Fair Value of Financial Instruments - Carrying amount and fair value of the Corporations other financial instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Jun. 30, 2021
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Investment securities - held to maturity, at cost	$ 205,821	$ 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, at cost	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, at cost	206,420	224,721
FHLB - San Francisco stock	8,155	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	858,810	848,727
Investment securities - held to maturity, at cost	0	0
FHLB - San Francisco stock	0	0
Deposits	922,037	904,673
Borrowings	93,311	104,526
Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans held for investment, not recorded at fair value	857,458	849,086
Investment securities - held to maturity, at cost	205,821	223,306
FHLB - San Francisco stock	8,155	8,155
Deposits	956,742	937,973
Borrowings	90,000	100,983
Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Loans held for investment, not recorded at fair value	858,810	848,727
Investment securities - held to maturity, at cost	206,420	224,721
FHLB - San Francisco stock	8,155	8,155
Deposits	922,037	904,673
Borrowings	$ 93,311	$ 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.

+ References

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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

No definition available.

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- Definition

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+ References

No definition available.

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- Definition

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

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-Publisher FASB
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- Definition

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

+ References

No definition available.

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