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STOCK-BASED COMPENSATION (Tables) | 6 Months Ended
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Jun. 30, 2013
STOCK-BASED COMPENSATION [Abstract] |
Shares Authorized and Outstanding Under the Restricted Stock Plan | The following table provides certain information regarding the shares authorized and outstanding under the Restricted Stock Plan at June 30, 2013:
Number of shares authorized for grants |  |  | 800,000 |
Number of shares granted |  |  | (780,907 | )
Number of shares forfeited |  |  | 108,619 |
Number of shares available for future grants |  |  | 127,712 |
Weighted-average grant price of granted shares |  | $ | 23.25 |
Changes in restricted stock for the six months ended June 30, 2013 were as follows:
|  | Number of Shares |  |  | Weighted Average Grant Price |
Non-vested at December 31, 2012 |  |  | 210,330 |  |  | $ | 26.85 |
Granted |  |  | 92,536 |  |  | $ | 50.29 |
Forfeited |  |  | (28,621 | ) |  | $ | 37.36 |
Vested |  |  | (34,539 | ) |  | $ | 26.86 |
Non-vested at June 30, 2013 |  |  | 239,706 |  |  | $ | 34.62 |

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- Definition Tabular disclosure of the changes in outstanding nonvested shares. + 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) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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