Schedule I - Condensed Statement of Balance Sheets (Parent Company) (Details) - USD ($) $ in Thousands |
Mar. 31, 2021 |
Dec. 31, 2020 |
Mar. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
| Assets [Abstract] |
|
|
|
|
|
| Cash and cash equivalents |
$ 404,507
|
$ 92,348
|
$ 112,494
|
$ 67,598
|
$ 75,403
|
| Other assets |
21,260
|
8,129
|
|
1,692
|
|
| Total assets |
866,942
|
267,252
|
|
337,021
|
|
| Liabilities: |
|
|
|
|
|
| Accounts payable and accrued expenses |
18,320
|
30,671
|
|
19,826
|
|
| Accrued salaries and benefits |
10,852
|
3,978
|
|
3,792
|
|
| Notes and securities payable, net of discounts and deferred issuance costs |
|
424,752
|
|
|
|
| Warrants payable |
62,039
|
97,782
|
|
17,672
|
|
| Total liabilities |
278,007
|
432,698
|
|
377,811
|
|
| Convertible Preferred stock (Series Seed A, A-1, B, C, and D), $0.0001 par value; 155,387,025 shares authorized as of December 31, 2020 and 2019; 139,444,346 shares; after reverse capitalization, issued and outstanding as of December 31, 2020 and 2019; aggregate liquidation preference of $470,256 as of December 31, 2020 |
0
|
447,747
|
|
447,747
|
|
| Stockholders' equity |
|
|
|
|
|
| Additional paid-in capital |
1,662,873
|
411,872
|
|
|
|
| Accumulated deficit |
(1,077,399)
|
(1,028,982)
|
|
(891,633)
|
|
| Total stockholders' equity (deficit) |
588,935
|
(613,193)
|
$ (508,941)
|
(488,537)
|
(502,574)
|
| Total liabilities, convertible preferred stock and stockholders' equity |
$ 866,942
|
267,252
|
|
337,021
|
|
| Parent Company [Member] |
|
|
|
|
|
| Assets [Abstract] |
|
|
|
|
|
| Cash and cash equivalents |
|
5,432
|
|
4,569
|
$ 36,033
|
| Other assets |
|
102
|
|
342
|
|
| Intercompany interest receivable |
|
4,958
|
|
3,750
|
|
| Intercompany note receivable |
|
40,000
|
|
40,000
|
|
| Investments in consolidated subsidiaries |
|
77,212
|
|
158,159
|
|
| Total assets |
|
127,704
|
|
206,820
|
|
| Liabilities: |
|
|
|
|
|
| Accounts payable and accrued expenses |
|
13,140
|
|
5,471
|
|
| Accrued salaries and benefits |
|
229
|
|
0
|
|
| Intercompany payable |
|
27,251
|
|
4,093
|
|
| Notes and securities payable, net of discounts and deferred issuance costs |
|
107,674
|
|
76,758
|
|
| Derivative liabilities |
|
44,810
|
|
138,561
|
|
| Warrants payable |
|
97,782
|
|
17,672
|
|
| Total liabilities |
|
290,886
|
|
242,555
|
|
| Convertible Preferred stock (Series Seed A, A-1, B, C, and D), $0.0001 par value; 155,387,025 shares authorized as of December 31, 2020 and 2019; 139,444,346 shares; after reverse capitalization, issued and outstanding as of December 31, 2020 and 2019; aggregate liquidation preference of $470,256 as of December 31, 2020 |
|
447,747
|
|
447,747
|
|
| Stockholders' equity |
|
|
|
|
|
| Common Stock, Value |
|
9
|
|
9
|
|
| Additional paid-in capital |
|
411,843
|
|
403,041
|
|
| Accumulated deficit |
|
(1,022,781)
|
|
(886,532)
|
|
| Total stockholders' equity (deficit) |
|
(610,929)
|
|
(483,482)
|
|
| Total liabilities, convertible preferred stock and stockholders' equity |
|
$ 127,704
|
|
$ 206,820
|
|