v2.4.0.8

SHARE-BASED COMPENSATION - RSU Activity (Details) (USD $) | 6 Months Ended
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Jun. 30, 2013 | Jun. 30, 2012
Number of Restricted Stock Units [Roll Forward] |  |
RSUs beginning | 1,481,268 |
RSUs awarded | 331,377 |
RSUs released | (434,280) |
RSUs forfeited | (36,857) |
RSUs ending | 1,341,508 |
Weighted Average Purchase Price RSUs | $ 0 |
Weighted Average Remaining Contractual Term (Years) RSUs | 1 year 4 months 24 days |
Aggregate Intrinsic Value RSUs | $ 12,663,835 |
Number of RSUs vested and expected to vest | 1,232,038 |
Weighted Average Purchase Price of RSUs vested and expected to vest | $ 0 |
Weighted Average Remaining Contractual Term (Years) of RUSs vested and expected to vest | 1 year 3 months 18 days |
Aggregate Intrinsic Value RSUs vested and expected to vest | 10,809,200 |
Number of RSUs exercisable | 86,996 |
Weighted Average Purchase Price of RUSs exercisable | $ 0 |
Weighted Average Remaining Contractual Term (Years) of RUSs exercisable | 0 years |
Aggregate Intrinsic Value RSUs exercisable | 821,242 |
Weighted average remaining recognition period in years | 2 years 4 months 24 days |
Unamortized compensation expense, net of estimated forfeitures | 6,120,176 |
Other Options Disclosure [Abstract] |  |
Intrinsic value of options exercised | 1,013,000 | 331,000
Tax benefit from options exercised, before impact of valuation allowance | 385,000 | 126,000
Cash received from exercise price of options exercised | $ 206,000 | $ 89,000

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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + 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)(2)(iii)(1) -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of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(2)(c) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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. + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + 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)(2)(iii)(2) -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(2)(d) -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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