ALLOWANCE FOR LOAN LOSSES: ALLOWANCE FOR LOAN LOSSES: (Details 4) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Financing Receivable, Impaired, Troubled Debt Restructuring [Roll Forward]
January 1,	$ 17,301	$ 21,285
Added	2,311	2,672
Charged Off	(1,271)	(82)
Payments	(3,583)	(6,574)
December 31,	14,758	17,301
Commercial
Financing Receivable, Impaired, Troubled Debt Restructuring [Roll Forward]
January 1,	12,327	16,474
Added	441	1,561
Charged Off	(1,069)	0
Payments	(2,744)	(5,708)
December 31,	8,955	12,327
Residential
Financing Receivable, Impaired, Troubled Debt Restructuring [Roll Forward]
January 1,	4,330	4,107
Added	1,523	841
Charged Off	(93)	(32)
Payments	(571)	(586)
December 31,	5,189	4,330
Consumer
Financing Receivable, Impaired, Troubled Debt Restructuring [Roll Forward]
January 1,	644	704
Added	347	270
Charged Off	(109)	(50)
Payments	(268)	(280)
December 31,	$ 614	$ 644

Financing Receivable, Impaired, Troubled Debt Restructuring, Additions During Period

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- Definition

Financing Receivable, Impaired, Troubled Debt Restructuring, Payments During Period

+ References

No definition available.

+ Details

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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

Reflects the amount of the write-down related to a troubled debt restructuring.

+ References

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