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Amount of cost to be recognized for option under share-based payment arrangement.

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Number of additional shares authorized for issuance under share-based payment arrangement.

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Number of options outstanding, including both vested and non-vested options.

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Maximum number of shares that may be issued in accordance with the plan as a proportion of outstanding capital stock.

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Purchase price of common stock expressed as a percentage of its fair value.

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Stock-Based Compensation - Narrative (Details) - USD ($)			3 Months Ended	6 Months Ended
	May 12, 2020	May 15, 2018	Jun. 30, 2024	Jun. 30, 2024	Jun. 30, 2023
Stock-Based Compensation
Inducement stock options granted to new employees (in shares)				899,330
Common stock options
Stock-Based Compensation
Unrecognized compensation expense related to unvested stock options			$ 168,600,000	$ 168,600,000
Options outstanding (in shares)			114,780	114,780
Unvested RS and RSUs
Stock-Based Compensation
Unrecognized compensation expense related to unvested RSU awards			$ 72,800,000	$ 72,800,000
Performance Stock Units
Stock-Based Compensation
Options outstanding, nonvested (in shares)			265,887	265,887
Unrecognized compensation expense			$ 10,400,000	$ 10,400,000
Potential award payout			250.00%
Allocated share-based compensation expense				$ 0	$ 0
Performance Stock Units \| Minimum
Stock-Based Compensation
Potential award payout				0.00%
Performance Stock Units \| Maximum
Stock-Based Compensation
Potential award payout				250.00%
2019 Incentive Plan
Stock-Based Compensation
Number of additional shares authorized (in shares)	3,000,000
2019 Incentive Plan
Stock-Based Compensation
Shares available for grant (in shares)			4,780,711	4,780,711
2018 ESPP
Stock-Based Compensation
Number of additional shares authorized (in shares)		1,200,000
Shares of common stock, maximum authorized for issuance (in shares)		1,000,000
Percentage of outstanding shares		2.00%