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DISCONTINUED OPERATIONS - Narrative (Details) $ in Thousands |  |  |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 17, 2020 USD ($) | Jun. 11, 2020 USD ($) | Dec. 04, 2019 USD ($) | Jun. 21, 2019 USD ($) | Jul. 31, 2020 USD ($) | Feb. 29, 2016 defendant | Jan. 31, 2016 USD ($) | Dec. 31, 2013 network_lender | Jun. 30, 2021 USD ($) | Dec. 31, 2020 USD ($) | Sep. 30, 2020 USD ($) | Jun. 30, 2020 USD ($) | Dec. 31, 2019 USD ($) | Jul. 24, 2020 | Jul. 21, 2019 USD ($) | May 31, 2017 | Jun. 06, 2012 USD ($)
Loan Loss Obligations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |  |  | $ 1,266,637 | $ 1,188,990 |  |  |  |  |  |  |
2025 Convertible Notes | Convertible Debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan Loss Obligations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.50% |  |  |
2022 Convertible Notes | Convertible Debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan Loss Obligations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.625% |
Home Loan Center, Inc. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan Loss Obligations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 11,200 |  |
Cash |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 5,900 |  |
Dividends |  |  |  |  |  |  | $ 40,000 |  |  |  |  |  |  |  |  |  |
Discover Bank | Lending Tree Loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan Loss Obligations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Asset purchase agreement proceeds from sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 55,900
Residential Funding Co. v Home Loan Center | Pending litigation or appeal |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan Loss Obligations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of loan originators | network_lender |  |  |  |  |  |  |  | 80 |  |  |  |  |  |  |  |  |
Residential Funding Co. v Home Loan Center | Judicial Ruling |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan Loss Obligations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Settlement offer |  |  |  | $ 68,500 |  |  |  |  |  |  |  |  |  |  |  |  |
Residential Funding Co. v Home Loan Center | Settled | ResCap | Damages |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan Loss Obligations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Settlement offer | $ 58,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss contingency settlement payment |  |  |  |  |  |  |  |  |  | $ 6,400 | $ 26,500 |  |  |  |  |  |
Loss contingency, refund received |  |  |  |  |  |  |  |  | $ 8,600 |  |  |  |  |  |  |  |
Lehman Brothers Holdings, Inc. Demand Letter |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan Loss Obligations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Damages sought |  |  | $ 44,700 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lehman Brothers Holdings, Inc. Demand Letter | Pending litigation or appeal |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan Loss Obligations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of defendants | defendant |  |  |  |  |  | 149 |  |  |  |  |  |  |  |  |  |  |
Lehman Brothers Holdings Inc. v. LendingTree, LLC |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan Loss Obligations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Damages sought |  | $ 13,300 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Discontinued Operations, Disposed of by Means Other than Sale | Home Loan Center, Inc. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan Loss Obligations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss recognized |  |  |  |  |  |  |  |  |  |  |  |  | $ 5,500 |  |  |  |
Net gain on disposal |  |  |  |  |  |  |  |  |  |  |  |  | 4,500 |  |  |  |
Recognition of liability |  |  |  |  |  |  |  |  |  |  |  |  | $ 10,000 |  |  |  |
Discontinued Operations, Disposed of by Means Other than Sale | Obligation to Repurchase Receivables Sold | Lending Tree Loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan Loss Obligations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss contingency settlement payment |  |  |  |  | $ 36,000 |  |  |  |  |  |  |  |  |  |  |  |
Discontinued Operations, Disposed of by Means Other than Sale | Pending litigation or appeal | Obligation to Repurchase Receivables Sold | Lending Tree Loans | Discontinued Operations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loan Loss Obligations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Settlement offer |  |  |  |  |  |  |  |  |  |  |  | $ 36,000 |  |  |  |  |

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Data Type: | na
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