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v3.21.1

Fair Value Measurements (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Liabilities: |  |
Impairment of right-of-use asset | $ 598 |
Measurement Input, Discount Rate |  |
Liabilities: |  |
Business Combination, Contingent Consideration, Liability, Measurement Input | 0.051 |
Senior Notes | Reported Value Measurement |  |
Liabilities: |  |
Debt Instrument, Fair Value Disclosure | $ 870,256 | $ 870,256
Senior Notes | Estimate of Fair Value Measurement |  |
Liabilities: |  |
Debt Instrument, Fair Value Disclosure | 882,379 | 883,580
6.50% Notes due 2024 | Fair Value, Inputs, Level 1 | Senior Notes |  |
Liabilities: |  |
Long term debt, Carrying Amount | $ 870,256 | $ 870,256

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