Short-Term Borrowings and Long-Term Debt (Retail Repurchase Agreements and Federal Funds Purchased) (Details) (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Short-term Debt [Line Items]
Short-term borrowings	$ 9,076,000us-gaap_ShortTermBorrowings	$ 6,917,000us-gaap_ShortTermBorrowings
Retail customer repurchase agreements	9,076,000	6,917,000	8,675,000
Federal Reserve Bank Lines of Credit [Member]
Short-term Debt [Line Items]
Short-term borrowings		0
Retail repurchase agreements [Member]
Short-term Debt [Line Items]
Average balance during the year	7,713,000	9,852,000	9,861,000
Maximum month end balance	$ 12,217,000	$ 13,064,000	$ 12,720,000
Weighted average interest rate at December 31	0.21%	0.21%	0.19%
Weighted average interest rate during the year	0.21%	0.21%	0.29%

The average effective interest rate during the reporting period.

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Amount, after the effects of master netting arrangements, of funds outstanding borrowed in the form of a security resale agreement between the entity and another party for the purchase and resale of identical or substantially the same securities at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement.

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- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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For the form of debt having an initial term of less than one year or less than the normal operating cycle, if longer, average borrowings during the period.

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For the form of debt having an initial term of less than one year or less than the normal operating cycle, if longer, maximum month-end borrowings during the period.

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Weighted average interest rate of short-term debt outstanding.

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