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ACQUISITIONS AND PRO FORMA RESULTS (Pro Forma Financial Information Summarization Results of Operations) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013
Business Combinations [Abstract] |  |
Total revenue | $ 964,738 us-gaap_BusinessAcquisitionsProFormaRevenue | $ 942,455 us-gaap_BusinessAcquisitionsProFormaRevenue
Net income | $ 43,814 us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss | $ (7,298)us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss
Net income per share |  |
Basic (in dollars per share) | $ 1.35 us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic | $ (0.22)us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic

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- Definition The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463 + Details
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- Definition The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463 + Details
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