Fair Value of Financial Instruments - Carrying amount and fair value of the Corporations other financial instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Jun. 30, 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities - held to maturity, at cost	$ 185,745	$ 223,306
Investment securities - held to maturity	185,745	223,306
Fair Value, Inputs, Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans held for investment, not recorded at fair value	0	0
Investment securities - held to maturity	0	0
FHLB - San Francisco stock	0	0
Deposits	0	0
Borrowings	0	0
Fair Value, Inputs, Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans held for investment, not recorded at fair value	0	0
Investment securities - held to maturity	171,724	224,721
FHLB - San Francisco stock	8,239	8,155
Deposits	0	0
Borrowings	0	0
Fair Value, Inputs, Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans held for investment, not recorded at fair value	892,339	848,727
Investment securities - held to maturity	0	0
FHLB - San Francisco stock	0	0
Deposits	917,220	904,673
Borrowings	84,299	104,526
Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans held for investment, not recorded at fair value	938,596	849,086
Investment securities - held to maturity	185,745	223,306
FHLB - San Francisco stock	8,239	8,155
Deposits	955,504	937,973
Borrowings	85,000	100,983
Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans held for investment, not recorded at fair value	892,339	848,727
Investment securities - held to maturity	171,724	224,721
FHLB - San Francisco stock	8,239	8,155
Deposits	917,220	904,673
Borrowings	$ 84,299	$ 104,526

Loans Held for Investment, Net, Fair Value Disclosure

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- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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- Definition

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

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- Definition

Fair value portion of deposit liabilities held by the entity, including, but not limited to, foreign and domestic, interest and noninterest bearing, demand deposits, saving deposits, negotiable orders of withdrawal (NOW) and time deposits.

+ References

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

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- Definition

Fair value portion of investments in Federal Home Loan Bank (FHLBank) stock.

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