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ORGANIZATIONS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - NARRATIVE (Details) $ in Thousands	12 Months Ended
	Jun. 30, 2023 USD ($) segment state
Concentration Risk [Line Items]
Number of states in which the bank operates | state	50
Number of loan portfolio segments | segment	6
Minimum
Concentration Risk [Line Items]
Fixed assets, estimated useful lives (in years)	3 years
Minimum | Single Family - Mortgage & Warehouse
Concentration Risk [Line Items]
Total	$ 500
Maximum
Concentration Risk [Line Items]
Fixed assets, estimated useful lives (in years)	7 years
Maximum | Single Family - Mortgage & Warehouse
Concentration Risk [Line Items]
Total	$ 50,000
Single Family Mortgage Secured | Minimum | Single Family - Mortgage & Warehouse
Concentration Risk [Line Items]
Maturity term (in years and in months)	15 years
Single Family Mortgage Secured | Maximum | Single Family - Mortgage & Warehouse
Concentration Risk [Line Items]
Maturity term (in years and in months)	30 years
Auto | Minimum | Auto & Consumer
Concentration Risk [Line Items]
Maturity term (in years and in months)	2 years
Auto | Maximum | Auto & Consumer
Concentration Risk [Line Items]
Maturity term (in years and in months)	8 years
Consumer Unsecured Lending | Minimum | Auto & Consumer
Concentration Risk [Line Items]
Maturity term (in years and in months)	36 months
Total	$ 7
Consumer Unsecured Lending | Maximum | Auto & Consumer
Concentration Risk [Line Items]
Maturity term (in years and in months)	72 months
Total	$ 50

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- Definition

Financing Receivable, Maturity Term

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- Definition

Furniture, Equipment and Software, Estimated Useful Lives

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- Definition

Number of Loan Portfolio Segments

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- Definition

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/2003/role/disclosureRef
-Topic 954
-SubTopic 310
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481027/954-310-50-2

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- Definition

Amortized cost, before allowance for credit loss, fee, and loan in process, of financing receivable. Excludes financing receivable covered under loss sharing agreement and 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 5
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-5

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481990/310-10-45-2

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(7))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

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- Definition

The number of states the entity operates in as of the balance sheet date.

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