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Fair Value Measurements - Level 3 Fair Value of Certain Assets Measured on a Non-recurring Basis (Details) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2020 USD ($) | Dec. 31, 2019 USD ($)
Goodwill [Roll Forward] |  |
Carrying value prior to impairment | $ 174,998 |
Impairment charge | (30,945) |
Carrying value after impairment | 144,053 |
Carrying value of assets not subject to impairment charge | 94,073 |
Balance as of June 30, 2020 | 238,126 | $ 276,450
Intangible Assets [Roll Forward] |  |
Carrying value prior to impairment | 2,789 |
Impairment charge | (2,789) |
Carrying value after impairment | 0 |
Carrying value of assets not subject to impairment charge | 111,912 |
Balance as of June 30, 2020 | $ 111,912 | $ 132,175

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