Organization and Summary of Significant Accounting Policies - Correction of an Immaterial Error in Prior Period Financial Statements (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Liabilities and Stockholders' Equity
Deposits	$ 4,281,368	$ 3,943,059
Securities sold under agreements to repurchase	15,000	9,398
Interest Expense
Deposits	115,773	101,706	$ 44,392
Securities sold under agreements to repurchase	766	451	$ 213
Financial liabilities
Deposits	4,281,368	3,943,059
Securities sold under agreements to repurchase	15,000	9,398
Fair Value, Inputs, Level 2
Financial liabilities
Securities sold under agreements to repurchase	$ 15,000	9,398
Previously Reported
Liabilities and Stockholders' Equity
Deposits		3,952,457
Interest Expense
Deposits		102,157
Financial liabilities
Deposits		3,952,457
Revision of Prior Period, Adjustment
Liabilities and Stockholders' Equity
Deposits		(9,398)
Securities sold under agreements to repurchase		9,398
Interest Expense
Deposits		(451)
Securities sold under agreements to repurchase		451
Financial liabilities
Deposits		(9,398)
Securities sold under agreements to repurchase		9,398
Revision of Prior Period, Adjustment | Fair Value, Inputs, Level 2
Financial liabilities
Securities sold under agreements to repurchase		$ 9,398