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SECURITIES (Details 3) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Available for Sale, Amortized Cost |  |
Amortized Cost | $ 448,219 | $ 363,366
Available for Sale, Fair Value |  |
Securities - available for sale | 447,498 | 363,644
Held to Maturity, Amortized Cost |  |
Amortized Cost | 497,688 | 487,076
Held to Maturity, Fair Value |  |
Fair Value | 494,194 | $ 485,650
Debt Securities [Member] |  |
Available for Sale, Amortized Cost |  |
Due in one year or less | 3,213 |
Due after one year to five years | 49,241 |
Due after five to ten years | 107,417 |
Due after ten years | 268,916 |
Amortized Cost | 428,787 |
Available for Sale, Fair Value |  |
Due in one year or less | 3,215 |
Due in one year or less | 49,312 |
Due after five to ten years | 107,402 |
Due after ten years | 266,985 |
Securities - available for sale | 426,914 |
Held to Maturity, Amortized Cost |  |
Due in one year or less | 0 |
Due after one year to five years | 15,636 |
Due after five to ten years | 16,801 |
Due after ten years | 465,251 |
Amortized Cost | 497,688 |
Held to Maturity, Fair Value |  |
Due in one year or less | 0 |
Due after one year to five years | 15,711 |
Due after five to ten years | 17,098 |
Due after ten years | 461,385 |
Fair Value | 494,194 |
Marketable securities [Member] |  |
Available for Sale, Amortized Cost |  |
Available-for-sale Equity Securities, Amortized Cost Basis | 19,432 |
Available for Sale, Fair Value |  |
Assets Designated to Closed Block, Equity Securities, Available-for-sale, at Fair Value | 20,584 |
Held to Maturity, Amortized Cost |  |
Amortized Cost | 0 |
Held to Maturity, Fair Value |  |
Fair Value | $ 0 |

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