ALLOWANCE FOR LOAN LOSSES: (Details 3) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Aging of recorded investment in loans by past due category and class of loans
Financing Receivable, Modifications, Recorded Investment	$ 9,860	$ 14,758	$ 17,301
Nonperforming Financing Receivable
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	1,016	873
Financing Receivable, Modifications, Recorded Investment	4,588	4,632
Financing Receivable, Modifications, Nonaccrual	5,010	10,142
Non-accrual	14,634	15,034
Nonperforming Financing Receivable \| Commercial & Industrial
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	0	0
Financing Receivable, Modifications, Recorded Investment	5	7
Financing Receivable, Modifications, Nonaccrual	422	4,961
Non-accrual	3,187	3,720
Nonperforming Financing Receivable \| Farmland
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	0	0
Financing Receivable, Modifications, Recorded Investment	0	0
Financing Receivable, Modifications, Nonaccrual	0	0
Non-accrual	219	79
Nonperforming Financing Receivable \| Non Farm, Non Residential
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	0	0
Financing Receivable, Modifications, Recorded Investment	6	10
Financing Receivable, Modifications, Nonaccrual	3,152	3,987
Non-accrual	2,545	3,388
Nonperforming Financing Receivable \| Agriculture
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	0	0
Financing Receivable, Modifications, Recorded Investment	0	0
Financing Receivable, Modifications, Nonaccrual	0	0
Non-accrual	378	767
Nonperforming Financing Receivable \| All Other Commercial
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	0	0
Financing Receivable, Modifications, Recorded Investment	0	0
Financing Receivable, Modifications, Nonaccrual	0	0
Non-accrual	1,817	1,258
Nonperforming Financing Receivable \| First Liens
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	809	603
Financing Receivable, Modifications, Recorded Investment	4,577	4,357
Financing Receivable, Modifications, Nonaccrual	1,034	842
Non-accrual	4,839	3,861
Nonperforming Financing Receivable \| Home Equity
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	10	88
Financing Receivable, Modifications, Recorded Investment	0	0
Financing Receivable, Modifications, Nonaccrual	0	0
Non-accrual	320	404
Nonperforming Financing Receivable \| Junior Liens
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	45	12
Financing Receivable, Modifications, Recorded Investment	0	0
Financing Receivable, Modifications, Nonaccrual	0	0
Non-accrual	211	275
Nonperforming Financing Receivable \| Multifamily
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	0	0
Financing Receivable, Modifications, Recorded Investment	0	0
Financing Receivable, Modifications, Nonaccrual	0	0
Non-accrual	0	0
Nonperforming Financing Receivable \| All Other Residential
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	0	5
Financing Receivable, Modifications, Recorded Investment	0	0
Financing Receivable, Modifications, Nonaccrual	0	0
Non-accrual	111	111
Nonperforming Financing Receivable \| Motor Vehicle
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	148	162
Financing Receivable, Modifications, Recorded Investment	0	257
Financing Receivable, Modifications, Nonaccrual	2	83
Non-accrual	213	210
Nonperforming Financing Receivable \| All Other Consumer
Aging of recorded investment in loans by past due category and class of loans
Loans Past Due Over 90 Day Still Accruing	4	3
Financing Receivable, Modifications, Recorded Investment	0	1
Financing Receivable, Modifications, Nonaccrual	400	269
Non-accrual	$ 794	$ 961

Financing Receivable, Modifications, Nonaccrual

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- Definition

The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18845-111554

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- Definition

Recorded investment in financing receivables that are 90 days or more past due and still accruing.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5111-111524

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- Definition

Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date.

+ References

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- Definition

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+ References

No definition available.

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