Fair Value Measurements and Fair Value of Financial Instruments, Fair Value Measurements for Collateral Dependent Evaluated Loans and Foreclosed Real Estate (Details) - Nonrecurring [Member] - Level 3 [Member] - USD ($) $ in Thousands	Mar. 31, 2024	Jun. 30, 2023
Carrying Amount [Member]
Assets Measured at Fair Value on Nonrecurring Basis [Abstract]
Collateral dependent evaluated loans	$ 5,656	$ 7,578
Foreclosed real estate	302	302
Estimated Fair Value [Member]
Assets Measured at Fair Value on Nonrecurring Basis [Abstract]
Collateral dependent evaluated loans	3,765	5,565
Foreclosed real estate	$ 302	$ 302