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+ References

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- Definition

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-5

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- References

No definition available.

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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Loan Summary (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Jun. 30, 2025	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Dec. 31, 2023
Loans receivable, net
Loans	$ 10,750,262		$ 10,432,365
Allowance for credit losses	(84,944)		(79,114)	$ (76,200)
Loans, net of allowance for credit losses	10,665,318		10,353,251
CRE - multifamily
Loans receivable, net
Loans	894,990		724,114
CRE - owner occupied
Loans receivable, net
Loans	860,399		864,783
CRE - non-owner occupied
Loans receivable, net
Loans	1,671,699		1,775,099
Commercial & industrial and other business loans
Loans receivable, net
Loans	1,236,790		1,141,182
Consumer mortgage
Loans receivable, net
Loans	3,544,277		3,489,780
Consumer indirect
Loans receivable, net
Loans	1,834,766		1,767,655
Consumer direct
Loans receivable, net
Loans	196,408		192,327
Home equity
Loans receivable, net
Loans	510,933		477,425
Commercial Portfolio Segment \| CRE - multifamily
Loans receivable, net
Loans	894,990		724,114
Commercial Portfolio Segment \| CRE - owner occupied
Loans receivable, net
Loans	860,399		864,783
Commercial Portfolio Segment \| CRE - non-owner occupied
Loans receivable, net
Loans	1,671,699		1,775,099
Commercial Portfolio Segment \| Commercial & industrial and other business loans
Loans receivable, net
Loans	1,236,790		1,141,182
Residential Portfolio Segment \| Consumer mortgage
Loans receivable, net
Loans	3,544,277		3,489,780
Allowance for credit losses	(14,057)	$ (14,196)	(15,017)	(14,794)	$ (14,303)	$ (15,333)
Residential Portfolio Segment \| Home equity
Loans receivable, net
Loans	510,933		477,425
Allowance for credit losses	(1,526)	(1,483)	(1,548)	(1,566)	(1,519)	(1,628)
Consumer Portfolio Segment \| Consumer indirect
Loans receivable, net
Loans	1,834,766		1,767,655
Allowance for credit losses	(20,320)	(19,885)	(20,895)	(21,086)	(20,124)	(18,585)
Consumer Portfolio Segment \| Consumer direct
Loans receivable, net
Loans	196,408		192,327
Allowance for credit losses	$ (4,129)	$ (4,133)	$ (3,453)	$ (3,972)	$ (3,368)	$ (3,269)