Borrowings (Schedule of Advances to the Federal Home Loan Bank) (Details) (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Total Outstanding:
2015	11,039,000	11,112,000
2016	25,000,000	25,000,000
2017	20,000,000	20,000,000
Advances from Federal Home Loan Banks	56,039,000	56,112,000
Callable:
2015	10,000,000	10,000,000
2016	0	0
2017	20,000,000	20,000,000
Total FHLB advances, callable	30,000,000	30,000,000
2015 - Weighted Average Interest Rate	2.94%
2016 - Weighted Average Interest Rate	1.92%
2017 - Weighted Average Interest Rate	4.03%
Fixed Rate:
FHLB advances, carrying value of residential real estate and commercial loans pledged as collateral	843,200,000	742,800,000
FHLB advances, securities pledged as collateral	833,000	3,700,000
Minimum [Member]
Fixed Rate:
2015	2.75%	2.75%
2016	1.80%	1.80%
2017	3.99%	3.99%
Maximum [Member]
Fixed Rate:
2015	4.75%	4.75%
2016	1.95%	1.95%
2017	4.06%	4.06%
Federal Home Loan Bank Advances [Member]
Total Outstanding:
Callable	2015	2015

Callable Date For Long Term Debt Maturities Of Principal In Year One

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Amount of federal home loan bank advances callable and maturing in the next fiscal year following the latest fiscal year.

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Amount of federal home loan bank advances callable and maturing in the second fiscal year following the latest fiscal year.

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

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

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The fixed 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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The fixed interest rate applicable to the Federal Home Loan Bank advances which are due within one year of the Balance Sheet date.

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Amount of federal home loan bank advances callable. Advances are loans from the federal home loan bank system to a member (shareholder).

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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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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 within one year of the Balance Sheet date.

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

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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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Amount of advances from Federal Home Loan Bank (FHLBank) maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of advances from Federal Home Loan Bank (FHLBank) maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of advances from Federal Home Loan Bank (FHLBank) maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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The carrying amount as of the date of the latest financial statement presented of securities which are owned but transferred to serve as collateral for FHLB debt obligations, and for which the transferee does not have the right by contract or custom to sell or re-pledge them to an unrelated party.

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