FAIR VALUE - FAIR VALUE BY BALANCE SHEET GROUPING (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Jun. 30, 2021
Financial assets:
Trading	$ 366	$ 1,983
Available-for-sale	229,510	187,335
Loans held for sale, at fair value	19,611	29,768
Loans held for sale, lower of cost or fair value	11,182	12,294
Securities borrowed	274,644	619,088
Financial liabilities:
Securities loaned	447,748	728,988
Carrying Amount
Financial assets:
Cash and cash equivalents	1,249,314	1,037,777
Trading	366	1,983
Available-for-sale	229,510	187,335
Loans held for sale, at fair value	19,611	29,768
Loans held for sale, lower of cost or fair value	11,182	12,294
Loans held for investment—net	13,093,603	11,414,814
Securities borrowed	274,644	619,088
Customer, broker-dealer and clearing receivables	510,561	369,815
Mortgage servicing rights	23,519	17,911
Financial liabilities:
Total deposits	12,733,002	10,815,797
Advances from the Federal Home Loan Bank	152,500	353,500
Borrowings, subordinated notes and debentures	381,682	221,358
Securities loaned	447,748	728,988
Customer, broker-dealer and clearing payables	543,905	535,425
Total Fair Value
Financial assets:
Cash and cash equivalents	1,249,314	1,037,777
Trading	366	1,983
Available-for-sale	229,510	187,335
Loans held for sale, at fair value	19,611	29,768
Loans held for sale, lower of cost or fair value	11,255	12,336
Loans held for investment—net	13,149,215	11,833,102
Securities borrowed	263,274	619,274
Customer, broker-dealer and clearing receivables	502,086	369,815
Mortgage servicing rights	23,519	17,911
Financial liabilities:
Total deposits	11,750,900	10,297,450
Advances from the Federal Home Loan Bank	151,017	353,500
Borrowings, subordinated notes and debentures	358,541	210,196
Securities loaned	449,181	731,467
Customer, broker-dealer and clearing payables	532,854	535,425
Level 1
Financial assets:
Cash and cash equivalents	1,249,314	1,037,777
Trading	0	0
Available-for-sale	0	0
Loans held for sale, at fair value	0	0
Loans held for sale, lower of cost or fair value	0	0
Loans held for investment—net	0	0
Securities borrowed	0	0
Customer, broker-dealer and clearing receivables	0	0
Mortgage servicing rights	0	0
Financial liabilities:
Total deposits	0	0
Advances from the Federal Home Loan Bank	0	0
Borrowings, subordinated notes and debentures	0	0
Securities loaned	0	0
Customer, broker-dealer and clearing payables	0	0
Level 2
Financial assets:
Cash and cash equivalents	0	0
Trading	366	1,983
Available-for-sale	78,031	119,720
Loans held for sale, at fair value	19,611	29,768
Loans held for sale, lower of cost or fair value	0	0
Loans held for investment—net	0	0
Securities borrowed	0	0
Customer, broker-dealer and clearing receivables	0	0
Mortgage servicing rights	0	0
Financial liabilities:
Total deposits	11,750,900	10,297,450
Advances from the Federal Home Loan Bank	151,017	353,500
Borrowings, subordinated notes and debentures	358,541	210,196
Securities loaned	0	0
Customer, broker-dealer and clearing payables	0	0
Level 3
Financial assets:
Cash and cash equivalents	0	0
Trading	0	0
Available-for-sale	151,479	67,615
Loans held for sale, at fair value	0	0
Loans held for sale, lower of cost or fair value	11,255	12,336
Loans held for investment—net	13,149,215	11,833,102
Securities borrowed	263,274	619,274
Customer, broker-dealer and clearing receivables	502,086	369,815
Mortgage servicing rights	23,519	17,911
Financial liabilities:
Total deposits	0	0
Advances from the Federal Home Loan Bank	0	0
Borrowings, subordinated notes and debentures	0	0
Securities loaned	449,181	731,467
Customer, broker-dealer and clearing payables	$ 532,854	$ 535,425

Financing Receivable, Lower Of Cost Or Fair Value

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Amount payable to other broker-dealer and clearing organization, including, but not limited to, security failed-to-receive, deposit received for security loaned, open transaction, and floor-brokerage payable.

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Fair value of subordinated debt obligations including, but not limited to, subordinated loan, subordinated bond, subordinated debenture or junior debt.

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Fair value portion of borrowing from Federal Home Loan Bank (FHLBank).

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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Amount, after the effects of master netting arrangements, of securities borrowed from entities in exchange for collateral. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Amount, after the effects of master netting arrangements, of securities loaned to entities in exchange for collateral. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

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Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading) and investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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