Federal Home Loan Bank, Advances, General Debt Obligations, Disclosure, Weighted Average Interest Rate, Variable

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Repurchase Agreements, Potential Borrowings

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Amount of assets pledged to secure a debt instrument.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

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- Definition

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

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

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- Definition

States the lowest interest rate applicable to any of the advances from the Federal Home Loan Bank as of the Balance Sheet date.

+ References

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States the highest interest rate applicable to any of the advances from the Federal Home Loan Bank as of the Balance Sheet date.

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States the weighted average interest rate applicable to the advances from the Federal Home Loan Bank outstanding as of the Balance Sheet date.

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Amount of Federal Home Loan Bank (FHLB) advances which have fixed interest.

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Amount of Federal Home Loan Bank (FHLB) advances which have floating interest rates.

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- Definition

Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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FEDERAL HOME LOAN BANK ADVANCES AND OTHER BORROWINGS - Additional Information (Detail) (USD $)	0 Months Ended
	Mar. 30, 2015	Mar. 31, 2015	Dec. 31, 2014
Banking and Thrift [Abstract]
Fixed bank advances		$ 400,000,000	$ 400,000,000
Interest rate of Company's advances, minimum		0.28%	0.19%
Interest rate of Company's advances, maximum		0.34%	0.82%
Weighted average rate of Company's advances		0.31%	0.31%
Variable bank advances		145,000,000	233,000,000
FHLB variable-rate, weighted average interest rate		0.24%	0.27%
Advances from FHLB collateralized		1,890,000,000	1,840,000,000
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Amount of additional available borrowing		943,000,000
Line of Credit Facility [Line Items]
Potential borrowings under repurchase agreement		319,600,000
Other borrowings		15,000,000us-gaap_LineOfCredit	0us-gaap_LineOfCredit
Federal Reserve Bank Advances
Line of Credit Facility [Line Items]
Line of credit facility		111,100,000
Collateral on line of credit facility		149,000,000
Other borrowings		0
Unsecured Federal Funds Line of Credit \| Line of Credit
Line of Credit Facility [Line Items]
Line of credit facility		85,000,000
Line of Credit Facility Maturing March 28, 2016 \| Line of Credit
Line of Credit Facility [Line Items]
Line of credit facility	20,000,000
Other borrowings		15,000,000
London Interbank Offered Rate (LIBOR) \| Line of Credit Facility Maturing March 28, 2016 \| Line of Credit
Line of Credit Facility [Line Items]
Basis spread on variable rate	225.00%
Federal Home Loan Bank of San Francisco
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
FHLB stock		$ 27,400,000	$ 29,800,000