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BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) - USD ($) $ in Thousands | 9 Months Ended
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Sep. 30, 2019 | Sep. 30, 2018
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |
Net cash provided by (used in) operating activities | $ 617,355 | $ 630,797
Adjusted to increase net cash flows provided by investing activities | (638,648) | $ (554,586)
Misclassification between Operation and Financing Activities |  |
Error Corrections and Prior Period Adjustments Restatement [Line Items] |  |
Net cash provided by (used in) operating activities | 21,800 |
Adjusted to increase net cash flows provided by investing activities | $ 21,800 |

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- Definition Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3521-108585 + Details
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