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FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)

9 Months Ended

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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