Consolidated Statements of Changes in Mezzanine Equity and Stockholders’ Equity - USD ($)	Total	Series A Convertible Preferred Stock	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Dec. 31, 2022			109,696,178
Beginning balance at Dec. 31, 2022	$ 63,953,000		$ 110,000	$ 757,951,000	$ (693,307,000)	$ (801,000)
Increase (Decrease) in Stockholders' Equity
Issuance of common stock as dividend on convertible preferred stock (in shares)			61,280
Issuance of common stock pursuant to employee stock purchase program	4,215,000		$ 1,000	4,214,000
Stock issued during period, value, stock options exercised (in shares)			563,164
Issuance of common stock pursuant to exercise of stock options	1,450,000			1,450,000
Issuance of common stock pursuant to settlement of restricted stock units (in shares)			3,568,639
Issuance of common stock pursuant to settlement of restricted stock units	0		$ 4,000	(4,000)
Common stock surrendered for employees' tax liability upon settlement or restricted stock units (in shares)			(1,105,291)
Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation	(11,096,000)		$ (1,000)	(11,095,000)
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition	38,786,000			38,786,000
Other Comprehensive Income (Loss), Net of Tax	349,000					349,000
Net Income (Loss)	(88,156,000)				(88,156,000)
Ending balance (in shares) at Jun. 30, 2023			113,934,673
Ending balance at Jun. 30, 2023	$ 9,501,000		$ 114,000	791,302,000	(781,463,000)	(452,000)
Beginning balance (in shares) at Dec. 31, 2022		40,000
Beginning balance at Dec. 31, 2022		$ 39,914,000
Increase (Decrease) in Temporary Equity [Roll Forward]
Temporary Equity, Stock Issued During Period, Value, New Issues		22,000
Ending balance (in shares) at Jun. 30, 2023	40,000
Ending balance at Jun. 30, 2023		$ 39,936,000
Increase (Decrease) in Temporary Equity [Roll Forward]
Issuance of common stock pursuant to employee stock purchase program (in shares)			1,150,703
Beginning balance (in shares) at Mar. 31, 2023			110,526,884
Beginning balance at Mar. 31, 2023	$ 20,664,000		$ 110,000	775,094,000	(754,105,000)	(435,000)
Increase (Decrease) in Stockholders' Equity
Issuance of common stock as dividend on convertible preferred stock (in shares)			30,640
Issuance of common stock pursuant to employee stock purchase program	4,215,000		$ 1,000	4,214,000
Stock issued during period, value, stock options exercised (in shares)			545,127
Issuance of common stock pursuant to exercise of stock options	1,312,000		$ 2,000	1,310,000
Issuance of common stock pursuant to settlement of restricted stock units (in shares)			2,412,813
Issuance of common stock pursuant to settlement of restricted stock units	0		$ 2,000	(2,000)
Common stock surrendered for employees' tax liability upon settlement or restricted stock units (in shares)			(731,494)
Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation	(7,937,000)		$ (1,000)	(7,936,000)
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition	18,622,000			18,622,000
Other Comprehensive Income (Loss), Net of Tax	(17,000)					(17,000)
Net Income (Loss)	(27,358,000)				(27,358,000)
Ending balance (in shares) at Jun. 30, 2023			113,934,673
Ending balance at Jun. 30, 2023	$ 9,501,000		$ 114,000	791,302,000	(781,463,000)	(452,000)
Beginning balance (in shares) at Mar. 31, 2023		40,000
Beginning balance at Mar. 31, 2023		$ 39,925,000
Increase (Decrease) in Temporary Equity [Roll Forward]
Temporary Equity, Stock Issued During Period, Value, New Issues		11,000
Ending balance (in shares) at Jun. 30, 2023	40,000
Ending balance at Jun. 30, 2023		$ 39,936,000
Increase (Decrease) in Temporary Equity [Roll Forward]
Issuance of common stock pursuant to employee stock purchase program (in shares)			1,150,703
Beginning balance (in shares) at Dec. 31, 2023	117,372,171		117,372,171
Beginning balance at Dec. 31, 2023	$ 2,748,000		$ 117,000	826,146,000	(823,333,000)	(182,000)
Increase (Decrease) in Stockholders' Equity
Issuance of common stock as dividend on convertible preferred stock (in shares)	30,640		61,280
Issuance of common stock pursuant to employee stock purchase program	$ 1,974,000		$ 0	1,974,000
Stock issued during period, value, stock options exercised (in shares)	29,548		29,548
Issuance of common stock pursuant to exercise of stock options	$ 185,000			185,000
Issuance of common stock pursuant to settlement of restricted stock units (in shares)			4,030,126
Issuance of common stock pursuant to settlement of restricted stock units	0		$ 5,000	(5,000)
Common stock surrendered for employees' tax liability upon settlement or restricted stock units (in shares)			(135,806)
Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation	(940,000)			(940,000)
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition	37,903,000			37,903,000
Other Comprehensive Income (Loss), Net of Tax	38,000					38,000
Net Income (Loss)	$ (94,654,000)				(94,654,000)
Ending balance (in shares) at Jun. 30, 2024	121,743,620		121,743,620
Ending balance at Jun. 30, 2024	$ (52,746,000)		$ 122,000	865,263,000	(917,987,000)	(144,000)
Beginning balance (in shares) at Dec. 31, 2023	40,000	40,000
Beginning balance at Dec. 31, 2023	$ 39,959,000	$ 39,959,000
Increase (Decrease) in Temporary Equity [Roll Forward]
Temporary Equity, Stock Issued During Period, Value, New Issues		22,000
Ending balance (in shares) at Jun. 30, 2024	40,000
Ending balance at Jun. 30, 2024	$ 39,981,000	$ 39,981,000
Increase (Decrease) in Temporary Equity [Roll Forward]
Issuance of common stock pursuant to employee stock purchase program (in shares)			386,301
Beginning balance (in shares) at Mar. 31, 2024			119,440,241
Beginning balance at Mar. 31, 2024	(45,750,000)		$ 119,000	844,383,000	(890,107,000)	(145,000)
Increase (Decrease) in Stockholders' Equity
Issuance of common stock as dividend on convertible preferred stock (in shares)			30,640
Issuance of common stock pursuant to employee stock purchase program	1,974,000		$ 0	1,974,000
Stock issued during period, value, stock options exercised (in shares)			14,215
Issuance of common stock pursuant to exercise of stock options	91,000			91,000
Issuance of common stock pursuant to settlement of restricted stock units (in shares)			1,930,743
Issuance of common stock pursuant to settlement of restricted stock units	0		$ 3,000	(3,000)
Common stock surrendered for employees' tax liability upon settlement or restricted stock units (in shares)			(58,520)
Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation	(411,000)			(411,000)
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition	19,229,000			19,229,000
Other Comprehensive Income (Loss), Net of Tax	1,000					1,000
Net Income (Loss)	$ (27,880,000)				(27,880,000)
Ending balance (in shares) at Jun. 30, 2024	121,743,620		121,743,620
Ending balance at Jun. 30, 2024	$ (52,746,000)		$ 122,000	$ 865,263,000	$ (917,987,000)	$ (144,000)
Beginning balance (in shares) at Mar. 31, 2024		40,000
Beginning balance at Mar. 31, 2024		$ 39,970,000
Increase (Decrease) in Temporary Equity [Roll Forward]
Temporary Equity, Stock Issued During Period, Value, New Issues		11,000
Ending balance (in shares) at Jun. 30, 2024	40,000
Ending balance at Jun. 30, 2024	$ 39,981,000	$ 39,981,000
Increase (Decrease) in Temporary Equity [Roll Forward]
Issuance of common stock pursuant to employee stock purchase program (in shares)			386,301