LOANS, LEASES & ALLOWANCE FOR LOAN AND LEASE LOSSES - ALLOWANCE FOR LOAN LOSS BY PORTFOLIO CLASS (Details) - USD ($) $ in Thousands	3 Months Ended
Sep. 30, 2019	Sep. 30, 2018
Allowance for Loan and Lease Losses [Roll Forward]
Balance, beginning of period	$ 57,085	$ 49,151
Provision for loan and lease losses	2,700	600
Charge-offs	(1,077)	(1,225)
Recoveries	519	1,594
Balance, end of period	59,227	50,120
Mortgage
Allowance for Loan and Lease Losses [Roll Forward]
Balance, beginning of period	21,295	20,382
Provision for loan and lease losses	(824)	930
Charge-offs	(6)	(1)
Recoveries	108	398
Balance, end of period	20,573	21,709
Warehouse
Allowance for Loan and Lease Losses [Roll Forward]
Balance, beginning of period	996	523
Provision for loan and lease losses	144	(27)
Charge-offs	0	0
Recoveries	0	0
Balance, end of period	1,140	496
Financing
Allowance for Loan and Lease Losses [Roll Forward]
Balance, beginning of period	5,331	1,557
Provision for loan and lease losses	(1,590)	(124)
Charge-offs	0	0
Recoveries	0	0
Balance, end of period	3,741	1,433
Multifamily secured - mortgage and financing
Allowance for Loan and Lease Losses [Roll Forward]
Balance, beginning of period	4,097	5,010
Provision for loan and lease losses	1,211	(193)
Charge-offs	0	0
Recoveries	0	109
Balance, end of period	5,308	4,926
Commercial real estate secured - mortgage
Allowance for Loan and Lease Losses [Roll Forward]
Balance, beginning of period	1,044	849
Provision for loan and lease losses	60	6
Charge-offs	0	0
Recoveries	0	0
Balance, end of period	1,104	855
Auto and RV secured
Allowance for Loan and Lease Losses [Roll Forward]
Balance, beginning of period	4,818	3,178
Provision for loan and lease losses	308	622
Charge-offs	(275)	(233)
Recoveries	76	48
Balance, end of period	4,927	3,615
Commercial & Industrial
Allowance for Loan and Lease Losses [Roll Forward]
Balance, beginning of period	17,514	16,282
Provision for loan and lease losses	3,205	203
Charge-offs	0	(600)
Recoveries	0	0
Balance, end of period	20,719	15,885
Other
Allowance for Loan and Lease Losses [Roll Forward]
Balance, beginning of period	1,990	1,370
Provision for loan and lease losses	186	(817)
Charge-offs	(796)	(391)
Recoveries	335	1,039
Balance, end of period	$ 1,715	$ 1,201

Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

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- Definition

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

+ References

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Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

+ References

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- Definition

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

+ References

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Amount of expense related to estimated loss from loan and lease transactions.

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