FAIR VALUE - LEVEL 3 ASSETS MEASURED ON RECURRING BASIS (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Included in earnings—Mortgage banking income [Extensible Enumeration]	Mortgage banking and servicing rights income	Mortgage banking and servicing rights income	Mortgage banking and servicing rights income	Mortgage banking and servicing rights income
Included in other comprehensive income [Extensible Enumeration]	Other comprehensive income (loss)	Other comprehensive income (loss)	Other comprehensive income (loss)	Other comprehensive income (loss)
Recurring \| Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Opening Balance	$ 235,414	$ 210,920	$ 230,448	$ 212,491
Included in earnings—Mortgage banking and servicing rights income	(1,494)	(1,563)	365	(539)
Included in other comprehensive income	1,876	(2,143)	3,191	(4,616)
Purchases, retentions, issues, sales and settlements:
Purchases/Retentions	199	199	2,235	406
Settlements	(244)	(6,746)	(488)	(7,075)
Closing balance	235,751	200,667	235,751	200,667
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period	(1,494)	(1,563)	365	(539)
Principal payments and loans that were paid down or paid off	300	100	500	500
Market-driven changes in interest rates	(1,200)	(900)	900	400
Recurring \| Level 3 \| Available-for-Sale Securities: Non-Agency MBS
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Opening Balance	206,076	184,012	205,005	186,814
Included in earnings—Mortgage banking and servicing rights income	0	0	0	0
Included in other comprehensive income	1,876	(2,143)	3,191	(4,616)
Purchases, retentions, issues, sales and settlements:
Purchases/Retentions	0	0	0	0
Settlements	(244)	(6,746)	(488)	(7,075)
Closing balance	207,708	175,123	207,708	175,123
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period	0	0	0	0
Recurring \| Level 3 \| Servicing Rights
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Opening Balance	29,338	26,373	25,443	25,213
Included in earnings—Mortgage banking and servicing rights income	(1,494)	(1,046)	365	(93)
Included in other comprehensive income	0	0	0	0
Purchases, retentions, issues, sales and settlements:
Purchases/Retentions	199	199	2,235	406
Settlements	0	0	0	0
Closing balance	28,043	25,526	28,043	25,526
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period	$ (1,494)	(1,046)	$ 365	(93)
Recurring \| Level 3 \| Derivative Instruments, net
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Opening Balance		535		464
Included in earnings—Mortgage banking and servicing rights income		(517)		(446)
Included in other comprehensive income		0		0
Purchases, retentions, issues, sales and settlements:
Purchases/Retentions		0		0
Settlements		0		0
Closing balance		18		18
Change in unrealized gains or losses for the period included in earnings for assets held at the end of the reporting period		$ (517)		$ (446)

Increase (Decrease) in Mortgage Servicing Rights, Market Risk of Interest Rates

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

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- Definition

Amount of gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

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- Definition

Amount of increase (decrease) of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-SubTopic 10
-Topic 820
-Publisher FASB
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- Definition

Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-Publisher FASB
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Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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- Definition

Indicates line item in statement in which net income is reported that includes gain (loss) from asset measured at fair value using unobservable input (level 3).

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Indicates line item in statement in which other comprehensive income (OCI) is reported that includes gain (loss) from asset measured at fair value using unobservable input (level 3).

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- Definition

Cash payments for and related to principal collection on loans related to operating activities.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 25
-Subparagraph (g)
-SubTopic 10
-Topic 230
-Publisher FASB
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