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INCOME TAXES: (Details textual) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate	35.00%
Part Of Unrecognized Tax Benefits	$ 777	$ 862	$ 901	$ 660
Increase (Decrease) In Interest and Penalities	(2)	(18)	43
Income Tax Examination, Penalties and Interest Accrued	$ 96	$ 98	$ 116

X

- Definition

The domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 109

-Paragraph 47

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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X

- Definition

The amount of estimated penalties and interest accrued as of the balance sheet date arising from income tax examinations.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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The sum of the amounts of estimated penalties and interest recognized in the period arising from income tax examinations.

+ References

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-Name Accounting Standards Codification

-Topic 740

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- Definition

The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Unrecognized Tax Benefit

-URI http://asc.fasb.org/extlink&oid=6527854



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-Name FASB Interpretation (FIN)

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