Derivative and Other Financial Instruments with Off-Balance Sheet Risks - Additional Information (Details)	3 Months Ended
	Sep. 30, 2022 USD ($) loan	Sep. 30, 2021 USD ($) loan	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)
Derivative [Line Items]
Outstanding derivative financial instruments	$ 0		$ 0
Number Of Loans Repurchased | loan	0	0
Recourse Liability	$ 160,000	$ 200,000	160,000	$ 200,000
Mortgage Partnership Finance (MPF) Program
Derivative [Line Items]
Basis point of loss absorbed by first loss account	4
Other Investors | Mortgage Partnership Finance (MPF) Program
Derivative [Line Items]
Recourse Liability	$ 150,000
FHLB - San Francisco [Member]
Derivative [Line Items]
Recourse Liability	$ 10,500		$ 10,500