Securities - Securities Held to Maturity (Details) - USD ($)	Jun. 30, 2024	Jun. 30, 2023
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 135,742,000	$ 146,465,000
Gross Unrecognized Gains	0	0
Gross Unrecognized Losses	16,464,000	15,296,000
Allowance for Credit Losses	0	0
Investment securities held to maturity	119,278,000	131,169,000
Debt securities:
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	12,913,000	16,051,000
Gross Unrecognized Gains	0	0
Gross Unrecognized Losses	277,000	321,000
Allowance for Credit Losses	0	0
Investment securities held to maturity	12,636,000	15,730,000
Obligations of state and political subdivisions
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	12,913,000	16,051,000
Gross Unrecognized Gains	0	0
Gross Unrecognized Losses	277,000	321,000
Allowance for Credit Losses	0	0
Investment securities held to maturity	12,636,000	15,730,000
Mortgage-backed securities:
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	122,829,000	130,414,000
Gross Unrecognized Gains	0	0
Gross Unrecognized Losses	16,187,000	14,975,000
Allowance for Credit Losses	0	0
Investment securities held to maturity	106,642,000	115,439,000
Residential pass-through securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	110,614,000	118,166,000
Gross Unrecognized Gains	0	0
Gross Unrecognized Losses	14,134,000	12,736,000
Allowance for Credit Losses	0	0
Investment securities held to maturity	96,480,000	105,430,000
Commercial pass-through securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	12,215,000	12,248,000
Gross Unrecognized Gains	0	0
Gross Unrecognized Losses	2,053,000	2,239,000
Allowance for Credit Losses	0	0
Investment securities held to maturity	$ 10,162,000	$ 10,009,000

Amount, excluding accrued interest, of allowance for credit loss on investment in debt security measured at amortized cost (held-to-maturity).

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