FAIR VALUES OF FINANCIAL INSTRUMENTS: (Details 4) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Carrying amount and estimated fair value of financial instruments
Securities available-for-sale	$ 914,560	$ 691,000
Restricted Stock	21,057	21,292
FDIC Indemnification Asset	1,055	2,632	2,384
Accrued interest receivable	11,554	12,024
Deposits	(2,458,791)	(2,276,134)
Level 1
Carrying amount and estimated fair value of financial instruments
Cash and due from banks	22,455	21,333
Securities available-for-sale	0	380
Level 2
Carrying amount and estimated fair value of financial instruments
Cash and due from banks	48,578	65,897
Federal funds sold	4,276	20,800
Securities available-for-sale	900,991	674,587
FDIC Indemnification Asset	1,055	2,632
Accrued interest receivable	3,279	2,980
Deposits	(2,460,197)	(2,280,910)
Short-term borrowings	(59,592)	(40,551)
Federal Home Loan Bank advances	(60,258)	(124,933)
Accrued interest payable	(750)	(1,163)
Level 3
Carrying amount and estimated fair value of financial instruments
Securities available-for-sale	13,569	16,033
Loans, net	1,816,726	1,916,256
Accrued interest receivable	8,275	9,044
Carrying Value
Carrying amount and estimated fair value of financial instruments
Cash and due from banks	71,033	87,230
Federal funds sold	4,276	20,800
Securities available-for-sale	914,560	691,000
Restricted Stock	21,057	21,292
Loans, net	1,771,360	1,829,978
FDIC Indemnification Asset	1,055	2,632
Accrued interest receivable	11,554	12,024
Deposits	(2,458,791)	(2,276,134)
Short-term borrowings	(59,592)	(40,551)
Federal Home Loan Bank advances	(58,288)	(119,705)
Accrued interest payable	(750)	(1,163)
Fair Value
Carrying amount and estimated fair value of financial instruments
Cash and due from banks	71,033	87,230
Federal funds sold	4,276	20,800
Securities available-for-sale	914,560	691,000
Loans, net	1,816,726	1,916,256
FDIC Indemnification Asset	1,055	2,632
Accrued interest receivable	11,554	12,024
Deposits	(2,460,197)	(2,280,910)
Short-term borrowings	(59,592)	(40,551)
Federal Home Loan Bank advances	(60,258)	(124,933)
Accrued interest payable	$ (750)	$ (1,163)

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 25

-Paragraph 1

-Subparagraph (b)

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-Name Accounting Standards Codification

-Topic 320

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-Section 50

-Paragraph 5

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.

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Carrying amount of receivable assets originating from the indemnification agreement with the Federal Deposit Insurance Corporation (FDIC), in which the FDIC is to partially cover losses.

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Fair value portion of federal funds sold and securities borrowed or purchased under agreements to resell.

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Fair value portion of borrowing from Federal Home Loan Bank (FHLBank).

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Amount of interest payable on debt, including, but not limited to, trade payables.

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Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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Investments which are not defined as or included in marketable (debt, equity, or other) securities whose use is restricted in whole or in part, generally by contractual agreements or regulatory requirements. For use in an unclassified balance sheet.

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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 the amount of short-term debt existing as of the balance sheet date.

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