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INCOME TAXES (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Income taxes |  |  |  |
Provision for income taxes | $ 9,549 | $ 4,721 | $ 16,546 | $ 10,165
Effective tax rate (as a percent) | 16.00% | 15.00% | 16.00% | 16.00%
Net deferred tax asset increase |  |  | $ 98,850 |
Group LP |  |  |  |
Income taxes |  |  |  |
Deferred tax assets attributable to exchanges by partners |  |  | $ 97,355 |
Percentage of cash distribution to partners in connection to IPO attributable to exchanges by partners, payable to partners |  |  | 85.00% |
Cash distribution to partners in connection to IPO attributable to exchanges by partners, payable to partners |  |  | $ 82,752 |
Period of tax receivable agreement |  |  | 15 years |

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- Definition Represents the percentage of tax benefits payable to partners arising from cash distribution to partners in connection to Initial Public Offering attributable to exchanges by partners. + References No definition available. + Details
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- Definition Represents the period over which the tax benefits arising from cash distribution to partners in connection to Initial Public Offering attributable to exchanges by partners, are to be paid to partners. + References No definition available. + Details
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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32698-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32687-109319 + Details
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