Fair Value Measurements - Fair value of Assets Measured on a Recurring Basis and Nonrecurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Jun. 30, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative financial instruments (Assets)	$ 20
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Prepaid Expense and Other Assets
Derivative financial instruments (Liabilities)	$ 15
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Accounts Payable and Other Accrued Liabilities
Fair Value, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative financial instruments (Assets)	$ 20
Derivative financial instruments (Liabilities)	15
Fair Value, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreclosed and repossessed assets held for sale	759	$ 1,472
Collateral dependent loans	12,994
Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative financial instruments (Assets)	20
Derivative financial instruments (Liabilities)	15
Fair Value, Inputs, Level 2 | Fair Value, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative financial instruments (Assets)	20
Derivative financial instruments (Liabilities)	15
Fair Value, Inputs, Level 3 | Fair Value, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreclosed and repossessed assets held for sale	759	1,472
Collateral dependent loans	12,994
Obligations of states and political subdivisions | Fair Value, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities	27,753	42,568
Obligations of states and political subdivisions | Fair Value, Inputs, Level 2 | Fair Value, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities	27,753	42,568
Corporate Obligations | Fair Value, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities	31,277	32,538
Corporate Obligations | Fair Value, Inputs, Level 2 | Fair Value, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities	31,277	32,538
Asset backed securities | Fair Value, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities	58,679	68,626
Asset backed securities | Fair Value, Inputs, Level 2 | Fair Value, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities	58,679	68,626
Other securities | Fair Value, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities	5,333	3,570
Other securities | Fair Value, Inputs, Level 2 | Fair Value, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities	5,333	3,570
MBS and CMOs | Fair Value, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities	304,861	270,252
MBS and CMOs | Fair Value, Inputs, Level 2 | Fair Value, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities	304,861	$ 270,252
Mortgage servicing assets | Fair Value, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities	2,448
Mortgage servicing assets | Fair Value, Inputs, Level 3 | Fair Value, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities	$ 2,448