,089,019		3,515,384
Revolving Loans	117,394		117,394		108,522
Revolving Loans Converted to Term Loans	65,921		65,921		64,052
Total	20,327,598		20,327,598		20,464,112
Commercial lending | Total CRE | Gross write-offs
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Gross write-offs year 1			0		0
Gross write-offs year 2			0		0
Gross write-offs year 3			2,144		0
Gross write-offs year 4			0		0
Gross write-offs year 5			0		0
Gross write-offs Prior			2,267		1,332
Gross write-offs Revolving Loans			0		0
Gross write-offs Revolving Loans Converted to Term Loans			0		0
Gross write-offs Total			4,411		1,332
Commercial lending | Multifamily residential
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	162,350		162,350		665,780
Year 2	671,221		671,221		1,484,517
Year 3	1,493,882		1,493,882		862,947
Year 4	823,837		823,837		612,408
Year 5	624,947		624,947		499,184
Prior	1,305,442		1,305,442		888,356
Revolving Loans	17,263		17,263		8,690
Revolving Loans Converted to Term Loans	1,268		1,268		1,281
Total	5,100,210		5,100,210		5,023,163
Commercial lending | Multifamily residential | Pass
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	162,350		162,350		665,780
Year 2	671,221		671,221		1,481,161
Year 3	1,480,502		1,480,502		808,333
Year 4	792,114		792,114		612,408
Year 5	624,947		624,947		498,491
Prior	1,297,867		1,297,867		857,713
Revolving Loans	17,263		17,263		8,690
Revolving Loans Converted to Term Loans	1,268		1,268		1,281
Total	5,047,532		5,047,532		4,933,857
Commercial lending | Multifamily residential | Criticized (accrual)
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	0		0		0
Year 2	0		0		3,356
Year 3	13,380		13,380		54,614
Year 4	31,723		31,723		0
Year 5	0		0		693
Prior	2,968		2,968		25,974
Revolving Loans	0		0		0
Revolving Loans Converted to Term Loans	0		0		0
Total	48,071		48,071		84,637
Commercial lending | Multifamily residential | Criticized (nonaccrual)
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	0		0		0
Year 2	0		0		0
Year 3	0		0		0
Year 4	0		0		0
Year 5	0		0		0
Prior	4,607		4,607		4,669
Revolving Loans	0		0		0
Revolving Loans Converted to Term Loans	0		0		0
Total	4,607		4,607		4,669
Commercial lending | Multifamily residential | Gross write-offs
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Gross write-offs year 1			0		0
Gross write-offs year 2			0		0
Gross write-offs year 3			0		0
Gross write-offs year 4			0		0
Gross write-offs year 5			0		0
Gross write-offs Prior			6		3
Gross write-offs Revolving Loans			0		0
Gross write-offs Revolving Loans Converted to Term Loans			0		0
Gross write-offs Total			6		3
Consumer lending
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	1,173,574		1,173,574		3,203,283
Year 2	2,983,851		2,983,851		3,370,152
Year 3	3,248,841		3,248,841		2,288,424
Year 4	2,184,579		2,184,579		1,601,372
Year 5	1,512,471		1,512,471		987,313
Prior	2,716,347		2,716,347		2,003,684
Revolving Loans	1,615,014		1,615,014		1,580,465
Revolving Loans Converted to Term Loans	130,625		130,625		130,898
Total	15,565,302		15,565,302		15,165,591
Consumer lending | Gross write-offs
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Gross write-offs year 1			0		0
Gross write-offs year 2			0		0
Gross write-offs year 3			0		0
Gross write-offs year 4			0		0
Gross write-offs year 5			0		0
Gross write-offs Prior			9		41
Gross write-offs Revolving Loans			22		0
Gross write-offs Revolving Loans Converted to Term Loans			0		6
Gross write-offs Total			31		47
Consumer lending | HELOCs
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	4,899		4,899		5,021
Year 2	6,226		6,226		5,957
Year 3	7,879		7,879		4,019
Year 4	3,845		3,845		3,326
Year 5	4,450		4,450		1,498
Prior	13,759		13,759		17,584
Revolving Loans	1,589,696		1,589,696		1,553,901
Revolving Loans Converted to Term Loans	130,625		130,625		130,898
Total	1,761,379		1,761,379		1,722,204
Consumer lending | HELOCs | Pass
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	4,382		4,382		3,641
Year 2	3,797		3,797		3,882
Year 3	4,712		4,712		1,734
Year 4	2,576		2,576		3,153
Year 5	3,847		3,847		729
Prior	8,253		8,253		9,251
Revolving Loans	1,589,193		1,589,193		1,551,074
Revolving Loans Converted to Term Loans	126,170		126,170		126,280
Total	1,742,930		1,742,930		1,699,744
Consumer lending | HELOCs | Criticized (accrual)
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	0		0		565
Year 2	1,221		1,221		1,219
Year 3	1,072		1,072		1,872
Year 4	339		339		101
Year 5	603		603		185
Prior	993		993		1,470
Revolving Loans	503		503		2,548
Revolving Loans Converted to Term Loans	488		488		1,089
Total	5,219		5,219		9,049
Consumer lending | HELOCs | Criticized (nonaccrual)
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	517		517		815
Year 2	1,208		1,208		856
Year 3	2,095		2,095		413
Year 4	930		930		72
Year 5	0		0		584
Prior	4,513		4,513		6,863
Revolving Loans	0		0		279
Revolving Loans Converted to Term Loans	3,967		3,967		3,529
Total	13,230		13,230		13,411
Consumer lending | HELOCs | Gross write-offs
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Gross write-offs year 1					0
Gross write-offs year 2					0
Gross write-offs year 3					0
Gross write-offs year 4					0
Gross write-offs year 5					0
Gross write-offs Prior					41
Gross write-offs Revolving Loans					0
Gross write-offs Revolving Loans Converted to Term Loans					6
Gross write-offs Total					47
Consumer lending | Total residential mortgage
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	1,169,673		1,169,673		3,200,997
Year 2	2,983,814		2,983,814		3,352,054
Year 3	3,228,934		3,228,934		2,288,289
Year 4	2,184,446		2,184,446		1,601,372
Year 5	1,512,471		1,512,471		987,313
Prior	2,709,489		2,709,489		1,990,440
Revolving Loans	1,589,696		1,589,696		1,553,901
Revolving Loans Converted to Term Loans	130,625		130,625		130,898
Total	15,509,148		15,509,148		15,105,264
Consumer lending | Total residential mortgage | Gross write-offs
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Gross write-offs year 1			0		0
Gross write-offs year 2			0		0
Gross write-offs year 3			0		0
Gross write-offs year 4			0		0
Gross write-offs year 5			0		0
Gross write-offs Prior			9		41
Gross write-offs Revolving Loans			0		0
Gross write-offs Revolving Loans Converted to Term Loans			0		6
Gross write-offs Total			9		47
Consumer lending | Other consumer
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	3,901		3,901		2,286
Year 2	37		37		18,098
Year 3	19,907		19,907		135
Year 4	133		133		0
Year 5	0		0		0
Prior	6,858		6,858		13,244
Revolving Loans	25,318		25,318		26,564
Revolving Loans Converted to Term Loans	0		0		0
Total	56,154		56,154		60,327
Consumer lending | Other consumer | Pass
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	3,886		3,886		2,286
Year 2	37		37		18,098
Year 3	19,907		19,907		135
Year 4	133		133		0
Year 5	0		0		0
Prior	6,858		6,858		13,244
Revolving Loans	22,113		22,113		26,432
Revolving Loans Converted to Term Loans	0		0		0
Total	52,934		52,934		60,195
Consumer lending | Other consumer | Criticized (accrual)
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	15		15
Year 2	0		0
Year 3	0		0
Year 4	0		0
Year 5	0		0
Prior	0		0
Revolving Loans	3,000		3,000
Revolving Loans Converted to Term Loans	0		0
Total	3,015		3,015
Consumer lending | Other consumer | Criticized (nonaccrual)
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	0		0		0
Year 2	0		0		0
Year 3	0		0		0
Year 4	0		0		0
Year 5	0		0		0
Prior	0		0		0
Revolving Loans	205		205		132
Revolving Loans Converted to Term Loans	0		0		0
Total	205		205		132
Consumer lending | Other consumer | Gross write-offs
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Gross write-offs year 1			0
Gross write-offs year 2			0
Gross write-offs year 3			0
Gross write-offs year 4			0
Gross write-offs year 5			0
Gross write-offs Prior			0
Gross write-offs Revolving Loans			22
Gross write-offs Revolving Loans Converted to Term Loans			0
Gross write-offs Total			22
Consumer lending | Single-family residential
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	1,164,774		1,164,774		3,195,976
Year 2	2,977,588		2,977,588		3,346,097
Year 3	3,221,055		3,221,055		2,284,270
Year 4	2,180,601		2,180,601		1,598,046
Year 5	1,508,021		1,508,021		985,815
Prior	2,695,730		2,695,730		1,972,856
Revolving Loans	0		0		0
Revolving Loans Converted to Term Loans	0		0		0
Total	13,747,769		13,747,769		13,383,060
Consumer lending | Single-family residential | Pass
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	1,162,393		1,162,393		3,188,830
Year 2	2,965,129		2,965,129		3,340,789
Year 3	3,214,153		3,214,153		2,279,802
Year 4	2,175,945		2,175,945		1,594,525
Year 5	1,504,722		1,504,722		980,686
Prior	2,676,170		2,676,170		1,959,974
Revolving Loans	0		0		0
Revolving Loans Converted to Term Loans	0		0		0
Total	13,698,512		13,698,512		13,344,606
Consumer lending | Single-family residential | Criticized (accrual)
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	353		353		2,680
Year 2	1,166		1,166		4,471
Year 3	1,701		1,701		566
Year 4	1,589		1,589		1,440
Year 5	1,120		1,120		1,503
Prior	6,077		6,077		4,167
Revolving Loans	0		0		0
Revolving Loans Converted to Term Loans	0		0		0
Total	12,006		12,006		14,827
Consumer lending | Single-family residential | Criticized (nonaccrual)
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Year 1	2,028		2,028		4,466
Year 2	11,293		11,293		837
Year 3	5,201		5,201		3,902
Year 4	3,067		3,067		2,081
Year 5	2,179		2,179		3,626
Prior	13,483		13,483		8,715
Revolving Loans	0		0		0
Revolving Loans Converted to Term Loans	0		0		0
Total	$ 37,251		37,251		$ 23,627
Consumer lending | Single-family residential | Gross write-offs
Financing Receivable, Vintage Year/Credit Quality Indicator [Line Items]
Gross write-offs year 1			0
Gross write-offs year 2			0
Gross write-offs year 3			0
Gross write-offs year 4			0
Gross write-offs year 5			0
Gross write-offs Prior			9
Gross write-offs Revolving Loans			0
Gross write-offs Revolving Loans Converted to Term Loans			0
Gross write-offs Total			$ 9

Loans Receivable and Allowanc_6

Loans Receivable and Allowance for Credit Losses - Schedule Of Aging Analysis Of Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Current, Past Due or Nonaccrual Loans
Total	$ 52,767,909	$ 52,210,782
Current Accruing Loans
Current, Past Due or Nonaccrual Loans
Total	52,505,421	51,984,909
Total Accruing Past Due Loans
Current, Past Due or Nonaccrual Loans
Total	96,606	122,999
Accruing Loans 30-59 Days Past Due
Current, Past Due or Nonaccrual Loans
Total	68,756	88,791
Accruing Loans 60-89 Days Past Due
Current, Past Due or Nonaccrual Loans
Total	27,850	34,208
Nonperforming Financial Instruments
Current, Past Due or Nonaccrual Loans
Total	165,882	102,874
Commercial lending
Current, Past Due or Nonaccrual Loans
Total	37,202,607	37,045,191
Commercial lending | Current Accruing Loans
Current, Past Due or Nonaccrual Loans
Total	37,052,670	36,927,223
Commercial lending | Total Accruing Past Due Loans
Current, Past Due or Nonaccrual Loans
Total	35,774	53,014
Commercial lending | Accruing Loans 30-59 Days Past Due
Current, Past Due or Nonaccrual Loans
Total	25,369	44,117
Commercial lending | Accruing Loans 60-89 Days Past Due
Current, Past Due or Nonaccrual Loans
Total	10,405	8,897
Commercial lending | Nonperforming Financial Instruments
Current, Past Due or Nonaccrual Loans
Total	114,163	64,954
Commercial lending | C&I
Current, Past Due or Nonaccrual Loans
Total	16,875,009	16,581,079
Commercial lending | C&I | Current Accruing Loans
Current, Past Due or Nonaccrual Loans
Total	16,785,688	16,508,394
Commercial lending | C&I | Total Accruing Past Due Loans
Current, Past Due or Nonaccrual Loans
Total	22,361	35,649
Commercial lending | C&I | Accruing Loans 30-59 Days Past Due
Current, Past Due or Nonaccrual Loans
Total	12,851	28,550
Commercial lending | C&I | Accruing Loans 60-89 Days Past Due
Current, Past Due or Nonaccrual Loans
Total	9,510	7,099
Commercial lending | C&I | Nonperforming Financial Instruments
Current, Past Due or Nonaccrual Loans
Total	66,960	37,036
Commercial lending | CRE
Current, Past Due or Nonaccrual Loans
Total	14,562,595	14,777,081
Commercial lending | CRE | Current Accruing Loans
Current, Past Due or Nonaccrual Loans
Total	14,518,793	14,750,315
Commercial lending | CRE | Total Accruing Past Due Loans
Current, Past Due or Nonaccrual Loans
Total	12,522	3,517
Commercial lending | CRE | Accruing Loans 30-59 Days Past Due
Current, Past Due or Nonaccrual Loans
Total	11,627	1,719
Commercial lending | CRE | Accruing Loans 60-89 Days Past Due
Current, Past Due or Nonaccrual Loans
Total	895	1,798
Commercial lending | CRE | Nonperforming Financial Instruments
Current, Past Due or Nonaccrual Loans
Total	31,280	23,249
Commercial lending | Construction and land
Current, Past Due or Nonaccrual Loans
Total	664,793	663,868
Commercial lending | Construction and land | Current Accruing Loans
Current, Past Due or Nonaccrual Loans
Total	653,477	650,617
Commercial lending | Construction and land | Total Accruing Past Due Loans
Current, Past Due or Nonaccrual Loans
Total	0	13,251
Commercial lending | Construction and land | Accruing Loans 30-59 Days Past Due
Current, Past Due or Nonaccrual Loans
Total	0	13,251
Commercial lending | Construction and land | Accruing Loans 60-89 Days Past Due
Current, Past Due or Nonaccrual Loans
Total	0	0
Commercial lending | Construction and land | Nonperforming Financial Instruments
Current, Past Due or Nonaccrual Loans
Total	11,316	0
Commercial lending | Total CRE
Current, Past Due or Nonaccrual Loans
Total	20,327,598	20,464,112
Commercial lending | Total CRE | Current Accruing Loans
Current, Past Due or Nonaccrual Loans
Total	20,266,982	20,418,829
Commercial lending | Total CRE | Total Accruing Past Due Loans
Current, Past Due or Nonaccrual Loans
Total	13,413	17,365
Commercial lending | Total CRE | Accruing Loans 30-59 Days Past Due
Current, Past Due or Nonaccrual Loans
Total	12,518	15,567
Commercial lending | Total CRE | Accruing Loans 60-89 Days Past Due
Current, Past Due or Nonaccrual Loans
Total	895	1,798
Commercial lending | Total CRE | Nonperforming Financial Instruments
Current, Past Due or Nonaccrual Loans
Total	47,203	27,918
Commercial lending | Multifamily residential
Current, Past Due or Nonaccrual Loans
Total	5,100,210	5,023,163
Commercial lending | Multifamily residential | Current Accruing Loans
Current, Past Due or Nonaccrual Loans
Total	5,094,712	5,017,897
Commercial lending | Multifamily residential | Total Accruing Past Due Loans
Current, Past Due or Nonaccrual Loans
Total	891	597
Commercial lending | Multifamily residential | Accruing Loans 30-59 Days Past Due
Current, Past Due or Nonaccrual Loans
Total	891	597
Commercial lending | Multifamily residential | Accruing Loans 60-89 Days Past Due
Current, Past Due or Nonaccrual Loans
Total	0	0
Commercial lending | Multifamily residential | Nonperforming Financial Instruments
Current, Past Due or Nonaccrual Loans
Total	4,607	4,669
Consumer lending
Current, Past Due or Nonaccrual Loans
Total	15,565,302	15,165,591
Consumer lending | Current Accruing Loans
Current, Past Due or Nonaccrual Loans
Total	15,452,751	15,057,686
Consumer lending | Total Accruing Past Due Loans
Current, Past Due or Nonaccrual Loans
Total	60,832	69,985
Consumer lending | Accruing Loans 30-59 Days Past Due
Current, Past Due or Nonaccrual Loans
Total	43,387	44,674
Consumer lending | Accruing Loans 60-89 Days Past Due
Current, Past Due or Nonaccrual Loans
Total	17,445	25,311
Consumer lending | Nonperforming Financial Instruments
Current, Past Due or Nonaccrual Loans
Total	51,719	37,920
Consumer lending | HELOCs
Current, Past Due or Nonaccrual Loans
Total	1,761,379	1,722,204
Consumer lending | HELOCs | Current Accruing Loans
Current, Past Due or Nonaccrual Loans
Total	1,729,694	1,687,301
Consumer lending | HELOCs | Total Accruing Past Due Loans
Current, Past Due or Nonaccrual Loans
Total	18,455	21,492
Consumer lending | HELOCs | Accruing Loans 30-59 Days Past Due
Current, Past Due or Nonaccrual Loans
Total	13,236	12,266
Consumer lending | HELOCs | Accruing Loans 60-89 Days Past Due
Current, Past Due or Nonaccrual Loans
Total	5,219	9,226
Consumer lending | HELOCs | Nonperforming Financial Instruments
Current, Past Due or Nonaccrual Loans
Total	13,230	13,411
Consumer lending | Total residential mortgage
Current, Past Due or Nonaccrual Loans
Total	15,509,148	15,105,264
Consumer lending | Total residential mortgage | Current Accruing Loans
Current, Past Due or Nonaccrual Loans
Total	15,397,045	15,000,756
Consumer lending | Total residential mortgage | Total Accruing Past Due Loans
Current, Past Due or Nonaccrual Loans
Total	60,589	66,720
Consumer lending | Total residential mortgage | Accruing Loans 30-59 Days Past Due
Current, Past Due or Nonaccrual Loans
Total	43,229	41,551
Consumer lending | Total residential mortgage | Accruing Loans 60-89 Days Past Due
Current, Past Due or Nonaccrual Loans
Total	17,360	25,169
Consumer lending | Total residential mortgage | Nonperforming Financial Instruments
Current, Past Due or Nonaccrual Loans
Total	51,514	37,788
Consumer lending | Other consumer
Current, Past Due or Nonaccrual Loans
Total	56,154	60,327
Consumer lending | Other consumer | Current Accruing Loans
Current, Past Due or Nonaccrual Loans
Total	55,706	56,930
Consumer lending | Other consumer | Total Accruing Past Due Loans
Current, Past Due or Nonaccrual Loans
Total	243	3,265
Consumer lending | Other consumer | Accruing Loans 30-59 Days Past Due
Current, Past Due or Nonaccrual Loans
Total	158	3,123
Consumer lending | Other consumer | Accruing Loans 60-89 Days Past Due
Current, Past Due or Nonaccrual Loans
Total	85	142
Consumer lending | Other consumer | Nonperforming Financial Instruments
Current, Past Due or Nonaccrual Loans
Total	205	132
Consumer lending | Single-family residential
Current, Past Due or Nonaccrual Loans
Total	13,747,769	13,383,060
Consumer lending | Single-family residential | Current Accruing Loans
Current, Past Due or Nonaccrual Loans
Total	13,667,351	13,313,455
Consumer lending | Single-family residential | Total Accruing Past Due Loans
Current, Past Due or Nonaccrual Loans
Total	42,134	45,228
Consumer lending | Single-family residential | Accruing Loans 30-59 Days Past Due
Current, Past Due or Nonaccrual Loans
Total	29,993	29,285
Consumer lending | Single-family residential | Accruing Loans 60-89 Days Past Due
Current, Past Due or Nonaccrual Loans
Total	12,141	15,943
Consumer lending | Single-family residential | Nonperforming Financial Instruments
Current, Past Due or Nonaccrual Loans
Total	$ 38,284	$ 24,377

Loans Receivable and Allowanc_7

Loans Receivable and Allowance for Credit Losses - Schedule Of Amortized Cost Of Loans On Nonaccrual Status With No Related Allowance For Loan Losses (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Financing Receivable, Nonaccrual [Line Items]
Total nonaccrual loans with no related allowance for loan losses	$ 118,526	$ 72,085
Commercial lending
Financing Receivable, Nonaccrual [Line Items]
Total nonaccrual loans with no related allowance for loan losses	97,008	59,977
Commercial lending | C&I
Financing Receivable, Nonaccrual [Line Items]
Total nonaccrual loans with no related allowance for loan losses	50,808	33,089
Commercial lending | CRE
Financing Receivable, Nonaccrual [Line Items]
Total nonaccrual loans with no related allowance for loan losses	30,674	22,653
Commercial lending | Multifamily residential
Financing Receivable, Nonaccrual [Line Items]
Total nonaccrual loans with no related allowance for loan losses	4,210	4,235
Commercial lending | Construction and land
Financing Receivable, Nonaccrual [Line Items]
Total nonaccrual loans with no related allowance for loan losses	11,316	0
Consumer lending
Financing Receivable, Nonaccrual [Line Items]
Total nonaccrual loans with no related allowance for loan losses	21,518	12,108
Consumer lending | Single-family residential
Financing Receivable, Nonaccrual [Line Items]
Total nonaccrual loans with no related allowance for loan losses	14,461	4,852
Consumer lending | HELOCs
Financing Receivable, Nonaccrual [Line Items]
Total nonaccrual loans with no related allowance for loan losses	$ 7,057	$ 7,256

Loans Receivable and Allowanc_8

Loans Receivable and Allowance for Credit Losses - Loans Receivable Narrative (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Foreclosed assets
Other assets, foreclosed assets	$ 30	$ 11
Residential real estate properties
Foreclosed assets
Recorded investment in consumer mortgage loans secured by residential real estate properties for which formal foreclosure proceedings were in process	$ 8	$ 8

Loans Receivable and Allowanc_9

Loans Receivable and Allowance for Credit Losses - Schedule Of Modified Loans/TDRs (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Loans Modified
Total	$ 41,374	$ 65,966	$ 118,255	$ 100,852
Term Extension
Loans Modified
Total	14,901	13,475	42,922	33,624
Payment Delay
Loans Modified
Total	12,502	18,851	41,295	32,862
Combination: Term Extension/ Payment Delay
Loans Modified
Total	2,951	551	2,951	1,277
Combination: Rate Reduction/ Payment Delay
Loans Modified
Total	11,020		31,087
Combination: Rate Reduction/ Term Extension
Loans Modified
Total		32,791		32,791
Combination: Principal Forgiveness/ Rate Reduction/ Term Extension
Loans Modified
Total		298		298
Commercial lending
Loans Modified
Total	31,530	59,352	99,329	93,512
Commercial lending | Term Extension
Loans Modified
Total	11,901	13,475	39,922	33,624
Commercial lending | Payment Delay
Loans Modified
Total	5,658	12,788	25,886	26,799
Commercial lending | Combination: Term Extension/ Payment Delay
Loans Modified
Total	2,951	0	2,951	0
Commercial lending | Combination: Rate Reduction/ Payment Delay
Loans Modified
Total	11,020		30,570
Commercial lending | Combination: Rate Reduction/ Term Extension
Loans Modified
Total		32,791		32,791
Commercial lending | Combination: Principal Forgiveness/ Rate Reduction/ Term Extension
Loans Modified
Total		298		298
Commercial lending | C&I
Loans Modified
Total	$ 20,510	$ 26,561	$ 44,438	$ 60,195
Modification as a % of Loan Class	0.12%	0.17%	0.26%	0.38%
Commercial lending | C&I | Term Extension
Loans Modified
Total	$ 11,901	$ 13,475	$ 15,601	$ 33,098
Commercial lending | C&I | Payment Delay
Loans Modified
Total	5,658	12,788	25,886	26,799
Commercial lending | C&I | Combination: Term Extension/ Payment Delay
Loans Modified
Total	2,951	0	2,951	0
Commercial lending | C&I | Combination: Rate Reduction/ Payment Delay
Loans Modified
Total	0		0
Commercial lending | C&I | Combination: Rate Reduction/ Term Extension
Loans Modified
Total		0		0
Commercial lending | C&I | Combination: Principal Forgiveness/ Rate Reduction/ Term Extension
Loans Modified
Total		298		298
Commercial lending | CRE
Loans Modified
Total	$ 11,020	$ 32,791	$ 54,891	$ 33,317
Modification as a % of Loan Class	0.05%	0.16%	0.27%	0.17%
Commercial lending | CRE | Term Extension
Loans Modified
Total	$ 0	$ 0	$ 24,321	$ 526
Commercial lending | CRE | Payment Delay
Loans Modified
Total	0	0	0	0
Commercial lending | CRE | Combination: Term Extension/ Payment Delay
Loans Modified
Total	0	0	0	0
Commercial lending | CRE | Combination: Rate Reduction/ Payment Delay
Loans Modified
Total	11,020		30,570
Commercial lending | CRE | Combination: Rate Reduction/ Term Extension
Loans Modified
Total		32,791		32,791
Commercial lending | CRE | Combination: Principal Forgiveness/ Rate Reduction/ Term Extension
Loans Modified
Total		0		0
Consumer lending
Loans Modified
Total	9,844	6,614	18,926	7,340
Consumer lending | Term Extension
Loans Modified
Total	3,000	0	3,000	0
Consumer lending | Payment Delay
Loans Modified
Total	6,844	6,063	15,409	6,063
Consumer lending | Combination: Term Extension/ Payment Delay
Loans Modified
Total	0	551	0	1,277
Consumer lending | Combination: Rate Reduction/ Payment Delay
Loans Modified
Total	0		517
Consumer lending | Combination: Rate Reduction/ Term Extension
Loans Modified
Total		0		0
Consumer lending | Combination: Principal Forgiveness/ Rate Reduction/ Term Extension
Loans Modified
Total		0		0
Consumer lending | HELOCs
Loans Modified
Total	$ 2,053	$ 978	$ 7,398	$ 1,704
Modification as a % of Loan Class	0.12%	0.05%	0.42%	0.09%
Consumer lending | HELOCs | Term Extension
Loans Modified
Total	$ 0	$ 0	$ 0	$ 0
Consumer lending | HELOCs | Payment Delay
Loans Modified
Total	2,053	978	6,881	978
Consumer lending | HELOCs | Combination: Term Extension/ Payment Delay
Loans Modified
Total	0	0	0	726
Consumer lending | HELOCs | Combination: Rate Reduction/ Payment Delay
Loans Modified
Total	0		517
Consumer lending | HELOCs | Combination: Rate Reduction/ Term Extension
Loans Modified
Total		0		0
Consumer lending | HELOCs | Combination: Principal Forgiveness/ Rate Reduction/ Term Extension
Loans Modified
Total		0		0
Consumer lending | Other consumer
Loans Modified
Total	$ 3,000		$ 3,000
Modification as a % of Loan Class	5.34%		5.34%
Consumer lending | Other consumer | Term Extension
Loans Modified
Total	$ 3,000		$ 3,000
Consumer lending | Other consumer | Payment Delay
Loans Modified
Total	0		0
Consumer lending | Other consumer | Combination: Term Extension/ Payment Delay
Loans Modified
Total	0		0
Consumer lending | Other consumer | Combination: Rate Reduction/ Payment Delay
Loans Modified
Total	0		0
Consumer lending | Single-family residential
Loans Modified
Total	$ 4,791	$ 5,636	$ 8,528	$ 5,636
Modification as a % of Loan Class	0.03%	0.05%	0.06%	0.05%
Consumer lending | Single-family residential | Term Extension
Loans Modified
Total	$ 0	$ 0	$ 0	$ 0
Consumer lending | Single-family residential | Payment Delay
Loans Modified
Total	4,791	5,085	8,528	5,085
Consumer lending | Single-family residential | Combination: Term Extension/ Payment Delay
Loans Modified
Total	0	551	0	551
Consumer lending | Single-family residential | Combination: Rate Reduction/ Payment Delay
Loans Modified
Total	$ 0		$ 0
Consumer lending | Single-family residential | Combination: Rate Reduction/ Term Extension
Loans Modified
Total		0		0
Consumer lending | Single-family residential | Combination: Principal Forgiveness/ Rate Reduction/ Term Extension
Loans Modified
Total		$ 0		$ 0

Loans Receivable and Allowan_10

Loans Receivable and Allowance for Credit Losses - Schedule Of Financial Effects of Loan Modifications (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Commercial lending | C&I | Principal Forgiveness
Loans Modified
Loan modification amount		$ 345		$ 345
Commercial lending | C&I | Weighted-Average Interest Rate Reduction
Loans Modified
Weighted-Average Interest Rate Reduction	0%	8.50%	0%	8.50%
Commercial lending | C&I | Term Extension
Loans Modified
Weighted average of loans (in years)	2 years	1 year 8 months 12 days	2 years	1 year 6 months
Commercial lending | C&I | Payment Delay
Loans Modified
Weighted average of loans (in years)	2 years	7 months 6 days	1 year 6 months	9 months 18 days
Commercial lending | CRE | Principal Forgiveness
Loans Modified
Loan modification amount		$ 0		$ 0
Commercial lending | CRE | Weighted-Average Interest Rate Reduction
Loans Modified
Weighted-Average Interest Rate Reduction	2.50%	3%	2.66%	3%
Commercial lending | CRE | Term Extension
Loans Modified
Weighted average of loans (in years)	0 years	2 years 6 months	1 year 6 months	2 years 6 months
Commercial lending | CRE | Payment Delay
Loans Modified
Weighted average of loans (in years)	1 year 2 months 12 days	0 years	1 year	0 years
Consumer lending | HELOCs | Principal Forgiveness
Loans Modified
Loan modification amount		$ 0		$ 0
Consumer lending | HELOCs | Weighted-Average Interest Rate Reduction
Loans Modified
Weighted-Average Interest Rate Reduction	0%	0%	0.25%	0%
Consumer lending | HELOCs | Term Extension
Loans Modified
Weighted average of loans (in years)	0 years	0 years	0 years	14 years 9 months 18 days
Consumer lending | HELOCs | Payment Delay
Loans Modified
Weighted average of loans (in years)	8 months 12 days	7 months 6 days	2 years 9 months 18 days	6 months
Consumer lending | Other consumer | Principal Forgiveness
Loans Modified
Loan modification amount		$ 0		$ 0
Consumer lending | Other consumer | Weighted-Average Interest Rate Reduction
Loans Modified
Weighted-Average Interest Rate Reduction	0%	0%	0%	0%
Consumer lending | Other consumer | Term Extension
Loans Modified
Weighted average of loans (in years)	9 months 18 days	0 years	9 months 18 days	0 years
Consumer lending | Other consumer | Payment Delay
Loans Modified
Weighted average of loans (in years)	0 years	0 years	0 years	0 years
Consumer lending | Single-family residential | Principal Forgiveness
Loans Modified
Loan modification amount		$ 0		$ 0
Consumer lending | Single-family residential | Weighted-Average Interest Rate Reduction
Loans Modified
Weighted-Average Interest Rate Reduction	0%	0%	0%	0%
Consumer lending | Single-family residential | Term Extension
Loans Modified
Weighted average of loans (in years)	0 years	9 years 8 months 12 days	0 years	9 years 8 months 12 days
Consumer lending | Single-family residential | Payment Delay
Loans Modified
Weighted average of loans (in years)	9 months 18 days	10 months 24 days	9 months 18 days	10 months 24 days

Loans Receivable and Allowan_11

Loans Receivable and Allowance for Credit Losses - Schedule Of Loans Modification (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified, Subsequent Default	$ 13,799,000	$ 0	$ 25,975,000	$ 0
Term Extension
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified, Subsequent Default	0		7,829,000
Payment Delay
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified, Subsequent Default	10,212,000		14,174,000
Combination: Rate Reduction/ Payment Delay
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified, Subsequent Default	1,149,000		1,149,000
Combination Term Extension and Interest Rate Reduction 2
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified, Subsequent Default	2,438,000		2,823,000
Commercial lending
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified, Subsequent Default	5,658,000		13,487,000
Commercial lending | Term Extension
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified, Subsequent Default	0		7,829,000
Commercial lending | Payment Delay
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified, Subsequent Default	5,658,000		5,658,000
Commercial lending | Combination: Rate Reduction/ Payment Delay
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified, Subsequent Default	0		0
Commercial lending | Combination Term Extension and Interest Rate Reduction 2
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified, Subsequent Default	0		0
Commercial lending | C&I
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified, Subsequent Default	5,658,000		13,487,000
Commercial lending | C&I | Term Extension
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified, Subsequent Default	0		7,829,000
Commercial lending | C&I | Payment Delay
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified, Subsequent Default	5,658,000		5,658,000
Commercial lending | C&I | Combination: Rate Reduction/ Payment Delay
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified, Subsequent Default	0		0
Commercial lending | C&I | Combination Term Extension and Interest Rate Reduction 2
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified, Subsequent Default	0		0
Consumer lending
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified, Subsequent Default	8,141,000		12,488,000
Consumer lending | Term Extension
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified, Subsequent Default	0		0
Consumer lending | Payment Delay
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified, Subsequent Default	4,554,000		8,516,000
Consumer lending | Combination: Rate Reduction/ Payment Delay
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified, Subsequent Default	1,149,000		1,149,000
Consumer lending | Combination Term Extension and Interest Rate Reduction 2
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified, Subsequent Default	2,438,000		2,823,000
Consumer lending | HELOCs
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified, Subsequent Default	2,090,000		2,090,000
Consumer lending | HELOCs | Term Extension
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified, Subsequent Default	0		0
Consumer lending | HELOCs | Payment Delay
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified, Subsequent Default	941,000		941,000
Consumer lending | HELOCs | Combination: Rate Reduction/ Payment Delay
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified, Subsequent Default	1,149,000		1,149,000
Consumer lending | HELOCs | Combination Term Extension and Interest Rate Reduction 2
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified, Subsequent Default	0		0
Consumer lending | Single-family residential
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified, Subsequent Default	6,051,000		10,398,000
Consumer lending | Single-family residential | Term Extension
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified, Subsequent Default	0		0
Consumer lending | Single-family residential | Payment Delay
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified, Subsequent Default	3,613,000		7,575,000
Consumer lending | Single-family residential | Combination: Rate Reduction/ Payment Delay
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified, Subsequent Default	0		0
Consumer lending | Single-family residential | Combination Term Extension and Interest Rate Reduction 2
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified, Subsequent Default	$ 2,438,000		$ 2,823,000

Loans Receivable and Allowan_12

Loans Receivable and Allowance for Credit Losses - Loans Modification Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Loans and Leases Receivable Disclosure [Abstract]
Financing Receivable, Modified, Subsequent Default	$ 13,799,000	$ 0	$ 25,975,000	$ 0

Loans Receivable and Allowan_13

Loans Receivable and Allowance for Credit Losses - Schedule of Financing Receivable, Modified, Payment Performance (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023	Jun. 30, 2023
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	$ 161,453		$ 100,852
Commitment to lend	12,000	$ 4,000
Current Accruing Loans
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	139,553		88,272
30 - 89 Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	4,621		7,591
90+ Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	17,279		4,989
Commercial lending
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	129,725		93,512
Commercial lending | Current Accruing Loans
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	121,896		81,523
Commercial lending | 30 - 89 Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	0		7,000
Commercial lending | 90+ Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	7,829		4,989
Commercial lending | C&I
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	74,833		60,195
Commercial lending | C&I | Current Accruing Loans
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	67,004		48,206
Commercial lending | C&I | 30 - 89 Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	0		7,000
Commercial lending | C&I | 90+ Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	7,829		4,989
Commercial lending | CRE
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	54,892		33,317
Commercial lending | CRE | Current Accruing Loans
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	54,892		33,317
Commercial lending | CRE | 30 - 89 Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	0		0
Commercial lending | CRE | 90+ Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	0		0
Consumer lending
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	31,728		7,340
Consumer lending | Current Accruing Loans
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	17,657		6,749
Consumer lending | 30 - 89 Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	4,621		591
Consumer lending | 90+ Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	9,450		0
Consumer lending | HELOCs
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	10,902		1,704
Consumer lending | HELOCs | Current Accruing Loans
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	6,396		1,704
Consumer lending | HELOCs | 30 - 89 Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	3,296		0
Consumer lending | HELOCs | 90+ Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	1,210		0
Consumer lending | Other consumer
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	3,000
Consumer lending | Other consumer | Current Accruing Loans
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	3,000
Consumer lending | Other consumer | 30 - 89 Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	0
Consumer lending | Other consumer | 90+ Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	0
Consumer lending | Single-family residential
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	17,826		5,636
Consumer lending | Single-family residential | Current Accruing Loans
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	8,261		5,045
Consumer lending | Single-family residential | 30 - 89 Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	1,325		591
Consumer lending | Single-family residential | 90+ Days Past Due
Financing Receivable Allowance for Credit Losses
Financing receivable, modified, accumulated	$ 8,240		$ 0

Loans Receivable and Allowan_14

Loans Receivable and Allowance for Credit Losses - Allowance for Credit Losses Narrative (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024 USD ($) qtr	Jun. 30, 2023 USD ($) qtr	Jun. 30, 2024 USD ($) qtr	Jun. 30, 2023 USD ($) qtr	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Sep. 30, 2023 qtr	Mar. 31, 2023 USD ($)	Jan. 01, 2023 USD ($)	Dec. 31, 2022 USD ($)
Financing Receivable Allowance for Credit Losses
Life time loss rate, period span | qtr	8		8
Allowance for credit losses	$ 723,000		$ 723,000			$ 706,000
Increase in allowance for credit losses			17,000
Allowance for loan losses	683,794	$ 635,400	683,794	$ 635,400	$ 670,280	668,743		$ 619,893	$ 601,673	$ 595,645
Provision for (reversal of) credit losses on loans	36,762	24,025	60,916	42,545
Gross charge-offs	(25,322)	(9,755)	(50,006)	(11,792)
Gross recoveries	2,187	2,218	4,294	3,646
Net charge-offs	(23,135)	(7,537)	(45,712)	(8,146)
Foreign currency translation adjustment	(113)	$ (981)	(153)	$ (672)
C&I
Financing Receivable Allowance for Credit Losses
Life time loss rate, period span | qtr		11		11			8
C&I | Commercial lending
Financing Receivable Allowance for Credit Losses
Allowance for loan losses	379,984	$ 375,333	379,984	$ 375,333	373,631	392,685		376,325	377,383	371,700
Provision for (reversal of) credit losses on loans	17,783	5,259	18,057	4,581
Gross charge-offs	(13,134)	(7,335)	(34,132)	(9,235)
Gross recoveries	1,817	2,065	3,527	3,276
Net charge-offs	(11,317)	(5,270)	(30,605)	(5,959)
Foreign currency translation adjustment	(113)	(981)	(153)	(672)
Multifamily residential | Commercial lending
Financing Receivable Allowance for Credit Losses
Allowance for loan losses	40,254	22,938	40,254	22,938	$ 37,418	$ 34,375		$ 24,526	$ 23,379	$ 23,373
Provision for (reversal of) credit losses on loans	2,628	(1,604)	5,660	(469)
Gross charge-offs	0	0	(6)	0
Gross recoveries	208	16	225	28
Net charge-offs	208	16	219	28
Foreign currency translation adjustment	$ 0	$ 0	$ 0	$ 0

Loans Receivable and Allowan_15

Loans Receivable and Allowance for Credit Losses - Collateral-Dependent Loans Narrative (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Commercial lending
Financing Receivable Allowance for Credit Losses
Collateral dependent loan	$ 75	$ 30
Consumer lending
Financing Receivable Allowance for Credit Losses
Collateral dependent loan	$ 23	$ 12

Loans Receivable and Allowan_16

Loans Receivable and Allowance for Credit Losses - Schedule Of Activity In The Allowance For Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2022
Allowance for loan losses
Allowance for loan losses, start of period	$ 670,280	$ 619,893	$ 668,743	$ 595,645
Provision for (reversal of) credit losses on loans	36,762	24,025	60,916	42,545
Gross charge-offs	(25,322)	(9,755)	(50,006)	(11,792)
Gross recoveries	2,187	2,218	4,294	3,646
Total net (charge-offs) recoveries	(23,135)	(7,537)	(45,712)	(8,146)
Foreign currency translation adjustment	(113)	(981)	(153)	(672)
Allowance for loan losses, end of period	683,794	635,400	683,794	635,400
Commercial lending | C&I
Allowance for loan losses
Allowance for loan losses, start of period	373,631	376,325	392,685	371,700
Provision for (reversal of) credit losses on loans	17,783	5,259	18,057	4,581
Gross charge-offs	(13,134)	(7,335)	(34,132)	(9,235)
Gross recoveries	1,817	2,065	3,527	3,276
Total net (charge-offs) recoveries	(11,317)	(5,270)	(30,605)	(5,959)
Foreign currency translation adjustment	(113)	(981)	(153)	(672)
Allowance for loan losses, end of period	379,984	375,333	379,984	375,333
Commercial lending | CRE
Allowance for loan losses
Allowance for loan losses, start of period	187,460	155,067	170,592	149,864
Provision for (reversal of) credit losses on loans	18,287	15,685	37,419	20,361
Gross charge-offs	(11,103)	(2,366)	(13,501)	(2,372)
Gross recoveries	150	119	284	315
Total net (charge-offs) recoveries	(10,953)	(2,247)	(13,217)	(2,057)
Foreign currency translation adjustment	0	0	0	0
Allowance for loan losses, end of period	194,794	168,505	194,794	168,505
Commercial lending | Construction and land
Allowance for loan losses
Allowance for loan losses, start of period	10,819	9,322	10,469	9,109
Provision for (reversal of) credit losses on loans	4,422	1,995	5,803	2,205
Gross charge-offs	(920)	0	(2,144)	0
Gross recoveries	1	8	194	11
Total net (charge-offs) recoveries	(919)	8	(1,950)	11
Foreign currency translation adjustment	0	0	0	0
Allowance for loan losses, end of period	14,322	11,325	14,322	11,325
Commercial lending | Multifamily residential
Allowance for loan losses
Allowance for loan losses, start of period	37,418	24,526	34,375	23,373
Provision for (reversal of) credit losses on loans	2,628	(1,604)	5,660	(469)
Gross charge-offs	0	0	(6)	0
Gross recoveries	208	16	225	28
Total net (charge-offs) recoveries	208	16	219	28
Foreign currency translation adjustment	0	0	0	0
Allowance for loan losses, end of period	40,254	22,938	40,254	22,938
Consumer lending | HELOCs
Allowance for loan losses
Allowance for loan losses, start of period	3,563	4,971	3,947	4,475
Provision for (reversal of) credit losses on loans	(232)	(444)	(664)	136
Gross charge-offs	0	(6)	0	(97)
Gross recoveries	9	5	57	11
Total net (charge-offs) recoveries	9	(1)	57	(86)
Foreign currency translation adjustment	0	0	0	0
Allowance for loan losses, end of period	3,340	4,526	3,340	4,526
Consumer lending | Other consumer
Allowance for loan losses
Allowance for loan losses, start of period	1,467	1,675	1,657	1,560
Provision for (reversal of) credit losses on loans	240	(367)	108	(212)
Gross charge-offs	(130)	(48)	(188)	(88)
Gross recoveries	0	0	0	0
Total net (charge-offs) recoveries	(130)	(48)	(188)	(88)
Foreign currency translation adjustment	0	0	0	0
Allowance for loan losses, end of period	1,577	1,260	1,577	1,260
Consumer lending | Single-family residential
Allowance for loan losses
Allowance for loan losses, start of period	55,922	48,007	55,018	35,564
Provision for (reversal of) credit losses on loans	(6,366)	3,501	(5,467)	15,943
Gross charge-offs	(35)	0	(35)	0
Gross recoveries	2	5	7	5
Total net (charge-offs) recoveries	(33)	5	(28)	5
Foreign currency translation adjustment	0	0	0	0
Allowance for loan losses, end of period	$ 49,523	$ 51,513	$ 49,523	$ 51,513
Accounting Standards Update 2022-02
Allowance for loan losses
Impact of ASU 2022-02 adoption					$ 6,028
Accounting Standards Update 2022-02 | Commercial lending | C&I
Allowance for loan losses
Impact of ASU 2022-02 adoption					5,683
Accounting Standards Update 2022-02 | Commercial lending | CRE
Allowance for loan losses
Impact of ASU 2022-02 adoption					337
Accounting Standards Update 2022-02 | Commercial lending | Construction and land
Allowance for loan losses
Impact of ASU 2022-02 adoption					0
Accounting Standards Update 2022-02 | Commercial lending | Multifamily residential
Allowance for loan losses
Impact of ASU 2022-02 adoption					6
Accounting Standards Update 2022-02 | Consumer lending | HELOCs
Allowance for loan losses
Impact of ASU 2022-02 adoption					1
Accounting Standards Update 2022-02 | Consumer lending | Other consumer
Allowance for loan losses
Impact of ASU 2022-02 adoption					0
Accounting Standards Update 2022-02 | Consumer lending | Single-family residential
Allowance for loan losses
Impact of ASU 2022-02 adoption					$ 1

Loans Receivable and Allowan_17

Loans Receivable and Allowance for Credit Losses - Schedule of Activities in Allowance for loan losses by Portfolio Segments and Unfunded Credit Commitments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Allowance for unfunded credit reserves
Allowance for unfunded credit commitments, beginning of period			$ 38,000
Allowance for unfunded credit commitments, end of period	$ 39,000		39,000
Provision for credit losses	37,000	$ 26,000	62,000	$ 46,000
Loans transferred from held-for-investment to held-for-sale	139,641	119,550	339,615	280,026
Sales	134,624	123,889	322,791	303,421
Purchases	282,039	117,416	390,119	272,098
Unfunded Credit Commitments
Allowance for unfunded credit reserves
Allowance for unfunded credit commitments, beginning of period	38,544	27,741	37,698	26,264
Provision for credit losses on unfunded credit commitments	238	1,975	1,084	3,455
Foreign currency translation adjustment	1	12	1	9
Allowance for unfunded credit commitments, end of period	38,783	29,728	38,783	29,728
Single-family residential | Consumer lending
Allowance for unfunded credit reserves
Loans transferred from held-for-investment to held-for-sale	0	0	0	0
Sales	0	0	965	0
Purchases	$ 111,864	$ 79,137	$ 186,600	$ 211,136

Loans Receivable and Allowan_18

Loans Receivable and Allowance for Credit Losses - Schedule Of Carrying Value Of Loans Transferred, Loans Sold and Purchased For the Held-For-Investment Portfolio (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Loans Receivable and Allowance for Credit Losses
Loans transferred from held-for-investment to held-for-sale	$ 139,641	$ 119,550	$ 339,615	$ 280,026
Sales	134,624	123,889	322,791	303,421
Purchases	282,039	117,416	390,119	272,098
Writeoff	1,000	308	1,000	1,000
Originated
Loans Receivable and Allowance for Credit Losses
Sales	95,000	92,000	187,000	203,000
Loans sold in secondary market | Purchased
Loans Receivable and Allowance for Credit Losses
Sales	40,000	32,000	136,000	100,000
Commercial lending | C&I
Loans Receivable and Allowance for Credit Losses
Loans transferred from held-for-investment to held-for-sale	138,923	111,396	338,897	268,272
Sales	133,906	115,735	321,108	291,667
Purchases	170,175	38,279	203,519	60,962
Commercial lending | CRE
Loans Receivable and Allowance for Credit Losses
Loans transferred from held-for-investment to held-for-sale	0	0	0	3,600
Sales	0	0	0	3,600
Purchases	0	0	0	0
Commercial lending | Construction and land
Loans Receivable and Allowance for Credit Losses
Loans transferred from held-for-investment to held-for-sale	718	8,154	718	8,154
Sales	718	8,154	718	8,154
Purchases	0	0	0	0
Consumer lending | Single-family residential
Loans Receivable and Allowance for Credit Losses
Loans transferred from held-for-investment to held-for-sale	0	0	0	0
Sales	0	0	965	0
Purchases	$ 111,864	$ 79,137	$ 186,600	$ 211,136

Affordable Housing Partnershi_3

Affordable Housing Partnership, Tax Credit and Community Reinvestment Act Investments, Net - Narrative (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Investments in Tax Credit and Other Investments, Net [Line Items]
Minimum compliance period for qualified affordable housing partnerships to fully utilize the tax credits (in years)	15 years
Investments in Tax Credit and Other Investments and Other Assets
Investments in Tax Credit and Other Investments, Net [Line Items]
Equity securities without readily determinable fair values	$ 148	$ 146

Affordable Housing Partnershi_4

Affordable Housing Partnership, Tax Credit and Community Reinvestment Act Investments, Net - Schedule of Affordable Housing, Tax Credit and CRA Investments, Net and Related Unfunded Commitments (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Assets
Tax credits and CRA investments	$ 269,086	$ 485,251
Total	956,428	905,036
Liabilities - Unfunded Commitments
Tax credits and CRA investments	152,123	298,990
Total	552,520	550,736
Affordable housing partnership
Assets
PAM - Affordable housing partnership investments	475,751	419,785
Liabilities - Unfunded Commitments
PAM - Affordable housing partnership investments	293,387	251,746
Tax credit and CRA investments
Assets
PAM - Affordable housing partnership investments	211,591	0
Liabilities - Unfunded Commitments
PAM - Affordable housing partnership investments	$ 107,010	$ 0

Affordable Housing Partnershi_5

Affordable Housing Partnership, Tax Credit and Community Reinvestment Act Investments, Net - Schedule of Additional Information related to the Affordable Housing, Tax Credit and CRA Investments, Net (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Equity Method Accounting and Other [Abstract]
Tax credit and CRA Investments	$ 21,543,000	$ 58,404,000	$ 34,137,000	$ 72,902,000
Total tax credits and benefits	63,459,000	73,708,000	121,621,000	104,300,000
Equity Method Accounting and Other [Abstract]
Tax credit and CRA Investments	16,052,000	55,914,000	29,259,000	66,024,000
Total amortization	45,841,000	66,420,000	96,218,000	89,196,000
Pre-tax impairment charge or recovery	0		0
Affordable housing partnership
Tax credits and benefits
PAM - Affordable housing partnership investments	15,612,000	15,304,000	34,031,000	31,398,000
Amortization
PAM - Affordable housing partnership investments	9,774,000	10,506,000	23,643,000	23,172,000
Tax credit and CRA investments
Tax credits and benefits
PAM - Affordable housing partnership investments	26,304,000	0	53,453,000	0
Amortization
PAM - Affordable housing partnership investments	$ 20,015,000	0	$ 43,316,000	0
Historic Tax Credit Investment
Equity Method Accounting and Other [Abstract]
Pre-tax impairment charge or recovery		$ 1,000,000		$ 2,000,000

Goodwill (Details)

Goodwill (Details) - USD ($)	6 Months Ended	12 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Goodwill [Line Items]
Goodwill	$ 465,697,000	$ 465,697,000
Goodwill impairment	0	$ 0
Rayliant Global Advisors Limited
Goodwill [Line Items]
Equity securities without readily determinable fair values	110,000,000
Equity method investment, difference between carrying amount and underlying equity	$ 101,000,000

Short-Term Borrowings and Lon_3

Short-Term Borrowings and Long-Term Debt - Schedule of Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Short-Term Debt [Line Items]
FHLB Advances - floating	$ 3,500,000	$ 0
Weighted-average contractual interest rates for FHLB advances	5.54%
Bank Term Funding Program
Short-Term Debt [Line Items]
Interest rate short-term borrowings	4.37%
Short-term borrowings	$ 0	$ 4,500,000
Parent Company | Junior Subordinated Debt
Short-Term Debt [Line Items]
Weighted-average rate (as a percent)	7.15%	6.87%
Long-term debt total	$ 31,844	$ 148,249
Minimum
Short-Term Debt [Line Items]
Interest Rates	5.51%
Maximum
Short-Term Debt [Line Items]
Interest Rates	5.58%

Short-Term Borrowings and Lon_4

Short-Term Borrowings and Long-Term Debt - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Jun. 30, 2024
Debt Instrument [Line Items]
FHLB advances borrowing capacity		$ 8,300
Repayments of borrowing	$ 4,500
Junior Subordinated Debt
Debt Instrument [Line Items]
Repayments of subordinated debt	$ 117

Commitments and Contingencies -

Commitments and Contingencies - Schedule of Credit-Related Commitments (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Loan commitments
Commitments to Extend Credit
Expire in One Year or Less	$ 4,769,476
Expire After One Year Through Three Years	3,376,989
Expire After Three Years Through Five Years	632,152
Expire After Five Years	143,822
Total	8,922,439	$ 9,141,447
Commercial letters of credit and standby letters of credit (“SBLCs”)
Commitments to Extend Credit
Expire in One Year or Less	1,206,498
Expire After One Year Through Three Years	357,450
Expire After Three Years Through Five Years	150,329
Expire After Five Years	1,122,720
Total	2,836,997	2,610,761
Commitments to Extend Credit
Commitments to Extend Credit
Expire in One Year or Less	5,975,974
Expire After One Year Through Three Years	3,734,439
Expire After Three Years Through Five Years	782,481
Expire After Five Years	1,266,542
Total	$ 11,759,436	$ 11,752,208

Commitments and Contingencies_2

Commitments and Contingencies - Narrative (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Commitments to Extend Credit
Letters of credit	$ 2,800,000	$ 2,600,000
Allowance for unfunded credit commitments	39,000	38,000
Loans Sold or Securitized With Recourse | Single Family and Multi-family Residential Loans | Loans Sold or Securitized with Recourse
Commitments to Extend Credit
Allowance for unfunded credit commitments	43	40
Standby Letters of Credit
Commitments to Extend Credit
Letters of credit	2,800,000	2,600,000
Commercial Letters of Credit
Commitments to Extend Credit
Letters of credit	$ 31,000	$ 24,000

Commitments and Contingencies_3

Commitments and Contingencies - Schedule of Guarantees Outstanding (Details) - Loans Sold or Securitized With Recourse - Loans Sold or Securitized with Recourse - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Guarantor obligation, maximum potential future payment [Abstract]
Expire in One Year or Less	$ 3
Expire After One Year Through Three Years	15
Expire After Three Years Through Five Years	180
Expire After Five Years	19,539
Total	19,737	$ 20,884
Carrying Value (1)	23,186	24,908
Single Family Residential
Guarantor obligation, maximum potential future payment [Abstract]
Expire in One Year or Less	3
Expire After One Year Through Three Years	15
Expire After Three Years Through Five Years	25
Expire After Five Years	4,698
Total	4,741	5,888
Carrying Value (1)	4,741	5,888
Multifamily residential
Guarantor obligation, maximum potential future payment [Abstract]
Expire in One Year or Less	0
Expire After One Year Through Three Years	0
Expire After Three Years Through Five Years	155
Expire After Five Years	14,841
Total	14,996	14,996
Carrying Value (1)	$ 18,445	$ 19,020

Stock Compensation Plans - Narr

Stock Compensation Plans - Narrative (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
RSUs | Cliff
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)	3 years
Performance-Based RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized compensation cost	$ 22
Weighted average period to recognize unrecognized compensation cost	2 years 1 month 6 days
Performance-Based RSUs | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Potential for awards to vest (as a percent)	0%
Performance-Based RSUs | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Potential for awards to vest (as a percent)	200%
Performance-Based RSUs | Cliff
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)	3 years
Time-Based RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized compensation cost	$ 45
Weighted average period to recognize unrecognized compensation cost	2 years 1 month 6 days
Two Thousand And Twenty One Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options outstanding (in shares)	0	0

Stock Compensation Plans - Sche

Stock Compensation Plans - Schedule of Stock Compensation Expense and Related Net Tax (Deficiency) Benefit (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Share-Based Payment Arrangement [Abstract]
Stock compensation costs	$ 10,666	$ 9,364	$ 23,654	$ 20,439
Related net tax benefits for stock compensation plans	$ 9	$ 525	$ 792	$ 8,815

Stock Compensation Plans - Sc_2

Stock Compensation Plans - Schedule of Activity for Time-Based and Performance-Based Restricted Stock Units (Details)	6 Months Ended
	Jun. 30, 2024 $ / shares shares
Time-Based RSUs
Shares
Outstanding, at beginning of period (in shares) | shares	1,206,518
Granted (in shares) | shares	522,454
Vested (in shares) | shares	(305,954)
Forfeited (in shares) | shares	(36,948)
Outstanding, at end of period (in shares) | shares	1,386,070
Weighted-Average Grant Date Fair Value
Outstanding, at beginning of period (in dollars per share) | $ / shares	$ 74.29
Granted (in dollars per share) | $ / shares	75.77
Vested (in dollars per share) | $ / shares	71.68
Forfeited (in dollars per share) | $ / shares	74.89
Outstanding, at end of period (in dollars per share) | $ / shares	$ 75.41
Performance-Based RSUs
Shares
Outstanding, at beginning of period (in shares) | shares	276,223
Granted (in shares) | shares	97,798
Vested (in shares) | shares	(91,960)
Forfeited (in shares) | shares	0
Outstanding, at end of period (in shares) | shares	282,061
Weighted-Average Grant Date Fair Value
Outstanding, at beginning of period (in dollars per share) | $ / shares	$ 78.59
Granted (in dollars per share) | $ / shares	80.28
Vested (in dollars per share) | $ / shares	77.67
Forfeited (in dollars per share) | $ / shares	0
Outstanding, at end of period (in dollars per share) | $ / shares	$ 79.48

Stockholders' Equity and Earn_3

Stockholders' Equity and Earnings Per Share - Schedule of Earnings Per Share Calculations (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Basic:
Net income	$ 288,230	$ 312,031	$ 573,305	$ 634,470
Weighted-average number of shares outstanding (in shares)	138,980	141,468	139,195	141,291
Basic EPS (in dollars per share)	$ 2.07	$ 2.21	$ 4.12	$ 4.49
Diluted:
Net income	$ 288,230	$ 312,031	$ 573,305	$ 634,470
Weighted-average number of shares outstanding (in shares)	138,980	141,468	139,195	141,291
Add: Dilutive impact of unvested RSUs (in shares)	821	408	852	619
Diluted weighted-average number of shares outstanding (in shares)	139,801	141,876	140,047	141,910
Diluted EPS (in dollars per share)	$ 2.06	$ 2.20	$ 4.09	$ 4.47

Stockholders' Equity and Earn_4

Stockholders' Equity and Earnings Per Share - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2020
Stockholders' Equity and Earnings Per Share [Line Items]
Stock repurchase program, amount authorized					$ 500
Repurchased by company (in shares)	560,645		1,742,496
Average price (in dollars per share)	$ 72.74		$ 70.72
Repurchase of common stock pursuant to the stock repurchase program	$ 41		$ 123
Available for repurchase amount	$ 49		$ 49
RSUs
Stockholders' Equity and Earnings Per Share [Line Items]
Weighted-average anti-dilutive shares (in shares)	3,000	1,000,000	3,000	439,000

Accumulated Other Comprehensi_3

Accumulated Other Comprehensive Income (Loss) - Schedule Of The Changes In Components Of Accumulated Other Comprehensive Income (Loss) Balances (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 7,023,232	$ 6,309,331	$ 6,950,834	$ 5,984,612
Other comprehensive income (loss)	8,560	(101,938)	(33,577)	(16,303)
Ending balance	7,215,114	6,461,697	7,215,114	6,461,697
Debt Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(601,510)	(640,734)	(601,881)	(694,815)
Net unrealized gains (losses) arising during the period	8,773	(43,618)	6,491	657
Amounts reclassified from AOCI	1,451	2,816	4,104	12,622
Other comprehensive income (loss)	10,224	(40,802)	10,595	13,279
Ending balance	(591,286)	(681,536)	(591,286)	(681,536)
Cash Flow Hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(43,706)	(20,918)	2,624	(49,531)
Net unrealized gains (losses) arising during the period	(17,678)	(68,207)	(81,340)	(47,121)
Amounts reclassified from AOCI	17,325	14,320	34,657	21,847
Other comprehensive income (loss)	(353)	(53,887)	(46,683)	(25,274)
Ending balance	(44,059)	(74,805)	(44,059)	(74,805)
Foreign Currency Translation Adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(17,517)	(18,342)	(21,339)	(21,283)
Net unrealized gains (losses) arising during the period	(1,311)	(7,249)	2,511	(4,308)
Amounts reclassified from AOCI	0	0	0	0
Other comprehensive income (loss)	(1,311)	(7,249)	2,511	(4,308)
Ending balance	(18,828)	(25,591)	(18,828)	(25,591)
AOCI, Net of Tax
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(662,733)	(679,994)	(620,596)	(765,629)
Net unrealized gains (losses) arising during the period	(10,216)	(119,074)	(72,338)	(50,772)
Amounts reclassified from AOCI	18,776	17,136	38,761	34,469
Other comprehensive income (loss)	8,560	(101,938)	(33,577)	(16,303)
Ending balance	$ (654,173)	$ (781,932)	$ (654,173)	$ (781,932)

Accumulated Other Comprehensi_4

Accumulated Other Comprehensive Income (Loss) - Schedule Of Components Of Other Comprehensive Income (Loss), Reclassifications To Net Income And The Related Tax Effects (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Before-Tax
Net change	$ 12,669	$ (140,253)	$ (48,622)	$ (20,359)
Tax Effect
Net change	(4,109)	38,315	15,045	4,056
Net-of-Tax
Other comprehensive income (loss)	8,560	(101,938)	(33,577)	(16,303)
Debt Securities
Before-Tax
Net unrealized gains (losses) on AFS debt securities arising during the period	12,421	(61,939)	9,139	921
Net realized (gains) losses on AFS debt securities reclassified into net income	(1,785)	0	(1,834)	10,000
Amortization of unrealized losses on transferred securities	3,845	3,998	7,661	7,919
Net change	14,481	(57,941)	14,966	18,840
Tax Effect
Net unrealized gains (losses) on AFS debt securities arising during the period	(3,648)	18,321	(2,648)	(264)
Net realized (gains) losses on AFS debt securities reclassified into net income	528	0	542	(2,956)
Amortization of unrealized losses on transferred securities	(1,137)	(1,182)	(2,265)	(2,341)
Net change	(4,257)	17,139	(4,371)	(5,561)
Net-of-Tax
Net unrealized gains (losses) on AFS debt securities arising during the period	8,773	(43,618)	6,491	657
Net realized (gains) losses on AFS debt securities reclassified into net income	(1,257)	0	(1,292)	7,044
Amortization of unrealized losses on transferred securities	2,708	2,816	5,396	5,578
Net unrealized losses arising during the period	8,773	(43,618)	6,491	657
Net realized losses reclassified into net income	1,451	2,816	4,104	12,622
Other comprehensive income (loss)	10,224	(40,802)	10,595	13,279
Cash Flow Hedges
Before-Tax
Net unrealized losses arising during the period	(25,095)	(96,457)	(115,471)	(66,614)
Net realized losses reclassified into net income	24,594	20,252	49,199	30,896
Net change	(501)	(76,205)	(66,272)	(35,718)
Tax Effect
Net unrealized losses arising during the period	7,417	28,250	34,131	19,493
Net realized losses reclassified into net income	(7,269)	(5,932)	(14,542)	(9,049)
Net change	148	22,318	19,589	10,444
Net-of-Tax
Net unrealized losses arising during the period	(17,678)	(68,207)	(81,340)	(47,121)
Net realized losses reclassified into net income	17,325	14,320	34,657	21,847
Other comprehensive income (loss)	(353)	(53,887)	(46,683)	(25,274)
Foreign Currency Translation Adjustments
Before-Tax
Net unrealized losses arising during the period	(1,311)	(6,107)	2,684	(3,481)
Net change	(1,311)	(6,107)	2,684	(3,481)
Tax Effect
Net unrealized losses arising during the period	0	(1,142)	(173)	(827)
Net change	0	(1,142)	(173)	(827)
Net-of-Tax
Net unrealized losses arising during the period	(1,311)	(7,249)	2,511	(4,308)
Net realized losses reclassified into net income	0	0	0	0
Other comprehensive income (loss)	$ (1,311)	$ (7,249)	$ 2,511	$ (4,308)

Business Segments - Narrative (

Business Segments - Narrative (Details)	6 Months Ended
	Jun. 30, 2024 segment
Segment Reporting [Abstract]
Number of reportable segments	3
Number of core segments	2

Business Segments - Schedule Of

Business Segments - Schedule Of Operating Results And Other Key Financial Measures For The Individual Operating Segments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Segment Reporting Information
Net interest income (loss) before provision for credit losses	$ 553,229	$ 566,746	$ 1,118,368	$ 1,166,607
(Reversal of) provision for credit losses	37,000	26,000	62,000	46,000
Noninterest income (loss)	84,673	78,631	163,661	138,609
Noninterest expense	236,434	261,789	483,309	480,236
INCOME BEFORE INCOME TAXES	364,468	357,588	736,720	778,980
Segment net income	288,230	312,031	573,305	634,470
Segment assets	72,468,272	68,532,681	72,468,272	68,532,681	$ 69,612,884
Consumer and Business Banking
Segment Reporting Information
Net interest income (loss) before provision for credit losses	293,292	307,522	585,056	611,764
(Reversal of) provision for credit losses	(3,245)	5,524	(680)	20,536
Noninterest income (loss)	26,769	27,120	52,311	53,122
Noninterest expense	108,124	107,027	227,424	220,850
INCOME BEFORE INCOME TAXES	215,182	222,091	410,623	423,500
Segment net income	151,578	156,853	289,250	299,100
Segment assets	19,909,978	18,411,209	19,909,978	18,411,209
Commercial Banking
Segment Reporting Information
Net interest income (loss) before provision for credit losses	260,780	263,040	521,129	499,763
(Reversal of) provision for credit losses	40,245	20,476	62,680	25,464
Noninterest income (loss)	50,720	42,538	97,186	86,137
Noninterest expense	92,064	88,333	198,371	175,581
INCOME BEFORE INCOME TAXES	179,191	196,769	357,264	384,855
Segment net income	126,441	139,030	252,022	273,487
Segment assets	35,510,954	33,754,957	35,510,954	33,754,957
Other
Segment Reporting Information
Net interest income (loss) before provision for credit losses	(843)	(3,816)	12,183	55,080
(Reversal of) provision for credit losses	0	0	0	0
Noninterest income (loss)	7,184	8,973	14,164	(650)
Noninterest expense	36,246	66,429	57,514	83,805
INCOME BEFORE INCOME TAXES	(29,905)	(61,272)	(31,167)	(29,375)
Segment net income	10,211	16,148	32,033	61,883
Segment assets	$ 17,047,340	$ 16,366,515	$ 17,047,340	$ 16,366,515