Loans Held for Investment - Schedule of Total Recorded Investment in Non-Performing Loans by Type (Details) - USD ($)	3 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Jun. 30, 2022
Financing Receivable, Allowance for Credit Losses [Line Items]
Unpaid Principal Balance	$ 1,077,000		$ 1,541,000
Related Charge-Offs	(29,000)		(33,000)
Recorded Investment	1,048,000		1,508,000
Related Allowance	(84,000)		(85,000)
Recorded Investment, Net of Allowance	964,000		1,423,000
With related allowances, Average Recorded Investment	991,000	$ 6,941,000
Without related allowances, Average Recorded Investment	127,000	817,000
Average Recorded Investment	1,118,000	7,758,000
Interest income recognized with a related allowance	5,000	62,000
Interest income recognized without a related allowance	0	140,000
Total interest income recognized	5,000	202,000
Mortgage loans, Single-family
Financing Receivable, Allowance for Credit Losses [Line Items]
With related allowances, Average Recorded Investment	991,000	5,827,000
Without related allowances, Average Recorded Investment	127,000	817,000
Interest income recognized with a related allowance	5,000	47,000
Interest income recognized without a related allowance	0	140,000
Mortgage loans, Single-family
Financing Receivable, Allowance for Credit Losses [Line Items]
With a related allowance Unpaid Principal Balance	988,000		993,000
Without a related allowance, Unpaid Principal Balance	89,000		548,000
Unpaid Principal Balance	1,077,000		1,541,000
With Related Allowance, Related Charge-Offs	0		0
With No Related Allowance, Related Charge-Offs	(29,000)		(33,000)
Related Charge-Offs	(29,000)		(33,000)
With Related Allowance, Recorded Investment	988,000		993,000
With No Related Allowance, Recorded Investment	60,000		515,000
Recorded Investment	1,048,000		1,508,000
Related Allowance	(84,000)		(85,000)
Recorded Investment, with Related Allowance, Net	904,000		908,000
Recorded Investment, with No Related Allowance, Net	60,000		515,000
Recorded Investment, Net of Allowance	964,000		$ 1,423,000
Mortgage Loans, Multi Family
Financing Receivable, Allowance for Credit Losses [Line Items]
With related allowances, Average Recorded Investment	0	1,114,000
Interest income recognized with a related allowance	$ 0	$ 15,000

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Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

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