This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents Available-for-sale Securities which consist of all investments in certain debt and equity securities neither classified as trading or held-to-maturity securities. A debt security represents a creditor relationship with an enterprise. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other things, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt. An entity may opt to provide the reader with additional narrative text to better understand the nature of investments in debt and equity securities which are categorized as Available-for-sale.

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Fair value of derivative asset, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position.

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FAIR VALUE (Details 2) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012
Financial Assets
Total securities available-for-sale	$ 893,187	$ 902,341
Transfers of assets from Level 1 to Level 2	0		0
Transfers of assets from Level 2 to Level 1	0		0
Transfers of assets from Level 1 to Level 3	0		0
Transfers of assets from Level 3 to Level 2	0		0
Transfers of assets from Level 2 to Level 3	0		0
Transfers of assets from Level 3 to Level 1	0		0
U. S. government agency
Financial Assets
Total securities available-for-sale	925	1,638
States and municipals
Financial Assets
Total securities available-for-sale	334,792	337,939
Mortgage-backed securities - residential - Government Sponsored Entity
Financial Assets
Total securities available-for-sale	195,402	227,055
Collateralized mortgage obligations - Government Sponsored Entity
Financial Assets
Total securities available-for-sale	353,605	327,223
Equity securities
Financial Assets
Total securities available-for-sale	4,939	4,939
Other securities
Financial Assets
Total securities available-for-sale	3,524	3,547
Recurring basis \| Carrying Value
Financial Assets
Total securities available-for-sale	893,187	902,341
Mortgage banking derivative	600	2,200
Recurring basis \| Carrying Value \| U. S. government agency
Financial Assets
Total securities available-for-sale	925	1,638
Recurring basis \| Carrying Value \| States and municipals
Financial Assets
Total securities available-for-sale	334,792	337,939
Recurring basis \| Carrying Value \| Mortgage-backed securities - residential - Government Sponsored Entity
Financial Assets
Total securities available-for-sale	195,402	227,055
Recurring basis \| Carrying Value \| Collateralized mortgage obligations - Government Sponsored Entity
Financial Assets
Total securities available-for-sale	353,605	327,223
Recurring basis \| Carrying Value \| Equity securities
Financial Assets
Total securities available-for-sale	4,939	4,939
Recurring basis \| Carrying Value \| Other securities
Financial Assets
Total securities available-for-sale	3,524	3,547
Recurring basis \| Fair Value \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial Assets
Total securities available-for-sale	4,689	4,689
Recurring basis \| Fair Value \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Equity securities
Financial Assets
Total securities available-for-sale	4,689	4,689
Recurring basis \| Fair Value \| Significant Other Observable Inputs (Level 2)
Financial Assets
Total securities available-for-sale	871,244	879,375
Mortgage banking derivative	600	2,200
Recurring basis \| Fair Value \| Significant Other Observable Inputs (Level 2) \| U. S. government agency
Financial Assets
Total securities available-for-sale	925	1,638
Recurring basis \| Fair Value \| Significant Other Observable Inputs (Level 2) \| States and municipals
Financial Assets
Total securities available-for-sale	320,322	322,469
Recurring basis \| Fair Value \| Significant Other Observable Inputs (Level 2) \| Mortgage-backed securities - residential - Government Sponsored Entity
Financial Assets
Total securities available-for-sale	195,402	227,055
Recurring basis \| Fair Value \| Significant Other Observable Inputs (Level 2) \| Collateralized mortgage obligations - Government Sponsored Entity
Financial Assets
Total securities available-for-sale	353,605	327,223
Recurring basis \| Fair Value \| Significant Other Observable Inputs (Level 2) \| Other securities
Financial Assets
Total securities available-for-sale	990	990
Recurring basis \| Fair Value \| Significant Unobservable Inputs (Level 3)
Financial Assets
Total securities available-for-sale	17,254	18,277
Recurring basis \| Fair Value \| Significant Unobservable Inputs (Level 3) \| States and municipals
Financial Assets
Total securities available-for-sale	14,470	15,470
Recurring basis \| Fair Value \| Significant Unobservable Inputs (Level 3) \| Equity securities
Financial Assets
Total securities available-for-sale	250	250
Recurring basis \| Fair Value \| Significant Unobservable Inputs (Level 3) \| Other securities
Financial Assets
Total securities available-for-sale	$ 2,534	$ 2,557