Equity Incentive and Other Plans - Stock Option Activity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands							3 Months Ended
		Sep. 30, 2023		Dec. 31, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2023		Jun. 30, 2023	Mar. 31, 2023
2021 Plan
Number of Shares
Outstanding (in shares)							5		5	5
Forfeited or expired (in shares)							0		0	0
Outstanding (in shares)		5		5			5		5	5
Vested and exercisable (in shares)		2					2
Weighted Average Exercise Price
Outstanding (in usd per share)							$ 39.56		$ 39.55	$ 39.52
Forfeited or expired (in usd per share)							16.26		38.31	32.08
Outstanding (in usd per share)		$ 39.58		$ 39.52			39.58		$ 39.56	$ 39.55
Vested and exercisable (in usd per share)		$ 39.56					$ 39.56
Aggregate Intrinsic Value
Outstanding		$ 0		$ 0			$ 0		$ 0	$ 0
Vested and exercisable		$ 0					$ 0
Weighted Average Remaining Contractual Term (in years)
Outstanding		8 years 10 months 17 days		9 years 7 months 9 days	9 years 1 month 20 days	9 years 4 months 17 days
Vested and exercisable		8 years 10 months 13 days
2018 Plan
Number of Shares
Outstanding (in shares)							124		150	172
Exercised (in shares)										0
Forfeited or expired (in shares)							(7)		(26)	(22)
Outstanding (in shares)		117	[1]	172			117	[1]	124	150
Vested and exercisable (in shares)		53					53
Weighted Average Exercise Price
Outstanding (in usd per share)							$ 34.17		$ 32.68	$ 32.06
Exercised (in usd per share)										8
Forfeited or expired (in usd per share)							31.57		25.5	27.97
Outstanding (in usd per share)		$ 34.29	[1]	$ 32.06			34.29	[1]	$ 34.17	$ 32.68
Vested and exercisable (in usd per share)		$ 26.91					$ 26.91
Aggregate Intrinsic Value
Outstanding	[1]	$ 8					$ 8
Vested and exercisable		$ 8					$ 8
Weighted Average Remaining Contractual Term (in years)
Outstanding	[1]	4 years 10 months 24 days
Vested and exercisable		5 years 11 months 23 days

[1] Includes 64 and 53 awards accounted for as service-based and market-based options, respectively, that are vested, that the Company currently deems probable of vesting, or in the case of market-based options, that the Company is expensing so long as the respective service conditions are met. The market-based options will vest only if the price of the Company's common stock reaches a $1 billion market capitalization target for any 20 days during a 30-day period on or before February 4, 2026.