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THE COMPANY AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Jan. 01, 2019 | Dec. 31, 2018
Revenue and Other [Line Items] |  |  |  |  |  |
Current deferred revenue | $ 414,325 |  | $ 414,325 |  |  | $ 360,015
Non-current deferred revenue | 1,400 |  | 1,400 |  |  | 1,700
Deferred revenue recognized during period |  |  | 346,500 | $ 317,200 |  |
Capitalized sales commissions where customer relationship period is greater than one year | 43,200 |  | 43,200 |  |  | 40,500
Consolidated revenue | 1,246,874 | $ 1,104,592 | 3,539,375 | 3,158,789 |  |
Accounts receivable related to revenue earned | 355,924 |  | 355,924 |  |  | 279,189
Goodwill balance | 2,852,986 |  | 2,852,986 |  |  | 2,726,859
Carrying value of related intangible asset | 603,702 |  | 603,702 |  |  | 631,422
ROU assets | 177,797 |  | 177,797 |  |  | 0
Related lease liabilities | 231,991 |  | 231,991 |  |  |
Google Inc. | Revenue | Customer concentration risk |  |  |  |  |  |
Revenue and Other [Line Items] |  |  |  |  |  |
Consolidated revenue | $ 182,500 | $ 204,400 | $ 574,700 | $ 620,700 |  |
Concentration risk (as a percent) | 15.00% | 19.00% | 16.00% | 20.00% |  |
Google Inc. | Revenue | Customer concentration risk | Applications |  |  |  |  |  |
Revenue and Other [Line Items] |  |  |  |  |  |
Consolidated revenue | $ 68,100 | $ 110,800 | $ 234,100 | $ 326,700 |  |
Google Inc. | Revenue | Customer concentration risk | Emerging & Other |  |  |  |  |  |
Revenue and Other [Line Items] |  |  |  |  |  |
Consolidated revenue | 100,300 | $ 79,900 | 298,400 | $ 248,200 |  |
Google Inc. | Accounts Receivable | Customer concentration risk |  |  |  |  |  |
Revenue and Other [Line Items] |  |  |  |  |  |
Accounts receivable related to revenue earned | $ 61,900 |  | $ 61,900 |  |  | $ 69,100
Accounting Standards Update 2016-02 |  |  |  |  |  |
Revenue and Other [Line Items] |  |  |  |  |  |
ROU assets |  |  |  |  | $ 154,700 |
Related lease liabilities |  |  |  |  | $ 154,700 |
Match Group |  |  |  |  |  |
Revenue and Other [Line Items] |  |  |  |  |  |
Economic interest (as a percent) | 80.80% |  | 80.80% |  |  |
Voting interest (as a percent) | 97.50% |  | 97.50% |  |  |
ANGI Homeservices |  |  |  |  |  |
Revenue and Other [Line Items] |  |  |  |  |  |
Economic interest (as a percent) | 83.70% |  | 83.70% |  |  |
Voting interest (as a percent) | 98.10% |  | 98.10% |  |  |
Desktop reporting unit | Applications |  |  |  |  |  |
Revenue and Other [Line Items] |  |  |  |  |  |
Goodwill balance | $ 265,100 |  | $ 265,100 |  |  |
Carrying value of related intangible asset | $ 28,900 |  | $ 28,900 |  |  |

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