| At June 30, | |||||||||||
| (Dollars in thousands, except par value) | 2025 | 2024 | |||||||||
| ASSETS | |||||||||||
| Cash and cash equivalents | $ | 1,933,845 | $ | 1,979,979 | |||||||
| Restricted cash | 242,509 | 205,797 | |||||||||
| Total cash, cash equivalents and restricted cash | 2,176,354 | 2,185,776 | |||||||||
| Trading securities | 649 | 353 | |||||||||
| Available-for-sale securities | 66,008 | 141,611 | |||||||||
| Stock of regulatory agencies | 35,163 | 21,957 | |||||||||
| Loans held for sale, carried at fair value | 10,012 | 16,482 | |||||||||
Loans—net of allowance for credit losses of $290,049 as of June 30, 2025 and $260,542 as of June 30, 2024 | 21,049,610 | 19,231,385 | |||||||||
| Servicing rights, carried at fair value | 27,218 | 28,924 | |||||||||
| Securities borrowed | 139,396 | 67,212 | |||||||||
| Customer, broker-dealer and clearing receivables | 252,720 | 240,028 | |||||||||
| Goodwill and other intangible assets—net | 134,502 | 141,769 | |||||||||
| Other assets | 891,446 | 779,837 | |||||||||
| TOTAL ASSETS | $ | 24,783,078 | $ | 22,855,334 | |||||||
| LIABILITIES AND STOCKHOLDERS’ EQUITY | |||||||||||
| Deposits: | |||||||||||
| Non-interest bearing | $ | 3,040,696 | $ | 2,975,631 | |||||||
| Interest bearing | 17,788,847 | 16,383,586 | |||||||||
| Total deposits | 20,829,543 | 19,359,217 | |||||||||
| Advances from the Federal Home Loan Bank | 60,000 | 90,000 | |||||||||
| Borrowings, subordinated notes and debentures | 312,671 | 325,679 | |||||||||
| Securities loaned | 139,426 | 74,177 | |||||||||
| Customer, broker-dealer and clearing payables | 350,606 | 301,127 | |||||||||
| Accounts payable and other liabilities | 410,155 | 414,538 | |||||||||
| Total liabilities | 22,102,401 | 20,564,738 | |||||||||
| COMMITMENTS AND CONTINGENCIES | |||||||||||
| STOCKHOLDERS’ EQUITY: | |||||||||||
Common stock—$0.01 par value; 150,000,000 shares authorized, 71,101,642 shares issued and 56,483,617 shares outstanding as of June 30, 2025; 70,221,632 shares issued and 56,894,565 shares outstanding as of June 30, 2024 | 711 | 702 | |||||||||
| Additional paid-in capital | 548,895 | 510,232 | |||||||||
| Accumulated other comprehensive income (loss)—net of income tax | 348 | (2,466) | |||||||||
| Retained earnings | 2,618,525 | 2,185,617 | |||||||||
Treasury stock, at cost; 14,618,025 shares as of June 30, 2025 and 13,327,067 shares as of June 30, 2024 | (487,802) | (403,489) | |||||||||
| Total stockholders’ equity | 2,680,677 | 2,290,596 | |||||||||
| TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY | $ | 24,783,078 | $ | 22,855,334 | |||||||
| Three Months Ended | |||||||||||
| June 30, | |||||||||||
| (Dollars in thousands, except earnings per common share) | 2025 | 2024 | |||||||||
| INTEREST AND DIVIDEND INCOME: | |||||||||||
| Loans, including fees | $ | 410,910 | $ | 409,466 | |||||||
| Securities borrowed and customer receivables | 6,699 | 6,244 | |||||||||
Investments and other | 24,804 | 37,718 | |||||||||
| Total interest and dividend income | 442,413 | 453,428 | |||||||||
| INTEREST EXPENSE: | |||||||||||
| Deposits | 156,931 | 187,542 | |||||||||
| Advances from the Federal Home Loan Bank | 310 | 1,293 | |||||||||
| Securities loaned | 477 | 379 | |||||||||
| Other borrowings | 4,534 | 4,152 | |||||||||
| Total interest expense | 162,252 | 193,366 | |||||||||
| Net interest income | 280,161 | 260,062 | |||||||||
| Provision for credit losses | 14,997 | 6,000 | |||||||||
| Net interest income, after provision for credit losses | 265,164 | 254,062 | |||||||||
| NON-INTEREST INCOME: | |||||||||||
| Broker-dealer fee income | 11,013 | 11,053 | |||||||||
| Advisory fee income | 7,747 | 7,649 | |||||||||
| Banking and service fees | 9,515 | 8,436 | |||||||||
Mortgage banking and servicing rights income | 12,855 | 3,189 | |||||||||
| Prepayment penalty fee income | 155 | 534 | |||||||||
| Total non-interest income | 41,285 | 30,861 | |||||||||
| NON-INTEREST EXPENSE: | |||||||||||
| Salaries and related costs | 74,888 | 68,760 | |||||||||
Data and operational processing | 20,358 | 16,717 | |||||||||
| Depreciation and amortization | 7,691 | 7,499 | |||||||||
| Advertising and promotional | 11,025 | 12,346 | |||||||||
| Professional services | 10,362 | 11,672 | |||||||||
| Occupancy and equipment | 4,536 | 4,603 | |||||||||
| FDIC and regulatory fees | 6,990 | 6,930 | |||||||||
| Broker-dealer clearing charges | 4,282 | 3,841 | |||||||||
| General and administrative expense | 10,520 | 8,167 | |||||||||
| Total non-interest expense | 150,652 | 140,535 | |||||||||
| INCOME BEFORE INCOME TAXES | 155,797 | 144,388 | |||||||||
| INCOME TAXES | 45,122 | 39,516 | |||||||||
| NET INCOME | $ | 110,675 | $ | 104,872 | |||||||
| Basic earnings per common share | $ | 1.96 | $ | 1.84 | |||||||
| Diluted earnings per common share | $ | 1.92 | $ | 1.80 | |||||||
Year Ended June 30, | |||||||||||||||||
| (Dollars in thousands, except earnings per common share) | 2025 | 2024 | 2023 | ||||||||||||||
| INTEREST AND DIVIDEND INCOME: | |||||||||||||||||
| Loans, including fees | $ | 1,654,784 | $ | 1,499,572 | $ | 1,048,874 | |||||||||||
| Securities borrowed and customer receivables | 25,492 | 22,407 | 18,657 | ||||||||||||||
| Investments and other | 135,189 | 133,628 | 89,607 | ||||||||||||||
| Total interest and dividend income | 1,815,465 | 1,655,607 | 1,157,138 | ||||||||||||||
| INTEREST EXPENSE: | |||||||||||||||||
| Deposits | 667,753 | 670,570 | 339,481 | ||||||||||||||
| Advances from the Federal Home Loan Bank | 1,652 | 3,087 | 12,644 | ||||||||||||||
| Securities loaned | 1,830 | 2,214 | 3,673 | ||||||||||||||
| Other borrowings | 16,458 | 18,307 | 18,219 | ||||||||||||||
| Total interest expense | 687,693 | 694,178 | 374,017 | ||||||||||||||
| Net interest income | 1,127,772 | 961,429 | 783,121 | ||||||||||||||
| Provision for credit losses | 55,745 | 32,500 | 24,250 | ||||||||||||||
| Net interest income, after provision for credit losses | 1,072,027 | 928,929 | 758,871 | ||||||||||||||
| NON-INTEREST INCOME: | |||||||||||||||||
| Broker-dealer fee income | 45,233 | 48,136 | 46,503 | ||||||||||||||
| Advisory fee income | 31,794 | 31,335 | 28,324 | ||||||||||||||
| Banking and service fees | 38,195 | 35,723 | 32,938 | ||||||||||||||
| Mortgage banking and servicing rights income | 13,007 | 10,000 | 7,101 | ||||||||||||||
| Prepayment penalty fee income | 2,837 | 5,069 | 5,622 | ||||||||||||||
| Gain on acquisition | — | 92,397 | — | ||||||||||||||
| Total non-interest income | 131,066 | 222,660 | 120,488 | ||||||||||||||
| NON-INTEREST EXPENSE: | |||||||||||||||||
| Salaries and related costs | 297,955 | 250,873 | 204,271 | ||||||||||||||
| Data and operational processing | 80,433 | 69,370 | 60,557 | ||||||||||||||
| Depreciation and amortization | 29,019 | 27,086 | 23,387 | ||||||||||||||
| Advertising and promotional | 47,760 | 42,797 | 37,150 | ||||||||||||||
| Professional services | 37,572 | 36,532 | 29,268 | ||||||||||||||
| Occupancy and equipment | 17,705 | 16,704 | 15,647 | ||||||||||||||
| FDIC and regulatory fees | 27,558 | 20,546 | 15,534 | ||||||||||||||
| Broker-dealer clearing charges | 17,065 | 18,260 | 13,433 | ||||||||||||||
| General and administrative expense | 34,631 | 33,940 | 48,368 | ||||||||||||||
| Total non-interest expense | 589,698 | 516,108 | 447,615 | ||||||||||||||
| INCOME BEFORE INCOME TAXES | 613,395 | 635,481 | 431,744 | ||||||||||||||
| INCOME TAXES | 180,487 | 185,473 | 124,579 | ||||||||||||||
| NET INCOME | $ | 432,908 | $ | 450,008 | $ | 307,165 | |||||||||||
| Basic earnings per common share | $ | 7.61 | $ | 7.82 | $ | 5.15 | |||||||||||
| Diluted earnings per common share | $ | 7.43 | $ | 7.66 | $ | 5.07 | |||||||||||
| (Dollars in thousands) | June 30, 2025 | June 30, 2024 | |||||||||
| Single Family - Mortgage & Warehouse | $ | 4,395,278 | $ | 4,178,832 | |||||||
| Multifamily and Commercial Mortgage | 2,940,739 | 3,861,931 | |||||||||
| Commercial Real Estate | 6,937,187 | 6,088,622 | |||||||||
| Commercial & Industrial - Non-RE | 6,795,497 | 5,241,766 | |||||||||
| Auto & Consumer | 482,996 | 431,660 | |||||||||
| Total gross loans | 21,551,697 | 19,802,811 | |||||||||
| Allowance for credit losses - loans | (290,049) | (260,542) | |||||||||
| Unaccreted premiums (discounts) and loan fees | (212,038) | (310,884) | |||||||||
| Total net loans | $ | 21,049,610 | $ | 19,231,385 | |||||||
| June 30, 2025 | |||||||||||||||||||||||
| (Dollars in thousands) | Amortized Cost | Unrealized Gains | Unrealized Losses | Fair Value | |||||||||||||||||||
| Mortgage-backed securities (MBS): | |||||||||||||||||||||||
Agency1 | $ | 48,229 | $ | 327 | $ | (1,799) | $ | 46,757 | |||||||||||||||
Non-agency2 | 14,395 | 1,232 | (58) | 15,569 | |||||||||||||||||||
| Total mortgage-backed securities | 62,624 | 1,559 | (1,857) | 62,326 | |||||||||||||||||||
| Municipal | 3,682 | — | — | 3,682 | |||||||||||||||||||
Total available-for-sale securities | $ | 66,306 | $ | 1,559 | $ | (1,857) | $ | 66,008 | |||||||||||||||
| June 30, 2024 | |||||||||||||||||||||||
| (Dollars in thousands) | Amortized Cost | Unrealized Gains | Unrealized Losses | Fair Value | |||||||||||||||||||
| Mortgage-backed securities (MBS): | |||||||||||||||||||||||
Agency1 | $ | 29,835 | $ | 83 | $ | (2,659) | $ | 27,259 | |||||||||||||||
Non-agency2 | 110,658 | 838 | (568) | 110,928 | |||||||||||||||||||
| Total mortgage-backed securities | 140,493 | 921 | (3,227) | 138,187 | |||||||||||||||||||
| Municipal | 3,788 | — | (364) | 3,424 | |||||||||||||||||||
Total available-for-sale securities | $ | 144,281 | $ | 921 | $ | (3,591) | $ | 141,611 | |||||||||||||||
| (Dollars in thousands) | June 30, 2025 | June 30, 2024 | ||||||||||||
| Non-interest bearing | $ | 3,040,696 | $ | 2,975,631 | ||||||||||
| Interest-bearing demand and savings | 16,660,290 | 15,445,490 | ||||||||||||
| Time deposits | 1,128,557 | 938,096 | ||||||||||||
| Total interest bearing | 17,788,847 | 16,383,586 | ||||||||||||
Total deposits1 | $ | 20,829,543 | $ | 19,359,217 | ||||||||||
| At June 30, | ||||||||||||||
| 2025 | 2024 | |||||||||||||
| Non-interest bearing | 50,967 | 55,772 | ||||||||||||
| Interest-bearing checking and savings accounts | 546,678 | 495,070 | ||||||||||||
| Time deposits | 2,956 | 4,696 | ||||||||||||
| Total number of deposit accounts | 600,601 | 555,538 | ||||||||||||
For the Three Months Ended, | |||||||||||||||||||||||||||||||||||
| June 30, 2025 | June 30, 2024 | ||||||||||||||||||||||||||||||||||
| (Dollars in thousands) | Average Balance1 | Interest Income/ Expense | Average Yields Earned/Rates Paid2 | Average Balance1 | Interest Income/ Expense | Average Yields Earned/Rates Paid2 | |||||||||||||||||||||||||||||
| Assets: | |||||||||||||||||||||||||||||||||||
Loans3, 4 | $ | 20,539,298 | $ | 410,910 | 8.00 | % | $ | 19,177,807 | $ | 409,466 | 8.54 | % | |||||||||||||||||||||||
Non-purchased loans | 19,560,321 | 374,450 | 7.66 | % | 18,196,696 | 368,766 | 8.11 | % | |||||||||||||||||||||||||||
Purchased loans5 | 978,977 | 36,460 | 14.90 | % | 981,111 | 40,700 | 16.59 | % | |||||||||||||||||||||||||||
| Interest-earning deposits in other financial institutions | 2,149,658 | 23,652 | 4.40 | % | 2,656,167 | 35,122 | 5.29 | % | |||||||||||||||||||||||||||
Mortgage-backed and other securities4 | 76,214 | 642 | 3.37 | % | 183,297 | 2,202 | 4.81 | % | |||||||||||||||||||||||||||
Securities borrowed and margin lending6 | 344,061 | 6,699 | 7.79 | % | 329,573 | 6,244 | 7.58 | % | |||||||||||||||||||||||||||
| Stock of the regulatory agencies | 29,599 | 510 | 6.89 | % | 17,250 | 394 | 9.14 | % | |||||||||||||||||||||||||||
| Total interest-earning assets | 23,138,830 | 442,413 | 7.65 | % | 22,364,094 | 453,428 | 8.11 | % | |||||||||||||||||||||||||||
| Non-interest-earning assets | 813,673 | 758,002 | |||||||||||||||||||||||||||||||||
| Total assets | $ | 23,952,503 | $ | 23,122,096 | |||||||||||||||||||||||||||||||
| Liabilities and Stockholders’ Equity: | |||||||||||||||||||||||||||||||||||
| Interest-bearing demand and savings | $ | 16,284,806 | $ | 148,589 | 3.65 | % | $ | 15,697,646 | $ | 176,930 | 4.51 | % | |||||||||||||||||||||||
| Time deposits | 845,052 | 8,342 | 3.95 | % | 971,756 | 10,612 | 4.37 | % | |||||||||||||||||||||||||||
| Securities loaned | 108,963 | 477 | 1.75 | % | 121,197 | 379 | 1.25 | % | |||||||||||||||||||||||||||
| Advances from the FHLB | 60,001 | 310 | 2.07 | % | 144,947 | 1,293 | 3.57 | % | |||||||||||||||||||||||||||
| Borrowings, subordinated notes and debentures | 355,690 | 4,534 | 5.10 | % | 327,602 | 4,152 | 5.07 | % | |||||||||||||||||||||||||||
| Total interest-bearing liabilities | 17,654,512 | 162,252 | 3.68 | % | 17,263,148 | 193,366 | 4.48 | % | |||||||||||||||||||||||||||
| Non-interest-bearing demand deposits | 2,960,476 | 2,870,716 | |||||||||||||||||||||||||||||||||
| Other non-interest-bearing liabilities | 710,207 | 757,946 | |||||||||||||||||||||||||||||||||
| Stockholders’ equity | 2,627,308 | 2,230,286 | |||||||||||||||||||||||||||||||||
| Total liabilities and stockholders’ equity | $ | 23,952,503 | $ | 23,122,096 | |||||||||||||||||||||||||||||||
| Net interest income | $ | 280,161 | $ | 260,062 | |||||||||||||||||||||||||||||||
Interest rate spread7 | 3.97 | % | 3.63 | % | |||||||||||||||||||||||||||||||
Net interest margin8 | 4.84 | % | 4.65 | % | |||||||||||||||||||||||||||||||
| For the Fiscal Years Ended June 30, | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 2025 | 2024 | 2023 | |||||||||||||||||||||||||||||||||||||||||||||||||||
| (Dollars in thousands) | Average Balance1 | Interest Income / Expense | Average Yields Earned / Rates Paid | Average Balance1 | Interest Income / Expense | Average Yields Earned / Rates Paid | Average Balance1 | Interest Income / Expense | Average Yields Earned / Rates Paid | ||||||||||||||||||||||||||||||||||||||||||||
| Assets: | |||||||||||||||||||||||||||||||||||||||||||||||||||||
Loans2,3 | $ | 19,853,221 | $ | 1,654,784 | 8.34 | % | $ | 18,010,709 | $ | 1,499,572 | 8.33 | % | $ | 15,571,290 | $ | 1,048,874 | 6.74 | % | |||||||||||||||||||||||||||||||||||
| Non-purchased loans | 18,880,093 | 1,494,140 | 7.91 | % | 17,458,451 | 1,405,202 | 8.05 | % | 15,571,290 | 1,048,874 | 6.74 | % | |||||||||||||||||||||||||||||||||||||||||
Purchased loans4 | 973,128 | 160,644 | 16.51 | % | 552,258 | 94,370 | 17.09 | % | — | — | — | % | |||||||||||||||||||||||||||||||||||||||||
| Interest-earning deposits in other financial institutions | 2,665,865 | 128,073 | 4.80 | % | 2,242,226 | 120,861 | 5.39 | % | 1,761,902 | 73,467 | 4.17 | % | |||||||||||||||||||||||||||||||||||||||||
| Mortgage-backed and other securities | 109,405 | 5,181 | 4.74 | % | 218,565 | 11,234 | 5.14 | % | 259,473 | 14,669 | 5.65 | % | |||||||||||||||||||||||||||||||||||||||||
Securities borrowed and margin lending4 | 344,055 | 25,492 | 7.41 | % | 329,154 | 22,407 | 6.81 | % | 388,386 | 18,657 | 4.80 | % | |||||||||||||||||||||||||||||||||||||||||
| Stock of the regulatory agencies | 26,930 | 1,935 | 7.19 | % | 17,250 | 1,533 | 8.89 | % | 20,936 | 1,471 | 7.03 | % | |||||||||||||||||||||||||||||||||||||||||
| Total interest-earning assets | 22,999,476 | $ | 1,815,465 | 7.89 | % | 20,817,904 | $ | 1,655,607 | 7.95 | % | 18,001,987 | $ | 1,157,138 | 6.43 | % | ||||||||||||||||||||||||||||||||||||||
| Non-interest-earning assets | 775,958 | 811,032 | 735,783 | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Total assets | $ | 23,775,434 | $ | 21,628,936 | $ | 18,737,770 | |||||||||||||||||||||||||||||||||||||||||||||||
| Liabilities and Stockholders’ Equity: | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Interest-bearing demand and savings | $ | 16,181,014 | $ | 632,919 | 3.91 | % | $ | 14,352,569 | $ | 626,678 | 4.37 | % | $ | 10,211,737 | $ | 305,655 | 2.99 | % | |||||||||||||||||||||||||||||||||||
| Time deposits | 859,400 | 34,834 | 4.05 | % | 1,062,644 | 43,892 | 4.13 | % | 1,225,537 | 33,826 | 2.76 | % | |||||||||||||||||||||||||||||||||||||||||
| Securities loaned | 113,330 | 1,830 | 1.61 | % | 153,552 | 2,214 | 1.44 | % | 303,932 | 3,673 | 1.21 | % | |||||||||||||||||||||||||||||||||||||||||
| Advances from the FHLB | 74,385 | 1,652 | 2.22 | % | 107,454 | 3,087 | 2.87 | % | 423,612 | 12,644 | 2.98 | % | |||||||||||||||||||||||||||||||||||||||||
| Borrowings, subordinated notes and debentures | 332,665 | 16,458 | 4.95 | % | 358,452 | 18,307 | 5.11 | % | 362,733 | 18,219 | 5.02 | % | |||||||||||||||||||||||||||||||||||||||||
| Total interest-bearing liabilities | 17,560,794 | $ | 687,693 | 3.92 | % | 16,034,671 | $ | 694,178 | 4.33 | % | 12,527,551 | $ | 374,017 | 2.99 | % | ||||||||||||||||||||||||||||||||||||||
| Non-interest-bearing demand deposits | 2,968,839 | 2,769,272 | 3,730,524 | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Other non-interest-bearing liabilities | 743,920 | 745,472 | 695,617 | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Stockholders’ equity | 2,501,881 | 2,079,521 | 1,784,078 | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Total liabilities and stockholders’ equity | $ | 23,775,434 | $ | 21,628,936 | $ | 18,737,770 | |||||||||||||||||||||||||||||||||||||||||||||||
| Net interest income | $ | 1,127,772 | $ | 961,429 | $ | 783,121 | |||||||||||||||||||||||||||||||||||||||||||||||
Interest rate spread6 | 3.97 | % | 3.62 | % | 3.44 | % | |||||||||||||||||||||||||||||||||||||||||||||||
Net interest margin7 | 4.90 | % | 4.62 | % | 4.35 | % | |||||||||||||||||||||||||||||||||||||||||||||||
| Fiscal Year Ended | |||||||||||
June 30, 2025 | June 30, 2024 | ||||||||||
| Efficiency ratio | 40.80 | % | 38.42 | % | |||||||
| Return on average assets | 2.02 | % | 2.20 | % | |||||||
| Interest rate spread | 4.03 | % | 3.66 | % | |||||||
| Net interest margin | 4.95 | % | 4.68 | % | |||||||
| June 30, | |||||||||||
| (Dollars in thousands) | 2025 | 2024 | |||||||||
| FDIC insured program balances at banks | $ | 1,444,830 | $ | 1,289,105 | |||||||
| Margin balances | $ | 229,387 | $ | 219,848 | |||||||
| Cash reserves for the benefit of customers | $ | 146,835 | $ | 113,676 | |||||||
| Securities lending: | |||||||||||
| Interest-earning assets – stock borrowed | $ | 139,396 | $ | 67,212 | |||||||
| Interest-bearing liabilities – stock loaned | $ | 139,426 | $ | 74,177 | |||||||