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Nature of Operations and Summary of Significant Accounting Policies (Narrative) (Details) (USD $)
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12 Months Ended |
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Dec. 31, 2013
Location
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Dec. 31, 2012
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Dec. 31, 2011
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| Nature of Operations and Summary of Significant Accounting Policies (Textual) [Abstract] |
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| Number of location of banking operations |
27 |
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| Period for federal fund sold |
1 day |
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| Maturity date of certificates of deposit |
3 years |
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| Number of days for discontinuance of accrual of interest |
90 days |
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| Maximum period for consumer loans charge off |
180 days |
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| Purchase servicing rights |
$ 0 |
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| Corporation recorded servicing fee revenue |
737,000 |
757,000 |
732,000 |
| Foreclosed assets included in Other Assets on the accompanying consolidated balance sheets |
1,412,000 |
2,018,000 |
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| Present value of the post retirement benefits payable |
2,699,000 |
2,657,000 |
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| Periodic policy maintenance costs |
75,000 |
24,000 |
60,000 |
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Director Plan [Member]
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|
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| Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items] |
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| Shares under deferred compensation plan |
185,311 |
170,566 |
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Director Plan [Member] | Rabbi Trust [Member]
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| Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items] |
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| Shares under deferred compensation plan |
12,761 |
5,130 |
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Federal Deposit Insurance Corporation [Member]
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| Entity Information [Line Items] |
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| Carrying balance of FDIC INSURANCE PREMIUM |
0 |
1,804,000 |
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Minimum [Member]
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| Property, Plant and Equipment [Line Items] |
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| Useful lives of the related assets |
3 years |
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Maximum [Member]
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| Property, Plant and Equipment [Line Items] |
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| Useful lives of the related assets |
40 years |
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Originated mortgage servicing rights [Member]
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| Mortgage Loans on Real Estate [Line Items] |
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| Unpaid principal balance of mortgages serviced for others |
293,665,000 |
303,351,000 |
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| Capitalized mortgage loans on real estate carrying amount |
$ 2,555,000 |
$ 2,285,000 |
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