Fee and Commission Income/(Expense) (Details) - USD ($)
$ in Thousands |
12 Months Ended |
Mar. 31, 2020 |
Mar. 31, 2019 |
| Fee and commission income |
$ 92,668
|
$ 44,316
|
| Fee and commission expense |
21,936
|
6,238
|
| Brokerage services |
|
|
| Fee and commission income |
82,800
|
36,810
|
| Fee and commission expense |
18,673
|
4,164
|
| Bank services |
|
|
| Fee and commission income |
7,240
|
6,133
|
| Fee and commission expense |
1,299
|
919
|
| Underwriting services |
|
|
| Fee and commission income |
2,360
|
861
|
| Fee and commission expense |
0
|
0
|
| Other commission income |
|
|
| Fee and commission income |
268
|
512
|
| Fee and commission expense |
479
|
280
|
| Central Depository services |
|
|
| Fee and commission income |
0
|
0
|
| Fee and commission expense |
775
|
301
|
| Exchange services |
|
|
| Fee and commission income |
0
|
0
|
| Fee and commission expense |
$ 710
|
$ 574
|