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FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables) | 9 Months Ended
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Sep. 30, 2025
Fair Value Disclosures [Abstract] |
Schedule of Fair Value of Financial Instruments, by Balance Sheet Grouping | The following table presents estimated fair values of the Company’s financial instruments as of September 30, 2025 and December 31, 2024, whether or not recognized or recorded in the Consolidated Statements of Financial Condition (dollars in thousands):
|  |  | September 30, 2025 |  | December 31, 2024
| Level |  | Carrying Value |  | Estimated Fair Value |  | Carrying Value |  | Estimated Fair Value
Assets: |  |  |  |  |  |  |  |  |
Cash and cash equivalents | 1 |  | $ | 672,863 |  |  | $ | 672,863 |  |  | $ | 501,858 |  |  | $ | 501,858 |
Securities—available-for-sale | 2 |  | 1,989,454 |  |  | 1,989,454 |  |  | 2,078,826 |  |  | 2,078,826 |
Securities—available-for-sale | 3 |  | 29,071 |  |  | 29,071 |  |  | 25,685 |  |  | 25,685 |
Securities—held-to-maturity | 2 |  | 965,401 |  |  | 809,271 |  |  | 995,237 |  |  | 819,230 |
Securities—held-to-maturity | 3 |  | 6,202 |  |  | 6,163 |  |  | 6,327 |  |  | 6,298 |
Loans held for sale | 2 |  | 20,334 |  |  | 20,599 |  |  | 32,021 |  |  | 32,215 |
Loans receivable, net | 3 |  | 11,542,831 |  |  | 11,445,723 |  |  | 11,199,135 |  |  | 10,894,024 |
Equity securities | 1 |  | 510 |  |  | 510 |  |  | 481 |  |  | 481 |
FHLB stock | 3 |  | 14,226 |  |  | 14,226 |  |  | 22,451 |  |  | 22,451 |
Bank-owned life insurance | 1 |  | 317,469 |  |  | 317,469 |  |  | 312,549 |  |  | 312,549 |
Mortgage servicing rights | 3 |  | 11,962 |  |  | 35,526 |  |  | 12,618 |  |  | 37,926 |
SBA servicing rights | 3 |  | 1,122 |  |  | 1,122 |  |  | 869 |  |  | 869 |
Investments in limited partnerships | 3 |  | 16,929 |  |  | 16,929 |  |  | 13,955 |  |  | 13,955 |
Derivatives: |  |  |  |  |  |  |  |  |
Interest rate swaps | 2 |  | 10,292 |  |  | 10,292 |  |  | 14,507 |  |  | 14,507 |
Interest rate lock and forward sales commitments | 2,3 |  | 319 |  |  | 319 |  |  | 331 |  |  | 331 |
Liabilities: |  |  |  |  |  |  |  |  |
Demand, interest checking and money market accounts | 2 |  | 8,769,730 |  |  | 8,769,730 |  |  | 8,536,303 |  |  | 8,536,303 |
Regular savings | 2 |  | 3,705,823 |  |  | 3,705,823 |  |  | 3,478,423 |  |  | 3,478,423 |
Certificates of deposit | 2 |  | 1,540,382 |  |  | 1,535,106 |  |  | 1,499,672 |  |  | 1,492,829 |
FHLB advances | 2 |  | 100,000 |  |  | 100,000 |  |  | 290,000 |  |  | 290,000 |
Other borrowings | 2 |  | 120,536 |  |  | 120,536 |  |  | 125,257 |  |  | 125,257 |
Subordinated notes, net | 2 |  | — |  |  | — |  |  | 80,278 |  |  | 78,832 |
Junior subordinated debentures | 3 |  | 76,251 |  |  | 76,251 |  |  | 67,477 |  |  | 67,477 |
Derivatives: |  |  |  |  |  |  |  |  |
Interest rate swaps | 2 |  | 19,913 |  |  | 19,913 |  |  | 30,184 |  |  | 30,184 |
Interest rate lock and forward sales commitments | 2,3 |  | 106 |  |  | 106 |  |  | 2 |  |  | 2 |
Risk participation agreement | 2 |  | 8 |  |  | 8 |  |  | 6 |  |  | 6 |
Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis | The following tables present financial assets and liabilities measured at fair value on a recurring basis and the level within the fair value hierarchy of the fair value measurements for those assets and liabilities as of September 30, 2025 and December 31, 2024 (in thousands):
| September 30, 2025
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Assets: |  |  |  |  |  |  |
Securities—available-for-sale |  |  |  |  |  |  |
U.S. Government and agency obligations | $ | — |  |  | $ | 6,548 |  |  | $ | — |  |  | $ | 6,548 |
Municipal bonds | — |  |  | 131,215 |  |  | — |  |  | 131,215 |
Corporate bonds | — |  |  | 94,633 |  |  | 29,071 |  |  | 123,704 |
Mortgage-backed or related securities | — |  |  | 1,621,976 |  |  | — |  |  | 1,621,976 |
Asset-backed securities | — |  |  | 135,082 |  |  | — |  |  | 135,082 |
| — |  |  | 1,989,454 |  |  | 29,071 |  |  | 2,018,525 |
Loans held for sale(1) | — |  |  | 12,570 |  |  | — |  |  | 12,570 |
Equity securities | 510 |  |  | — |  |  | — |  |  | 510 |
SBA servicing rights | — |  |  | — |  |  | 1,122 |  |  | 1,122 |
Investment in limited partnerships | — |  |  | — |  |  | 16,929 |  |  | 16,929 |
Derivatives |  |  |  |  |  |  |
Interest rate swaps | — |  |  | 10,292 |  |  | — |  |  | 10,292 |
Interest rate lock and forward sales commitments | — |  |  | — |  |  | 319 |  |  | 319 |
| $ | 510 |  |  | $ | 2,012,316 |  |  | $ | 47,441 |  |  | $ | 2,060,267 |
Liabilities: |  |  |  |  |  |  |
Junior subordinated debentures | $ | — |  |  | $ | — |  |  | $ | 76,251 |  |  | $ | 76,251 |
Derivatives |  |  |  |  |  |  |
Interest rate swaps | — |  |  | 19,913 |  |  | — |  |  | 19,913 |
Interest rate lock and forward sales commitments | — |  |  | 44 |  |  | 62 |  |  | 106 |
Risk participation agreement | — |  |  | 8 |  |  | — |  |  | 8 |
| $ | — |  |  | $ | 19,965 |  |  | $ | 76,313 |  |  | $ | 96,278 |
| December 31, 2024
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Assets: |  |  |  |  |  |  |
Securities—available-for-sale |  |  |  |  |  |  |
U.S. Government and agency obligations | $ | — |  |  | $ | 7,933 |  |  | $ | — |  |  | $ | 7,933 |
Municipal bonds | — |  |  | 123,982 |  |  | — |  |  | 123,982 |
Corporate bonds | — |  |  | 99,305 |  |  | 25,685 |  |  | 124,990 |
Mortgage-backed or related securities | — |  |  | 1,676,848 |  |  | — |  |  | 1,676,848 |
Asset-backed securities | — |  |  | 170,758 |  |  | — |  |  | 170,758 |
| — |  |  | 2,078,826 |  |  | 25,685 |  |  | 2,104,511 |
Loans held for sale(1) | — |  |  | 26,185 |  |  | — |  |  | 26,185 |
Equity securities | 481 |  |  | — |  |  | — |  |  | 481 |
SBA servicing rights | — |  |  | — |  |  | 869 |  |  | 869 |
Investment in limited partnerships | — |  |  | — |  |  | 13,955 |  |  | 13,955 |
Derivatives |  |  |  |  |  |  |
Interest rate swaps | — |  |  | 14,507 |  |  | — |  |  | 14,507 |
Interest rate lock and forward sales commitments | — |  |  | 221 |  |  | 110 |  |  | 331 |
| $ | 481 |  |  | $ | 2,119,739 |  |  | $ | 40,619 |  |  | $ | 2,160,839 |
Liabilities: |  |  |  |  |  |  |
Junior subordinated debentures | $ | — |  |  | $ | — |  |  | $ | 67,477 |  |  | $ | 67,477 |
Derivatives |  |  |  |  |  |  |
Interest rate swaps | — |  |  | 30,184 |  |  | — |  |  | 30,184 |
Interest rate lock and forward sales commitments | — |  |  | — |  |  | 2 |  |  | 2 |
Risk participation agreement | — |  |  | 6 |  |  | — |  |  | 6 |
| $ | — |  |  | $ | 30,190 |  |  | $ | 67,479 |  |  | $ | 97,669 |
Schedule of Valuation Technique, Unobservable Input, and Qualitative Information for Unobservable Inputs | The following table provides a description of the valuation technique, unobservable inputs, and quantitative and qualitative information about the unobservable inputs for the Company’s assets and liabilities classified as Level 3 and measured at fair value on a recurring and non-recurring basis at September 30, 2025 and December 31, 2024:
|  |  |  |  |  | Weighted Average Rate or Range
Financial Instruments |  | Valuation Technique |  | Unobservable Inputs |  | September 30, 2025 |  | December 31, 2024
Corporate bonds (TPS) |  | Discounted cash flows |  | Discount rate |  | 7.74 | % |  | 9.57 | %
Junior subordinated debentures |  | Discounted cash flows |  | Discount rate |  | 7.74 | % |  | 9.57 | %
Loans individually evaluated |  | Collateral valuations |  | Discount to appraised value |  | 0% to 50% |  | 0% to 75%
Interest rate lock commitments |  | Pricing model |  | Pull-through rate |  | 90.11 | % |  | 92.34 | %
SBA servicing rights |  | Discounted cash flows |  | Constant prepayment rate |  | 17.78 | % |  | 18.85 | %
Schedule of Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation | The following tables provide a reconciliation of the assets and liabilities measured at fair value using significant unobservable inputs (Level 3) on a recurring basis during the three and nine months ended September 30, 2025 and 2024 (in thousands):
| Three Months Ended September 30, 2025
| Level 3 Fair Value Inputs
| TPS Securities |  | Borrowings—Junior Subordinated Debentures |  | Interest Rate Lock and Forward Sales Commitments |  | Investments in Limited Partnerships |  | SBA Servicing Asset
Beginning balance | $ | 27,944 |  |  | $ | 73,366 |  |  | $ | 491 |  |  | $ | 15,560 |  |  | $ | 1,038 |
Net change recognized in earnings | 81 |  |  | — |  |  | (234) |  |  | 225 |  |  | 84 |
Net change recognized in accumulated other comprehensive income (AOCI) | 1,046 |  |  | 2,885 |  |  | — |  |  | — |  |  | — |
Purchases, issuances and settlements | — |  |  | — |  |  | — |  |  | 649 |  |  | — |
Ending balance at September 30, 2025 | $ | 29,071 |  |  | $ | 76,251 |  |  | $ | 257 |  |  | $ | 16,434 |  |  | $ | 1,122 |
| Nine Months Ended September 30, 2025
| Level 3 Fair Value Inputs
| TPS Securities |  | Borrowings—Junior Subordinated Debentures |  | Interest Rate Lock and Forward Sales Commitments |  | Investments in Limited Partnerships |  | SBA Servicing Asset
Beginning balance | $ | 25,685 |  |  | $ | 67,477 |  |  | $ | 108 |  |  | $ | 13,955 |  |  | $ | 869 |
Net change recognized in earnings | 234 |  |  | — |  |  | 149 |  |  | 597 |  |  | 253 |
Net change recognized in AOCI | 3,152 |  |  | 8,774 |  |  | — |  |  | — |  |  | — |
Purchases, issuances and settlements | — |  |  | — |  |  | — |  |  | 1,882 |  |  | — |
Ending balance at September 30, 2025 | $ | 29,071 |  |  | $ | 76,251 |  |  | $ | 257 |  |  | $ | 16,434 |  |  | $ | 1,122 |
| Three Months Ended September 30, 2024
| Level 3 Fair Value Inputs
| TPS |  | Borrowings—Junior Subordinated Debentures |  | Interest Rate Lock and Forward Sales Commitments |  | Investments in Limited Partnerships |  | SBA Servicing Asset
Beginning balance | $ | 25,433 |  |  | $ | 66,831 |  |  | $ | 257 |  |  | $ | 13,417 |  |  | $ | 811 |
Net change recognized in earnings | 66 |  |  | — |  |  | 84 |  |  | (43) |  |  | (21) |
Net change recognized in AOCI | (280) |  |  | (574) |  |  | — |  |  | — |  |  | — |
Purchases, issuances and settlements | — |  |  | — |  |  | — |  |  | 208 |  |  | — |
Ending balance at September 30, 2024 | $ | 25,219 |  |  | $ | 66,257 |  |  | $ | 341 |  |  | $ | 13,582 |  |  | $ | 790 |
| Nine Months Ended September 30, 2024
| Level 3 Fair Value Inputs
| TPS Securities |  | Borrowings—Junior Subordinated Debentures |  | Interest Rate Lock and Forward Sales Commitments |  | Investments in Limited Partnerships |  | SBA Servicing Asset
Beginning balance | $ | 25,304 |  |  | $ | 66,413 |  |  | $ | 251 |  |  | $ | 13,475 |  |  | $ | 740 |
Net change recognized in earnings | 195 |  |  | — |  |  | 90 |  |  | (1,137) |  |  | 50 |
Net change recognized in AOCI | (280) |  |  | (156) |  |  | — |  |  | — |  |  | — |
Purchases, issuances and settlements | — |  |  | — |  |  | — |  |  | 1,244 |  |  | — |
Ending balance at September 30, 2024 | $ | 25,219 |  |  | $ | 66,257 |  |  | $ | 341 |  |  | $ | 13,582 |  |  | $ | 790 |
Schedule of Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis | The following tables present financial assets and liabilities measured at fair value on a non-recurring basis and the level within the fair value hierarchy of the fair value measurements for those assets as of September 30, 2025 and December 31, 2024 (in thousands):
| September 30, 2025
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Loans individually evaluated | $ | — |  |  | $ | — |  |  | $ | 5,879 |  |  | $ | 5,879 |
Real estate owned (REO) | — |  |  | — |  |  | 5,272 |  |  | 5,272 |
| December 31, 2024
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Loans individually evaluated | $ | — |  |  | $ | — |  |  | $ | 6,590 |  |  | $ | 6,590 |
REO | — |  |  | — |  |  | 2,367 |  |  | 2,367 |
The following table presents the gains and losses resulting from non-recurring fair value adjustments for the three and nine months ended September 30, 2025 and 2024 (in thousands).
Fair Value, Nonrecurring Fair Value Adjustments, Gains and Losses |
|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
|  | 2025 |  | 2024 |  | 2025 |  | 2024
Loans individually evaluated |  | $ | (730) |  |  | $ | — |  |  | $ | (730) |  |  | $ | (347) |

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- Definition Tabular disclosure of assets and liabilities by class, including financial instruments measured at fair value that are classified in shareholders' equity, if any, that are measured at fair value on a nonrecurring basis in periods after initial recognition (for example, impaired assets). Disclosures may include, but are not limited to: (a) the fair value measurements recorded and the reasons for the measurements and (b) the level within the fair value hierarchy in which the fair value measurements are categorized in their entirety (levels 1, 2, 3). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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- Definition Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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