Property and Equipment - Summary of Property and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Total cost	$ 212,972	$ 197,241
Less: Accumulated depreciation	(63,467)	(58,784)
Property and equipment, net	149,505	138,457
Land
Property, Plant and Equipment [Line Items]
Total cost	54,868	54,868
Building and leasehold improvements
Property, Plant and Equipment [Line Items]
Total cost	$ 26,456	25,712
Building and leasehold improvements | Minimum
Property, Plant and Equipment [Line Items]
Estimated Useful Life	3 years
Building and leasehold improvements | Maximum
Property, Plant and Equipment [Line Items]
Estimated Useful Life	39 years
Production equipment
Property, Plant and Equipment [Line Items]
Total cost	$ 54,416	54,090
Production equipment | Minimum
Property, Plant and Equipment [Line Items]
Estimated Useful Life	3 years
Production equipment | Maximum
Property, Plant and Equipment [Line Items]
Estimated Useful Life	5 years
Computers, equipment and software
Property, Plant and Equipment [Line Items]
Total cost	$ 17,400	15,343
Computers, equipment and software | Minimum
Property, Plant and Equipment [Line Items]
Estimated Useful Life	3 years
Computers, equipment and software | Maximum
Property, Plant and Equipment [Line Items]
Estimated Useful Life	5 years
Furniture and office equipment
Property, Plant and Equipment [Line Items]
Total cost	$ 6,842	6,838
Furniture and office equipment | Minimum
Property, Plant and Equipment [Line Items]
Estimated Useful Life	3 years
Furniture and office equipment | Maximum
Property, Plant and Equipment [Line Items]
Estimated Useful Life	5 years
Vehicles
Property, Plant and Equipment [Line Items]
Estimated Useful Life	5 years
Total cost	$ 3,123	2,932
Website development costs
Property, Plant and Equipment [Line Items]
Estimated Useful Life	3 years
Total cost	$ 204	204
Capitalized internal-use software development costs
Property, Plant and Equipment [Line Items]
Total cost	$ 11,996	11,996
Capitalized internal-use software development costs | Minimum
Property, Plant and Equipment [Line Items]
Estimated Useful Life	3 years
Capitalized internal-use software development costs | Maximum
Property, Plant and Equipment [Line Items]
Estimated Useful Life	5 years
Construction-in-process
Property, Plant and Equipment [Line Items]
Total cost	$ 37,667	25,258
New campus development
Property, Plant and Equipment [Line Items]
Total cost	$ 17,600	$ 12,400