Trading Securities (Details) - USD ($) $ in Thousands |
Sep. 30, 2018 |
Mar. 31, 2018 |
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|---|---|---|---|---|
| Trading securities | $ 148,407 | |||
| (Recast) | ||||
| Trading securities | [1] | $ 212,595 | ||
| Equity securities | ||||
| Trading securities | 109,552 | |||
| Equity securities | (Recast) | ||||
| Trading securities | 177,339 | |||
| Debt securities | ||||
| Trading securities | 38,610 | |||
| Debt securities | (Recast) | ||||
| Trading securities | 34,986 | |||
| Mutual investment funds | ||||
| Trading securities | $ 245 | |||
| Mutual investment funds | (Recast) | ||||
| Trading securities | $ 270 | |||
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- Definition Amount of investment in marketable security. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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