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SECURITIES - Securities Available for Sale (Details) - USD ($)	Dec. 31, 2024	Jun. 30, 2024
Schedule of Available for Sale Securities [Line Items]
Amortized Cost	$ 1,144,579,000	$ 1,203,506,000
Gross Unrealized Gains	2,352,000	2,920,000
Gross Unrealized Losses	128,652,000	133,593,000
Allowance for Credit Losses	0	0
Fair Value	1,018,279,000	1,072,833,000
Debt securities
Schedule of Available for Sale Securities [Line Items]
Amortized Cost	554,183,000	618,179,000
Gross Unrealized Gains	2,232,000	2,855,000
Gross Unrealized Losses	13,696,000	19,254,000
Allowance for Credit Losses	0	0
Fair Value	542,719,000	601,780,000
Asset-backed securities
Schedule of Available for Sale Securities [Line Items]
Amortized Cost	72,057,000	80,305,000
Gross Unrealized Gains	178,000	217,000
Gross Unrealized Losses	156,000	82,000
Allowance for Credit Losses	0	0
Fair Value	72,079,000	80,440,000
Collateralized loan obligations
Schedule of Available for Sale Securities [Line Items]
Amortized Cost	331,273,000	386,983,000
Gross Unrealized Gains	1,812,000	2,574,000
Gross Unrealized Losses	20,000	14,000
Allowance for Credit Losses	0	0
Fair Value	333,065,000	389,543,000
Corporate bonds
Schedule of Available for Sale Securities [Line Items]
Amortized Cost	150,853,000	150,891,000
Gross Unrealized Gains	242,000	64,000
Gross Unrealized Losses	13,520,000	19,158,000
Allowance for Credit Losses	0	0
Fair Value	137,575,000	131,797,000
Mortgage-backed securities
Schedule of Available for Sale Securities [Line Items]
Amortized Cost	590,396,000	585,327,000
Gross Unrealized Gains	120,000	65,000
Gross Unrealized Losses	114,956,000	114,339,000
Allowance for Credit Losses	0	0
Fair Value	475,560,000	471,053,000
Residential pass-through securities
Schedule of Available for Sale Securities [Line Items]
Amortized Cost	435,956,000	429,473,000
Gross Unrealized Gains	4,000	2,000
Gross Unrealized Losses	92,787,000	92,211,000
Allowance for Credit Losses	0	0
Fair Value	343,173,000	337,264,000
Commercial pass-through securities
Schedule of Available for Sale Securities [Line Items]
Amortized Cost	154,440,000	155,854,000
Gross Unrealized Gains	116,000	63,000
Gross Unrealized Losses	22,169,000	22,128,000
Allowance for Credit Losses	0	0
Fair Value	$ 132,387,000	$ 133,789,000

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Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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