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BUSINESS COMBINATIONS (Tables) | 9 Months Ended
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Sep. 30, 2016
Business Combinations [Abstract] |
Summary of Purchase Price Paid for Acquisitions | A summary of the purchase price for these acquisitions and the allocation of the purchase price for these acquisitions follows:
| Nine Months Ended September 30,
| 2016 |  | 2015
Purchase Price: |  |  |
Cash used in acquisitions | $ | 2,439 |  |  | $ | — |
Holdbacks | 400 |  |  | — |
Total | 2,839 |  |  | — |
Allocated as follows: |  |  |
Current assets | 40 |  |  | — |
Land | 353 |  |  | — |
Buildings | 1,360 |  |  | — |
Equipment | 269 |  |  | — |
Other liabilities, net | (106 | ) |  | — |
Fair value of assets acquired and liabilities assumed | 1,916 |  |  | — |
Excess purchase price allocated to goodwill | $ | 923 |  |  | $ | — |
Schedule of Unaudited Pro forma Combined Information | Unaudited pro forma combined information that shows our operational results as though each of the acquisitions completed in the nine months ended September 30, 2016 had occurred as of January 1, 2015 follows.
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2016 |  | 2015 |  | 2016 |  | 2015
Revenue | $ | 151,133 |  |  | $ | 147,008 |  |  | $ | 422,059 |  |  | $ | 408,946 |
Operating income | $ | 17,378 |  |  | $ | 12,617 |  |  | $ | 34,868 |  |  | $ | 26,926 |
Net income (loss) attributable to common stockholders | $ | 7,537 |  |  | $ | 2,249 |  |  | $ | 5,078 |  |  | $ | (6,093 | )
Basic earnings per share attributable to common stockholders | $ | 0.18 |  |  | $ | 0.06 |  |  | $ | 0.12 |  |  | $ | (0.15 | )
Basic weighted average shares outstanding | 41,377 |  |  | 40,810 |  |  | 41,169 |  |  | 40,560 |
Diluted earnings per share attributable to common stockholders | $ | 0.18 |  |  | $ | 0.05 |  |  | $ | 0.12 |  |  | $ | (0.15 | )
Diluted weighted average shares outstanding | 42,287 |  |  | 41,283 |  |  | 41,896 |  |  | 40,560 |

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- Definition Tabular disclosure of pro forma results of operations for a material business acquisition or series of individually immaterial business acquisitions that are material in the aggregate. + 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=65885119&loc=d3e1392-128463 + Details
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- Definition Tabular disclosure of a material business combination completed during the period, including background, timing, and recognized assets and liabilities. This table does not include leveraged buyouts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1486-128463 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463 + Details
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