Stock Award Plans and Stock Based Compensation - Schedule of Stock Options Roll Forward (Details) - shares	3 Months Ended			9 Months Ended
	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Beginning balance (in shares)			5,450,057	5,450,057
Granted (in shares)				1,605,000
Exercised (in shares)		(414)	(4,977)	(14,583)
Expired (in shares)				(43,075)
Forfeitures (in shares)				(149,522)
Ending balance (in shares)	6,847,877			6,847,877
2011 Plan
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Beginning balance (in shares)			89	89
Granted (in shares)
Exercised (in shares)
Expired (in shares)				(8)
Forfeitures (in shares)
Ending balance (in shares)	81			81
2018 Plan
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Beginning balance (in shares)			5,449,967	5,449,967
Granted (in shares)	5,580,000		1,605,000	7,185,000
Exercised (in shares)				(20,694)
Expired (in shares)				(80,254)
Forfeitures (in shares)				(459,771)
Ending balance (in shares)	12,074,248			12,074,248
Non Plan
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Beginning balance (in shares)			1	1
Granted (in shares)
Exercised (in shares)
Expired (in shares)
Forfeitures (in shares)
Ending balance (in shares)	1			1