Summary of Significant Accounting Policies - Schedule of Error Corrections and Prior Period Adjustments (Detail) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended |
9 Months Ended |
|
|
|
|
Sep. 30, 2021 |
Sep. 30, 2020 |
Sep. 30, 2021 |
Sep. 30, 2020 |
Jun. 30, 2021 |
Dec. 31, 2020 |
Jun. 30, 2020 |
Dec. 31, 2019 |
Condensed Consolidated Balance Sheet: |
|
|
|
|
|
|
|
|
|
Contingent earnout liability |
|
$ 80,417
|
|
$ 80,417
|
|
|
$ 0
|
|
|
Total liabilities |
|
203,560
|
|
203,560
|
|
|
93,158
|
|
|
Additional paid-in capital |
|
413,993
|
|
413,993
|
|
|
10,131
|
|
|
Accumulated deficit |
|
(313,814)
|
|
(313,814)
|
|
|
(100,003)
|
|
|
Total stockholders' equity |
|
100,003
|
$ (39,508)
|
100,003
|
$ (39,508)
|
$ (80,699)
|
(48,736)
|
$ (32,325)
|
$ (18,655)
|
Total liabilities and stockholders' equity |
|
303,563
|
|
303,563
|
|
|
44,422
|
|
|
Condensed Consolidated Statements of Operations: |
|
|
|
|
|
|
|
|
|
Change in fair value of contingent earnout liability |
|
(22,142)
|
0
|
(22,142)
|
0
|
|
|
|
|
Total other income (expense), net |
|
(38,467)
|
(886)
|
(57,907)
|
(4,253)
|
|
|
|
|
Loss before income taxes |
|
(55,839)
|
(7,429)
|
(101,699)
|
(22,040)
|
|
|
|
|
Net loss |
|
$ (56,108)
|
$ (7,624)
|
$ (102,668)
|
$ (22,340)
|
|
|
|
|
Earnings Per Share, Basic |
|
$ (0.83)
|
$ (0.43)
|
$ (2.75)
|
$ (1.27)
|
|
|
|
|
Earnings Per Share, Diluted |
|
$ (0.83)
|
$ (0.43)
|
$ (2.75)
|
$ (1.27)
|
|
|
|
|
Condensed Consolidated Statements of Comprehensive Loss: |
|
|
|
|
|
|
|
|
|
Net loss |
|
$ (56,108)
|
$ (7,624)
|
$ (102,668)
|
$ (22,340)
|
|
|
|
|
Comprehensive loss |
|
(55,784)
|
(7,718)
|
(101,877)
|
(22,310)
|
|
|
|
|
Condensed Consolidated Statements of Changes in Stockholders Equity (Deficit) [Abstract] |
|
|
|
|
|
|
|
|
|
Contingent earnout liability upon closing of the merger |
|
(58,274)
|
|
(58,274)
|
|
|
|
|
|
Ending balance |
|
100,003
|
(39,508)
|
100,003
|
(39,508)
|
|
|
|
|
Additional paid-in capital |
|
413,993
|
|
413,993
|
|
|
10,131
|
|
|
Condensed Consolidated Statements of Cash Flows: |
|
|
|
|
|
|
|
|
|
Net loss |
|
(56,108)
|
(7,624)
|
(102,668)
|
(22,340)
|
|
|
|
|
Change in fair value of contingent earnout liability |
|
22,142
|
0
|
22,142
|
0
|
|
|
|
|
Net cash used in operating activities |
|
|
|
(40,008)
|
(8,420)
|
|
|
|
|
Noncash financing activities |
|
|
|
|
|
|
|
|
|
Contingent earnout liability recognized upon the closing of the reverse recapitalization |
|
|
|
58,274
|
|
|
|
|
|
Additional Paid-in Capital [Member] |
|
|
|
|
|
|
|
|
|
Condensed Consolidated Balance Sheet: |
|
|
|
|
|
|
|
|
|
Total stockholders' equity |
|
413,993
|
8,811
|
413,993
|
8,811
|
23,370
|
10,131
|
8,276
|
7,354
|
Condensed Consolidated Statements of Changes in Stockholders Equity (Deficit) [Abstract] |
|
|
|
|
|
|
|
|
|
Contingent earnout liability upon closing of the merger |
|
(58,274)
|
|
(58,274)
|
|
|
|
|
|
Ending balance |
|
413,993
|
8,811
|
413,993
|
8,811
|
|
|
|
|
Accumulated Deficit [Member] |
|
|
|
|
|
|
|
|
|
Condensed Consolidated Balance Sheet: |
|
|
|
|
|
|
|
|
|
Total stockholders' equity |
|
(313,814)
|
(200,982)
|
(313,814)
|
(200,982)
|
$ (257,706)
|
$ (211,146)
|
$ (193,358)
|
$ (178,642)
|
Condensed Consolidated Statements of Operations: |
|
|
|
|
|
|
|
|
|
Net loss |
|
(56,108)
|
(7,624)
|
(102,668)
|
(22,340)
|
|
|
|
|
Condensed Consolidated Statements of Comprehensive Loss: |
|
|
|
|
|
|
|
|
|
Net loss |
|
(56,108)
|
(7,624)
|
(102,668)
|
(22,340)
|
|
|
|
|
Condensed Consolidated Statements of Changes in Stockholders Equity (Deficit) [Abstract] |
|
|
|
|
|
|
|
|
|
Ending balance |
|
(313,814)
|
(200,982)
|
(313,814)
|
(200,982)
|
|
|
|
|
Condensed Consolidated Statements of Cash Flows: |
|
|
|
|
|
|
|
|
|
Net loss |
|
(56,108)
|
$ (7,624)
|
(102,668)
|
$ (22,340)
|
|
|
|
|
Previously Reported [Member] |
|
|
|
|
|
|
|
|
|
Condensed Consolidated Balance Sheet: |
|
|
|
|
|
|
|
|
|
Contingent earnout liability |
|
77,131
|
|
77,131
|
|
|
|
|
|
Total liabilities |
|
200,274
|
|
200,274
|
|
|
|
|
|
Additional paid-in capital |
|
393,872
|
|
393,872
|
|
|
|
|
|
Accumulated deficit |
|
(290,407)
|
|
(290,407)
|
|
|
|
|
|
Total stockholders' equity |
|
103,289
|
|
103,289
|
|
|
|
|
|
Total liabilities and stockholders' equity |
|
303,563
|
|
303,563
|
|
|
|
|
|
Condensed Consolidated Statements of Operations: |
|
|
|
|
|
|
|
|
|
Change in fair value of contingent earnout liability |
|
1,265
|
|
1,265
|
|
|
|
|
|
Total other income (expense), net |
[1] |
(15,060)
|
|
(34,500)
|
|
|
|
|
|
Loss before income taxes |
|
(32,432)
|
|
(78,292)
|
|
|
|
|
|
Net loss |
|
$ (32,701)
|
|
$ (79,261)
|
|
|
|
|
|
Earnings Per Share, Basic |
|
$ (0.49)
|
|
$ (2.12)
|
|
|
|
|
|
Earnings Per Share, Diluted |
|
$ (0.49)
|
|
$ (2.12)
|
|
|
|
|
|
Condensed Consolidated Statements of Comprehensive Loss: |
|
|
|
|
|
|
|
|
|
Net loss |
|
$ (32,701)
|
|
$ (79,261)
|
|
|
|
|
|
Comprehensive loss |
|
(32,377)
|
|
(78,470)
|
|
|
|
|
|
Condensed Consolidated Statements of Changes in Stockholders Equity (Deficit) [Abstract] |
|
|
|
|
|
|
|
|
|
Contingent earnout liability upon closing of the merger |
|
|
|
(78,395)
|
|
|
|
|
|
Ending balance |
|
103,289
|
|
103,289
|
|
|
|
|
|
Additional paid-in capital |
|
393,872
|
|
393,872
|
|
|
|
|
|
Condensed Consolidated Statements of Cash Flows: |
|
|
|
|
|
|
|
|
|
Net loss |
|
(32,701)
|
|
(79,261)
|
|
|
|
|
|
Change in fair value of contingent earnout liability |
|
(1,265)
|
|
(1,265)
|
|
|
|
|
|
Net cash used in operating activities |
|
|
|
(40,008)
|
|
|
|
|
|
Noncash financing activities |
|
|
|
|
|
|
|
|
|
Contingent earnout liability recognized upon the closing of the reverse recapitalization |
|
|
|
78,395
|
|
|
|
|
|
Previously Reported [Member] | Additional Paid-in Capital [Member] |
|
|
|
|
|
|
|
|
|
Condensed Consolidated Balance Sheet: |
|
|
|
|
|
|
|
|
|
Additional paid-in capital |
|
393,872
|
|
393,872
|
|
|
|
|
|
Condensed Consolidated Statements of Changes in Stockholders Equity (Deficit) [Abstract] |
|
|
|
|
|
|
|
|
|
Additional paid-in capital |
|
393,872
|
|
393,872
|
|
|
|
|
|
Previously Reported [Member] | Accumulated Deficit [Member] |
|
|
|
|
|
|
|
|
|
Condensed Consolidated Balance Sheet: |
|
|
|
|
|
|
|
|
|
Total stockholders' equity |
|
(290,407)
|
|
(290,407)
|
|
|
|
|
|
Condensed Consolidated Statements of Changes in Stockholders Equity (Deficit) [Abstract] |
|
|
|
|
|
|
|
|
|
Ending balance |
|
(290,407)
|
|
(290,407)
|
|
|
|
|
|
Revision of Prior Period, Error Correction, Adjustment [Member] |
|
|
|
|
|
|
|
|
|
Condensed Consolidated Balance Sheet: |
|
|
|
|
|
|
|
|
|
Contingent earnout liability |
|
3,286
|
|
3,286
|
|
|
|
|
|
Total liabilities |
|
3,286
|
|
3,286
|
|
|
|
|
|
Additional paid-in capital |
|
20,121
|
|
20,121
|
|
|
|
|
|
Accumulated deficit |
|
(23,407)
|
|
(23,407)
|
|
|
|
|
|
Total stockholders' equity |
|
(3,286)
|
|
(3,286)
|
|
|
|
|
|
Total liabilities and stockholders' equity |
|
0
|
|
0
|
|
|
|
|
|
Condensed Consolidated Statements of Operations: |
|
|
|
|
|
|
|
|
|
Change in fair value of contingent earnout liability |
|
(23,407)
|
|
(23,407)
|
|
|
|
|
|
Total other income (expense), net |
[1] |
(23,407)
|
|
(23,407)
|
|
|
|
|
|
Loss before income taxes |
|
(23,407)
|
|
(23,407)
|
|
|
|
|
|
Net loss |
|
$ (23,407)
|
|
$ (23,407)
|
|
|
|
|
|
Earnings Per Share, Basic |
|
$ (0.34)
|
|
$ (0.63)
|
|
|
|
|
|
Earnings Per Share, Diluted |
|
$ (0.34)
|
|
$ (0.63)
|
|
|
|
|
|
Condensed Consolidated Statements of Comprehensive Loss: |
|
|
|
|
|
|
|
|
|
Net loss |
|
$ (23,407)
|
|
$ (23,407)
|
|
|
|
|
|
Comprehensive loss |
|
(23,407)
|
|
(23,407)
|
|
|
|
|
|
Condensed Consolidated Statements of Changes in Stockholders Equity (Deficit) [Abstract] |
|
|
|
|
|
|
|
|
|
Contingent earnout liability upon closing of the merger |
|
|
|
20,121
|
|
|
|
|
|
Ending balance |
|
(3,286)
|
|
(3,286)
|
|
|
|
|
|
Additional paid-in capital |
|
20,121
|
|
20,121
|
|
|
|
|
|
Condensed Consolidated Statements of Cash Flows: |
|
|
|
|
|
|
|
|
|
Net loss |
|
(23,407)
|
|
(23,407)
|
|
|
|
|
|
Change in fair value of contingent earnout liability |
|
23,407
|
|
23,407
|
|
|
|
|
|
Net cash used in operating activities |
|
|
|
0
|
|
|
|
|
|
Noncash financing activities |
|
|
|
|
|
|
|
|
|
Contingent earnout liability recognized upon the closing of the reverse recapitalization |
|
|
|
(20,121)
|
|
|
|
|
|
Revision of Prior Period, Error Correction, Adjustment [Member] | Additional Paid-in Capital [Member] |
|
|
|
|
|
|
|
|
|
Condensed Consolidated Balance Sheet: |
|
|
|
|
|
|
|
|
|
Additional paid-in capital |
|
20,121
|
|
20,121
|
|
|
|
|
|
Condensed Consolidated Statements of Changes in Stockholders Equity (Deficit) [Abstract] |
|
|
|
|
|
|
|
|
|
Additional paid-in capital |
|
20,121
|
|
20,121
|
|
|
|
|
|
Revision of Prior Period, Error Correction, Adjustment [Member] | Accumulated Deficit [Member] |
|
|
|
|
|
|
|
|
|
Condensed Consolidated Balance Sheet: |
|
|
|
|
|
|
|
|
|
Total stockholders' equity |
|
(23,407)
|
|
(23,407)
|
|
|
|
|
|
Condensed Consolidated Statements of Changes in Stockholders Equity (Deficit) [Abstract] |
|
|
|
|
|
|
|
|
|
Ending balance |
|
(23,407)
|
|
(23,407)
|
|
|
|
|
|
Restated [Member] |
|
|
|
|
|
|
|
|
|
Condensed Consolidated Balance Sheet: |
|
|
|
|
|
|
|
|
|
Contingent earnout liability |
|
80,417
|
|
80,417
|
|
|
|
|
|
Total liabilities |
|
203,560
|
|
203,560
|
|
|
|
|
|
Additional paid-in capital |
|
413,993
|
|
413,993
|
|
|
|
|
|
Accumulated deficit |
|
(313,814)
|
|
(313,814)
|
|
|
|
|
|
Total stockholders' equity |
|
100,003
|
|
100,003
|
|
|
|
|
|
Total liabilities and stockholders' equity |
|
303,563
|
|
303,563
|
|
|
|
|
|
Condensed Consolidated Statements of Operations: |
|
|
|
|
|
|
|
|
|
Change in fair value of contingent earnout liability |
|
(22,142)
|
|
(22,142)
|
|
|
|
|
|
Total other income (expense), net |
[1] |
(38,467)
|
|
(57,907)
|
|
|
|
|
|
Loss before income taxes |
|
(55,839)
|
|
(101,699)
|
|
|
|
|
|
Net loss |
|
$ (56,108)
|
|
$ (102,668)
|
|
|
|
|
|
Earnings Per Share, Basic |
|
$ (0.83)
|
|
$ (2.75)
|
|
|
|
|
|
Earnings Per Share, Diluted |
|
$ (0.83)
|
|
$ (2.75)
|
|
|
|
|
|
Condensed Consolidated Statements of Comprehensive Loss: |
|
|
|
|
|
|
|
|
|
Net loss |
|
$ (56,108)
|
|
$ (102,668)
|
|
|
|
|
|
Comprehensive loss |
|
(55,784)
|
|
(101,877)
|
|
|
|
|
|
Condensed Consolidated Statements of Changes in Stockholders Equity (Deficit) [Abstract] |
|
|
|
|
|
|
|
|
|
Contingent earnout liability upon closing of the merger |
|
|
|
(58,274)
|
|
|
|
|
|
Ending balance |
|
100,003
|
|
100,003
|
|
|
|
|
|
Additional paid-in capital |
|
413,993
|
|
413,993
|
|
|
|
|
|
Condensed Consolidated Statements of Cash Flows: |
|
|
|
|
|
|
|
|
|
Net loss |
|
(56,108)
|
|
(102,668)
|
|
|
|
|
|
Change in fair value of contingent earnout liability |
|
22,142
|
|
22,142
|
|
|
|
|
|
Net cash used in operating activities |
|
|
|
(40,008)
|
|
|
|
|
|
Noncash financing activities |
|
|
|
|
|
|
|
|
|
Contingent earnout liability recognized upon the closing of the reverse recapitalization |
|
|
|
58,274
|
|
|
|
|
|
Restated [Member] | Additional Paid-in Capital [Member] |
|
|
|
|
|
|
|
|
|
Condensed Consolidated Balance Sheet: |
|
|
|
|
|
|
|
|
|
Additional paid-in capital |
|
413,993
|
|
413,993
|
|
|
|
|
|
Condensed Consolidated Statements of Changes in Stockholders Equity (Deficit) [Abstract] |
|
|
|
|
|
|
|
|
|
Additional paid-in capital |
|
413,993
|
|
413,993
|
|
|
|
|
|
Restated [Member] | Accumulated Deficit [Member] |
|
|
|
|
|
|
|
|
|
Condensed Consolidated Balance Sheet: |
|
|
|
|
|
|
|
|
|
Total stockholders' equity |
|
(313,814)
|
|
(313,814)
|
|
|
|
|
|
Condensed Consolidated Statements of Changes in Stockholders Equity (Deficit) [Abstract] |
|
|
|
|
|
|
|
|
|
Ending balance |
|
$ (313,814)
|
|
$ (313,814)
|
|
|
|
|
|
|
|