Borrowing Arrangements (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Borrowing Arrangements
Investments securing FHLB advances, amortized cost	$ 470,080
Maximum borrowing capacity on lines of credit	40,000
Available-for-sale investment securities	477,554	$ 432,535
Federal Home Loan Bank Advances
Borrowing Arrangements
Loans Pledged as Collateral	215,223
Remaining borrowing capacity	308,356
Federal Home Loan Bank Advances \| Securities Pledged as Collateral
Borrowing Arrangements
Investments securing FHLB advances, amortized cost	750	1,256
Investments securing FLHB advances, market value	825	1,364
Federal Reserve Bank Advances
Borrowing Arrangements
Line of credit, current	2,328	2,441
Federal Reserve Bank Advances \| Securities Pledged as Collateral
Borrowing Arrangements
Investments securing FHLB advances, amortized cost	2,578	2,729
Available-for-sale investment securities	2,598	$ 2,757
San Francisco Branch
Borrowing Arrangements
Advances from FHLB	$ 0

This item represents the cost of debt securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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Amount of debt securities categorized neither as held-to-maturity nor trading.

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- Definition

Amount of advances from the Federal Home Loan Bank (FHLB).

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

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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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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- Definition

The carrying value as of the balance sheet date of the current portion 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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Carrying amount as of the balance sheet date of loans that have been pledged as collateral for borrowings. If the secured party has the right by contract or custom to sell or re-pledge the collateral, then the debtor reclassifies that asset and report that asset in its statement of financial position separately from other assets not so encumbered.

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