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LOANS AND LEASES RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES ON LOANS AND LEASES - Schedule of Loan Purchases and Sales (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
PCD debt securities acquired:
Purchases	$ 103,556	$ 43,241	$ 209,576	$ 50,644
Sales	$ 0	$ 23,708	$ 8,281	$ 23,708
Purchase price as a percentage of loans outstanding	74.40%	99.50%	87.10%	99.60%
Gain loss on sales of loans, net	$ 0	$ 200	$ 0
Other commercial and industrial
PCD debt securities acquired:
Purchases	52,776	0	53,855	$ 7,403
Sales	0	23,708	0	23,708
Construction
PCD debt securities acquired:
Purchases	10,080	0	10,080	0
Personal installment
PCD debt securities acquired:
Purchases	40,700	43,241	145,641	43,241
Sales	0	0	281	0
Multifamily
PCD debt securities acquired:
Sales	$ 0	$ 0	$ 8,000	$ 0

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Loans Held-for-investment, Purchase Price as a Percentage of Loans Outstanding

+ References

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481628/310-20-40-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
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-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
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Amount excluding accrued interest, of increase in financing receivable from purchase. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 11
-Subparagraph (h)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-11

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Amount excluding accrued interest, of decrease from sale and reclassification to held-for-sale of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 11
-Subparagraph (i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-11

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The net gain (loss) resulting from a sale of loans, including adjustments to record loans classified as held-for-sale at the lower-of-cost-or-market and fair value adjustments to loan held for investment purposes.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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