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Investment Securities (Contractual Maturities of Securities) (Details) - USD ($) $ in Thousands | Sep. 30, 2015 | Dec. 31, 2014
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Contractual maturities of securities |  |
Available for Sale, Cost Basis, Within 1 year | $ 1,000 |
Available for Sale, Cost Basis, After 1 year but within 5 years | 12,266 |
Available for Sale, Cost Basis, After 5 years but within 10 years | 21,133 |
Available for Sale, Cost Basis, After 10 years but within15 years | 46,838 |
Available for Sale, Cost Basis, Over 15 years | 30,824 |
Available for Sale, Cost Basis, Total | 112,061 |
Available for Sale, Fair Value, Within 1 year | 998 |
Available for Sale, Fair Value, After 1 year but within 5 years | 12,335 |
Available for Sale, Fair Value, After 5 years but within 10 years | 21,524 |
Available for Sale, Fair Value, After 10 years but within15 years | 48,068 |
Available for Sale, Fair Value, Over 15 years | 31,727 |
Available for Sale, Fair Value, Total | 114,652 | $ 127,110
Held to Maturity, Cost Basis, Within 1 year | 1,000 |
Held to Maturity, Cost Basis, After 1 year but within 5 years | 2,000 |
Held to Maturity, Cost Basis, After 5 years but within 10 years | 6,767 |
Held to Maturity, Cost Basis, After 10 years but within 15 years | 1,397 |
Held to Maturity, Cost Basis, Over 15 years | 9,197 |
Held to Maturity, Cost Basis, Total | 20,361 | 19,840
Held to Maturity, Fair Value, Within 1 year | 997 |
Held to Maturity, Fair Value, After 1 year but within 5 years | 1,945 |
Held to Maturity, Fair Value, After 5 years but within 10 years | 6,851 |
Held to Maturity, Fair Value, After 10 years but within 15 years | 1,389 |
Held to Maturity, Fair Value, Over 15 years | 9,589 |
Held to Maturity, Fair Value, Total | $ 20,771 | $ 20,213

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