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Stockholders' Equity and Stock-Based Compensation - Unrecognized Compensation Costs (Details) $ in Thousands	Mar. 31, 2021 USD ($)
Equity [Abstract]
Remainder of 2021	$ 20,570
2022	21,754
2023	12,899
2024	3,027
2025	35
Total compensation cost	$ 58,285

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