Borrowings (Narrative) (Details) (San Francisco [Member], USD $)	12 Months Ended
Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Federal Home Loan Bank advances, limit on borrowing capacity, amount	$ 427,500,000	$ 450,400,000
Federal Home Loan Bank advances, unused borrowing facility	310,900,000	310,900,000
Federal Home Loan Bank advances, available collateral	369,400,000	409,000,000
Outstanding letters of credit	7,500,000	10,000,000
Federal Home Loan Bank stock, required investment	8,700,000	9,400,000
Federal Home Loan Bank stock, excess investment	6,600,000	12,900,000
Excess capital stock redeemed by Federal Home Loan Bank	7,000,000	4,700,000
Federal Home Loan Bank stock, cash dividends distributed	438,000	99,000	110,000
Discount Window Facility [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Federal Home Loan Bank advances, discount window facility	17,200,000	20,200,000
MPF Credit Enhancement [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Federal Home Loan Bank advances, discount window facility	2,500,000	3,000,000
Maximum
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Federal Home Loan Bank advances, limit on borrowing capacity (percent of total assets)	35.00%
Real Estate Loans [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Collateral pledged on Federal Home Loan Bank advances	685,400,000	819,400,000
Investment Securities [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Collateral pledged on Federal Home Loan Bank advances	1,000,000	1,100,000
Investment Securities [Member] \| Discount Window Facility [Member]
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Collateral pledged on Federal Home Loan Bank advances	$ 18,100,000	$ 21,200,000

Excess Capital Stock Redeemed by Federal Home Loan Bank

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Federal Home Loan Bank, Advances, General Debt Obligations, Amount of Available, Unused Collateral

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- Definition

Federal Home Loan Bank, Advances, Limitation on Borrowing Capacity, Amount

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Federal Home Loan Bank, Advances, Limitation on Borrowing Capacity, Percent

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- Definition

Federal Home Loan Bank Stock, Cash Dividends

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Federal Home Loan Bank Stock, Excess Investment

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Federal Home Loan Bank Stock, Required Investment

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- Definition

Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.

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- Definition

Amount of advances or credit lines available from the Federal Home Loan Bank (FHLB).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 470

-Section 45

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-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 13

-Subparagraph 3(a)

-Article 9

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Amount of the collateral pledged in support of federal home loan bank advances outstanding.

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-Name Accounting Standards Codification

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-Name Audit and Accounting Guide (AAG)

-Number AAG-DEP

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-Chapter 15

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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