Federal Home Loan Bank Advances (Details) (USD $)	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012
Outstanding Balance [Abstract]
2-3 years	$ 0	$ 10,000,000
3-4 years	50,000,000	0
Total Federal Home Loan Bank Advances	50,000,000	80,000,000
Repayments of Long-term Debt	30,000,000
Debt, Weighted Average Interest Rate	4.09%
maturity debt in years	3 years
Gains (Losses) on Extinguishment of Debt	2,600,000
Weighted Rate [Abstract]
2-3 years	0.00%	4.53%
3-4 years	3.17%	0.00%
4-5 years	0.00%	3.37%
Federal Home Loan Bank, Advances, Maturities Summary, Due in Year Five	0	70,000,000
Total Federal Home Loan Bank Advances	3.17%	3.52%
Collateral pledged	12,900,000
Des Moines [Member]
Federal Home Loan Bank, Advances, Branch of FHLB [Line Items]
Carrying value of the loans pledged	540,700,000	442,200,000
Availability under the secured line of credit	235,500,000
Investment in capital stock	6,000,000
San Francisco [Member]
Federal Home Loan Bank, Advances, Branch of FHLB [Line Items]
Investment in capital stock	$ 700,000

FHLB Repayments

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maturity debt in years

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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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Weighted average interest rate of debt outstanding.

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- Definition

Amount of Federal Home Loan Bank (FHLBank) advances to member financial institutions.

+ References

No definition available.

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- Definition

Describes the weighted average interest rate applicable to the specific advances from the Federal Home Loan Bank, by branch, as of the Balance Sheet date.

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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

-Topic 942

-SubTopic 470

-Section 45

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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-Topic 942

-SubTopic 210

-Section S99

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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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The weighted average interest rate applicable to the Federal Home Loan Bank advances which are due from four to five years of the Balance Sheet date.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 210

-Section S99

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The weighted average interest rate applicable to the Federal Home Loan Bank advances which are due from three to four years of the Balance Sheet date.

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-Publisher SEC

-Name Industry Guide

-Number 3

-Section VII

-Paragraph 3

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The weighted average interest rate applicable to the Federal Home Loan Bank advances which are due from two to three years of the Balance Sheet date.

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- Definition

Amount of federal home loan bank advances maturing in the fifth fiscal year following the latest fiscal year.

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Amount of federal home loan bank advances maturing in the fourth fiscal year following the latest fiscal year.

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Amount of federal home loan bank advances maturing in the third fiscal year following the latest fiscal year.

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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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-Publisher FASB

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-Section 45

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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-Name Accounting Standards Codification

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