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SECURITIES - Securities Available for Sale (Details) - USD ($)	Sep. 30, 2025	Jun. 30, 2025
Schedule of Available for Sale Securities [Line Items]
Amortized Cost	$ 1,116,953,000	$ 1,125,111,000
Gross Unrealized Gains	2,824,000	2,015,000
Gross Unrealized Losses	103,595,000	114,157,000
Allowance for Credit Losses	0	0
Fair Value	1,016,182,000	1,012,969,000
Debt securities
Schedule of Available for Sale Securities [Line Items]
Amortized Cost	534,367,000	532,212,000
Gross Unrealized Gains	1,752,000	1,250,000
Gross Unrealized Losses	8,453,000	10,602,000
Allowance for Credit Losses	0	0
Fair Value	527,666,000	522,860,000
Asset-backed securities
Schedule of Available for Sale Securities [Line Items]
Amortized Cost	58,686,000	60,255,000
Gross Unrealized Gains	9,000	59,000
Gross Unrealized Losses	207,000	816,000
Allowance for Credit Losses	0	0
Fair Value	58,488,000	59,498,000
Collateralized loan obligations
Schedule of Available for Sale Securities [Line Items]
Amortized Cost	331,135,000	322,407,000
Gross Unrealized Gains	883,000	956,000
Gross Unrealized Losses	163,000	118,000
Allowance for Credit Losses	0	0
Fair Value	331,855,000	323,245,000
Corporate bonds
Schedule of Available for Sale Securities [Line Items]
Amortized Cost	144,546,000	149,550,000
Gross Unrealized Gains	860,000	235,000
Gross Unrealized Losses	8,083,000	9,668,000
Allowance for Credit Losses	0	0
Fair Value	137,323,000	140,117,000
Mortgage-backed securities
Schedule of Available for Sale Securities [Line Items]
Amortized Cost	582,586,000	592,899,000
Gross Unrealized Gains	1,072,000	765,000
Gross Unrealized Losses	95,142,000	103,555,000
Allowance for Credit Losses	0	0
Fair Value	488,516,000	490,109,000
Residential pass-through securities
Schedule of Available for Sale Securities [Line Items]
Amortized Cost	430,740,000	440,168,000
Gross Unrealized Gains	608,000	329,000
Gross Unrealized Losses	75,009,000	83,178,000
Allowance for Credit Losses	0	0
Fair Value	356,339,000	357,319,000
Commercial pass-through securities
Schedule of Available for Sale Securities [Line Items]
Amortized Cost	151,846,000	152,731,000
Gross Unrealized Gains	464,000	436,000
Gross Unrealized Losses	20,133,000	20,377,000
Allowance for Credit Losses	0	0
Fair Value	$ 132,177,000	$ 132,790,000

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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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