Advances from Federal Home Loan Bank (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Jun. 30, 2020
Federal Home Loan Bank Advances.	$ 57,529	$ 70,024
Weighted-average rate	1.97%	2.01%
09/09/20 | Federal Home Loan Bank Advances Maturity Date
Federal Home Loan Bank, Advances, Interest Rate	2.02%
Federal Home Loan Bank Advances.		$ 4,982
11/23/20 | Federal Home Loan Bank Advances Maturity Date
Federal Home Loan Bank, Advances, Interest Rate	2.13%
Federal Home Loan Bank Advances.		1,741
01/14/21 | Federal Home Loan Bank Advances Maturity Date
Federal Home Loan Bank, Advances, Interest Rate	1.92%
Federal Home Loan Bank Advances.		249
03/31/21 | Federal Home Loan Bank Advances Maturity Date
Federal Home Loan Bank, Advances, Interest Rate	1.68%
Federal Home Loan Bank Advances.		248
05/17/21 | Federal Home Loan Bank Advances Maturity Date
Federal Home Loan Bank, Advances, Interest Rate	2.43%
Federal Home Loan Bank Advances.		5,000
06/10/21 | Federal Home Loan Bank Advances Maturity Date
Federal Home Loan Bank, Advances, Interest Rate	1.42%
Federal Home Loan Bank Advances.		247
09/07/21 | Federal Home Loan Bank Advances Maturity Date
Federal Home Loan Bank, Advances, Interest Rate	2.81%
Federal Home Loan Bank Advances.	$ 9,000	9,000
09/09/21 | Federal Home Loan Bank Advances Maturity Date
Federal Home Loan Bank, Advances, Interest Rate	2.28%
Federal Home Loan Bank Advances.	$ 1,994	1,977
10/01/21 | Federal Home Loan Bank Advances Maturity Date
Federal Home Loan Bank, Advances, Interest Rate	2.53%
Federal Home Loan Bank Advances.	$ 5,000	5,000
11/16/21 | Federal Home Loan Bank Advances Maturity Date
Federal Home Loan Bank, Advances, Interest Rate	2.43%
Federal Home Loan Bank Advances.	$ 5,000	5,000
03/07/22 | Federal Home Loan Bank Advances Maturity Date
Federal Home Loan Bank, Advances, Interest Rate	0.95%
Federal Home Loan Bank Advances.	$ 3,000	3,000
03/31/22 | Federal Home Loan Bank Advances Maturity Date
Federal Home Loan Bank, Advances, Interest Rate	1.91%
Federal Home Loan Bank Advances.	$ 248	246
08/15/22 | Federal Home Loan Bank Advances Maturity Date
Federal Home Loan Bank, Advances, Interest Rate	1.89%
Federal Home Loan Bank Advances.	$ 3,000	3,000
03/06/23 | Federal Home Loan Bank Advances Maturity Date
Federal Home Loan Bank, Advances, Interest Rate	0.99%
Federal Home Loan Bank Advances.	$ 3,000	3,000
03/06/24 | Federal Home Loan Bank Advances Maturity Date
Federal Home Loan Bank, Advances, Interest Rate	0.95%
Federal Home Loan Bank Advances.	$ 3,000	3,000
03/28/24 | Federal Home Loan Bank Advances Maturity Date
Federal Home Loan Bank, Advances, Interest Rate	2.56%
Federal Home Loan Bank Advances.	$ 8,000	8,000
08/13/24 | Federal Home Loan Bank Advances Maturity Date
Federal Home Loan Bank, Advances, Interest Rate	1.88%
Federal Home Loan Bank Advances.	$ 3,000	3,000
02/21/25 | Federal Home Loan Bank Advances Maturity Date
Federal Home Loan Bank, Advances, Interest Rate	1.28%
Federal Home Loan Bank Advances.	$ 5,000	5,000
02/21/25 | Federal Home Loan Bank Advances Maturity Date
Federal Home Loan Bank, Advances, Interest Rate	1.53%
Federal Home Loan Bank Advances.	$ 5,000	5,000
03/06/25 | Federal Home Loan Bank Advances Maturity Date
Federal Home Loan Bank, Advances, Interest Rate	1.01%
Federal Home Loan Bank Advances.	$ 3,000	3,000
12/14/26 | Federal Home Loan Bank Advances Maturity Date
Federal Home Loan Bank, Advances, Interest Rate	2.65%
Federal Home Loan Bank Advances.	$ 287	$ 334