Summary of Significant Accounting Policies - ASU 2020-06 - Tabular Disclosure (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
New Accounting Pronouncements
Deferred tax assets	$ 320,554	$ 333,294
Current portion of convertible senior notes		116,858
Long-term portion of convertible senior notes	395,451	337,333
Additional paid-in capital	1,328,290	1,543,357
Retained earnings	$ (795,560)	(937,608)
Cumulative Effect, Period of Adoption, Adjusted Balance
New Accounting Pronouncements
Deferred tax assets		350,149
Current portion of convertible senior notes		120,439
Long-term portion of convertible senior notes		394,657
Additional paid-in capital		1,433,140
Retained earnings		(871,441)
Accounting Standards Update 2020-06 \| Cumulative Effect, Period of Adoption, Adjustment
New Accounting Pronouncements
Deferred tax assets		16,855
Current portion of convertible senior notes		3,581
Long-term portion of convertible senior notes		57,324
Additional paid-in capital		(110,217)
Retained earnings		$ 66,167

Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.

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