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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
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Amount of unamortized loan commitment, origination, and other costs (fees) and purchase premium (discount) on financing receivable recognized as adjustment to yield. Excludes financing receivable covered under loss sharing agreement.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
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-URI https://asc.fasb.org/1943274/2147481598/310-20-45-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
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LOANS & ALLOWANCE FOR CREDIT LOSSES - SCHEDULE OF LOAN PORTFOLIO COMPOSITION (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Dec. 31, 2023	Dec. 07, 2023	Sep. 30, 2023	Jun. 30, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	$ 20,026,374		$ 19,802,811
Allowance for credit losses - loans	(270,605)	$ (263,854)	(260,542)	$ (251,749)		$ (170,870)	$ (166,680)
Unaccreted premiums (discounts) and loan fees	(269,042)		(310,884)
Total net loans	19,486,727		19,231,385
Single Family - Mortgage & Warehouse
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	4,149,778		4,178,832
Allowance for credit losses - loans	(16,104)	(17,453)	(16,943)	(15,356)		(17,426)	(17,503)
Multifamily and Commercial Mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	3,430,948		3,861,931
Allowance for credit losses - loans	(56,077)	(65,608)	(70,771)	(78,353)		(15,874)	(16,848)
Multifamily and Commercial Mortgage \| Real Estate Loan Portfolios
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	281,300		284,000
Commercial Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	6,214,834		6,088,622
Allowance for credit losses - loans	(102,454)	(95,032)	(87,780)	(77,778)		(71,355)	(72,755)
Commercial Real Estate \| Real Estate Loan Portfolios
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	44,500		44,500
Total net loans					$ 1,300,000
Commercial & Industrial - Non-RE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	5,809,877		5,241,766
Allowance for credit losses - loans	(84,455)	(76,555)	(76,032)	(69,201)		(54,592)	(46,347)
Auto & Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total gross loans	420,937		431,660
Allowance for credit losses - loans	$ (11,515)	$ (9,206)	$ (9,016)	$ (11,061)		$ (11,623)	$ (13,227)