11. Securities Repurchase Agreement Obligation (Details) - USD ($) $ in Thousands |
Jun. 30, 2017 |
Mar. 31, 2017 |
|---|---|---|
| Remaining contractual maturity: overnight and continuous | $ 13,656 | $ 14,484 |
| Remaining contractual maturity: up to 30 days | 55,430 | 40,849 |
| Remaining contractual maturity: 30 - 90 days | 1,747 | 956 |
| Remaining contractual maturity | $ 70,833 | $ 56,289 |
| Corporate debt | ||
| Average interest rate | 12.09% | 11.83% |
| Remaining contractual maturity: overnight and continuous | $ 0 | $ 14,484 |
| Remaining contractual maturity: up to 30 days | 13,968 | 10,923 |
| Remaining contractual maturity: 30 - 90 days | 0 | 0 |
| Remaining contractual maturity | $ 13,968 | $ 25,407 |
| Corporate equity | ||
| Average interest rate | 12.10% | 13.08% |
| Remaining contractual maturity: overnight and continuous | $ 13,656 | $ 0 |
| Remaining contractual maturity: up to 30 days | 41,462 | 29,926 |
| Remaining contractual maturity: 30 - 90 days | 1,747 | 956 |
| Remaining contractual maturity | $ 56,865 | $ 30,882 |