Borrowings (Narrative) (Details) (USD $)	3 Months Ended	12 Months Ended
Mar. 31, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Other borrowings	$ 3,708,000	$ 3,663,000
Federal Home Loan Bank Advances [Member]
Debt Instrument [Line Items]
Loans Receivable, Gross, Commercial, Mortgage	1,200,000,000	1,300,000,000
Additional Borrowing Capacity	614,100,000	674,200,000
Weighted average period remaining maturity of FHLB advances	10.7 months	11.3 months
Interest Payable	327,000
Unsecured Debt [Member]
Debt Instrument [Line Items]
Debt, Weighted Average Interest Rate	3.00%	3.00%
Other borrowings	1,700,000	1,700,000
Index Appreciation	995,000	957,000
Term Notes
Debt Instrument [Line Items]
Other borrowings	1,000,000	1,000,000
Repurchase agreement
Debt Instrument [Line Items]
Interest Payable	$ 2,200,000	$ 2,600,000
Federal Funds Purchased Member
Debt Instrument [Line Items]
Debt, Weighted Average Interest Rate	0.24%

Weighted average maturity (weighted by amount of the agreement) of FHLB advances.

No definition available.

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- Definition

Appreciation of S & P index tied to a liability.

+ References

No definition available.

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- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

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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

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- Definition

Amount of interest payable on debt, including, but not limited to, trade payables.

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- Definition

Amount before allowance of mortgage loans on existing land or building. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans covered under loss sharing agreements.

+ References

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- Definition

The carrying amount as of the balance sheet date for the aggregate of other miscellaneous borrowings owed by the reporting entity.

+ References

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