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Equity - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Oct. 31, 2016
Equity, Class of Treasury Stock [Line Items] |  |  |
Purchase of treasury stock (in shares) | 714,251 | 60,833 |
Purchase of treasury stock | $ 15,959 | $ 1,485 |
Accrued in Other Current Liabilities | 1,000 |  |
Treasury Stock |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |
Purchase of treasury stock | $ 15,959 | $ 1,485 |
Class B Shares |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |
Number of shares authorized under share repurchase program (in shares) | 500,000 |  | 4,000,000
Purchase of treasury stock (in shares) | 714,000 |  |
Remaining number of shares authorized to be repurchased (in shares) | 347,000 |  |

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