Share Based Compensation - Restricted Shares Activity (Details) - $ / shares
|
12 Months Ended |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
| Equity award - restricted shares |
|
|
|
| Numbers of Shares |
|
|
|
| Beginning balance (in shares) |
2,805,557
|
9,450,348
|
16,121,181
|
| Granted (in shares) |
512,782
|
0
|
0
|
| Reclassified from liability classified restricted shares (in shares) |
|
26,042
|
|
| Vested (in shares) |
(2,805,557)
|
(6,670,833)
|
(6,670,833)
|
| Ending balance (in shares) |
512,782
|
2,805,557
|
9,450,348
|
| Weighted-average Grant Date Fair Value |
|
|
|
| Beginning balance (in dollars per share) |
$ 0.02
|
$ 0.02
|
$ 0.02
|
| Granted (in dollars per share) |
10.16
|
0
|
0
|
| Reclassified from liability classified restricted shares (in dollars per share) |
|
0.02
|
|
| Vested (in dollars per share) |
0.02
|
0.02
|
0.02
|
| Ending balance (in dollars per share) |
$ 10.16
|
$ 0.02
|
$ 0.02
|
| Liability award – restricted shares |
|
|
|
| Numbers of Shares |
|
|
|
| Beginning balance (in shares) |
0
|
88,542
|
151,042
|
| Granted (in shares) |
|
0
|
0
|
| Reclassified to equity classified restricted shares (in shares) |
|
(26,042)
|
|
| Vested (in shares) |
|
(62,500)
|
(62,500)
|
| Ending balance (in shares) |
0
|
0
|
88,542
|
| Weighted-average Grant Date Fair Value |
|
|
|
| Beginning balance (in dollars per share) |
|
$ 0.02
|
$ 0.02
|
| Granted (in dollars per share) |
|
0
|
0
|
| Reclassified to equity classified restricted shares (in dollars per share) |
|
0.02
|
|
| Vested (in dollars per share) |
|
0.02
|
0.02
|
| Ending balance (in dollars per share) |
|
|
$ 0.02
|
| Restricted Stock Units (RSUs) |
|
|
|
| Numbers of Shares |
|
|
|
| Beginning balance (in shares) |
0
|
|
|
| Granted (in shares) |
|
263,621
|
|
| Vested (in shares) |
|
0
|
|
| Ending balance (in shares) |
263,621
|
0
|
|
| Weighted-average Grant Date Fair Value |
|
|
|
| Beginning balance (in dollars per share) |
$ 0
|
|
|
| Granted (in dollars per share) |
|
$ 10.30
|
|
| Vested (in dollars per share) |
|
0
|
|
| Ending balance (in dollars per share) |
$ 10.30
|
$ 0
|
|