Securities, Held-to-maturity Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Jun. 30, 2022
Held-to-Maturity Securities, Fair Value to Amortized Cost Basis [Abstract]
Amortized Cost	$ 75,812	$ 79,950
Gross Unrealized Gains	0	0
Gross Unrealized Losses	11,800	10,437
Fair Value	64,012	69,513
Debt Securities [Member]
Held-to-Maturity Securities, Fair Value to Amortized Cost Basis [Abstract]
Amortized Cost	72,958	78,072
Gross Unrealized Gains	0	0
Gross Unrealized Losses	11,724	10,335
Fair Value	61,234	67,737
GNMA Mortgage-Backed Certificates [Member]
Held-to-Maturity Securities, Fair Value to Amortized Cost Basis [Abstract]
Amortized Cost	627	640
Gross Unrealized Gains	0	0
Gross Unrealized Losses	51	40
Fair Value	576	600
FHLMC Mortgage-Backed Certificates [Member]
Held-to-Maturity Securities, Fair Value to Amortized Cost Basis [Abstract]
Amortized Cost	30,528	32,485
Gross Unrealized Gains	0	0
Gross Unrealized Losses	5,169	4,602
Fair Value	25,359	27,883
FNMA Mortgage-Backed Certificates [Member]
Held-to-Maturity Securities, Fair Value to Amortized Cost Basis [Abstract]
Amortized Cost	41,803	44,947
Gross Unrealized Gains	0	0
Gross Unrealized Losses	6,504	5,693
Fair Value	35,299	39,254
Municipals [Member]
Held-to-Maturity Securities, Fair Value to Amortized Cost Basis [Abstract]
Amortized Cost	1,317	1,336
Gross Unrealized Gains	0	0
Gross Unrealized Losses	76	102
Fair Value	1,241	1,234
Equity Securities (Non-Marketable) [Member]
Held-to-Maturity Securities, Fair Value to Amortized Cost Basis [Abstract]
Amortized Cost	1,537	542
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	1,537	542
Federal Home Loan Bank [Member]
Held-to-Maturity Securities, Fair Value to Amortized Cost Basis [Abstract]
Amortized Cost	1,287	292
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	$ 1,287	$ 292
Number of equity securities (in shares)	12,865	2,919
First National Bankers Bankshares, Inc. [Member]
Held-to-Maturity Securities, Fair Value to Amortized Cost Basis [Abstract]
Amortized Cost	$ 250	$ 250
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	$ 250	$ 250
Number of equity securities (in shares)	630	630

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
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Amount of accumulated unrecognized gain on investment in debt security measured at amortized cost (held-to-maturity).

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Fair value of investment in debt security measured at amortized cost (held-to-maturity).

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