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SHAREHOLDERS' EQUITY (Schedule of Stock Options Outstanding and Exercisable) (Details) (Stock Options [Member], USD $) | 12 Months Ended
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Dec. 31, 2012
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Options outstanding | 93,512
Weighted average remaining contractual life (years) | 2 years 8 months 27 days
Options exercisable | 81,284
Weighted average remaining contractual of options exercisable (years) | 3 years 2 months 12 days
$ 0.00 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price, minimum | 0
Exercise Price, maximum | 0
Options outstanding | 11,751
Weighted average remaining contractual life (years) | 10 months 6 days
Options exercisable | 11,751
Weighted average remaining contractual of options exercisable (years) | 10 months 6 days
$ 3.80 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price, minimum | 3.80
Exercise Price, maximum | 3.80
Options outstanding | 22,360
Weighted average remaining contractual life (years) | 3 years 11 months 19 days
Options exercisable | 11,180
Weighted average remaining contractual of options exercisable (years) | 3 years 11 months 19 days
$ 8.00 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price, minimum | 8.00
Exercise Price, maximum | 8.00
Options outstanding | 9,199
Weighted average remaining contractual life (years) | 3 years 3 months
Options exercisable | 9,199
Weighted average remaining contractual of options exercisable (years) | 3 years 3 months
$ 9.91 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price, minimum | 9.91
Exercise Price, maximum | 9.91
Options outstanding | 375
Weighted average remaining contractual life (years) | 1 year 1 month 21 days
Options exercisable | 375
Weighted average remaining contractual of options exercisable (years) | 1 year 1 month 21 days
$ 11.00 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price, minimum | 11
Exercise Price, maximum | 11
Options outstanding | 617
Weighted average remaining contractual life (years) | 1 year 6 months 22 days
Options exercisable | 617
Weighted average remaining contractual of options exercisable (years) | 1 year 6 months 22 days
$ 12.20 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price, minimum | 12.20
Exercise Price, maximum | 12.20
Options outstanding | 1,500
Weighted average remaining contractual life (years) | 10 months 17 days
Options exercisable | 1,500
Weighted average remaining contractual of options exercisable (years) | 10 months 17 days
$ 20.00 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price, minimum | 20.00
Exercise Price, maximum | 20.00
Options outstanding | 9,155
Weighted average remaining contractual life (years) | 1 year 0 months
Options exercisable | 8,107
Weighted average remaining contractual of options exercisable (years) | 1 year 0 months
$ 29.98 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price, minimum | 29.98
Exercise Price, maximum | 29.98
Options outstanding | 375
Weighted average remaining contractual life (years) | 5 months 27 days
Options exercisable | 375
Weighted average remaining contractual of options exercisable (years) | 5 months 27 days
$ 33.60 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price, minimum | 33.60
Exercise Price, maximum | 33.60
Options outstanding | 3,750
Weighted average remaining contractual life (years) | 5 years 2 months 27 days
Options exercisable | 3,750
Weighted average remaining contractual of options exercisable (years) | 5 years 2 months 27 days
$ 47.70 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price, minimum | 47.70
Exercise Price, maximum | 47.70
Options outstanding | 20,000
Weighted average remaining contractual life (years) | 1 year 9 months
Options exercisable | 20,000
Weighted average remaining contractual of options exercisable (years) | 1 year 9 months
$ 50.40 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price, minimum | 50.40
Exercise Price, maximum | 50.40
Options outstanding | 14,030
Weighted average remaining contractual life (years) | 4 years 3 months 18 days
Options exercisable | 14,030
Weighted average remaining contractual of options exercisable (years) | 4 years 3 months 18 days
$ 60.00 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise Price, minimum | 60.00
Exercise Price, maximum | 60.00
Options outstanding | 400
Weighted average remaining contractual life (years) | 1 year 7 months 17 days
Options exercisable | 400
Weighted average remaining contractual of options exercisable (years) | 1 year 7 months 17 days

X
- Definition Weighted average remaining contractual term of exercisable stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64 -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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(1)(c) -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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(1)(a, b) -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. + Details
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- Definition Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64 -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. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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