Fair Value Measurement - Narrative (Details) - Phantom Stock Appreciation Rights (PSARs)
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3 Months Ended |
12 Months Ended |
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Mar. 31, 2021
$ / shares
item
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Dec. 31, 2019 |
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
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| Vesting period |
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4 years
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| Level 3 | Fair Value, Recurring | Yandy |
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| Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
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| Vesting period |
4 years
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| Number of unites used in fair value measurement | item |
1
|
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| Level 3 | Measurement Input, Share Price | Fair Value, Recurring | Yandy |
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| Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
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| Share Based Compensation, Measurement Input |
50.46
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| Level 3 | Measurement Input, Base Price | Fair Value, Recurring | Yandy |
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| Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
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| Base price per unit (in dollars per unit) |
$ 13.00
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| Level 3 | Measurement Input, Price Volatility | Fair Value, Recurring | Yandy |
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| Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
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| Share Based Compensation, Measurement Input |
29.30
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| Level 3 | Measurement Input, Expected Term | Fair Value, Recurring | Yandy |
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| Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
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| Expected term |
2 years 9 months 18 days
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| Level 3 | Measurement Input, Risk Free Interest Rate | Fair Value, Recurring | Yandy |
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| Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
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| Share Based Compensation, Measurement Input |
0.30
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